51results about How to "Retain physiological activity" patented technology

The invention relates to a fermented black garlic powder production method, which comprises the different drying and crushing processes to prepare the fermented black garlic powder. The fermented black garlic powder can be a raw material of capsule, soft capsule, tablet and oral liquid, and also can be a stuffing material of sweet dumplings, moon cakes and dumplings, or can be an auxiliary material of ham sausages, beverages and vinegar. The fermented black garlic powder completely keeps the physiological activity of the fermented black garlic.

The invention provides red and black fructus lycii lozenges and a preparation method thereof. The red and black fructus lycii lozenges comprise ingredients as follows: black fructus lycii and red fructus lycii extracts, alpha hydroxy acid, baking soda, filler, a stabilizer and an adhesive, wherein the black fructus lycii and red fructus lycii extracts are obtained after low-temperature cell wall breaking treatment. The red and black fructus lycii lozenges have rich nutrition, are convenient to take and have a certain health-care function and good stability, and the product quality is easily controlled.

The invention relates to a waste treatment method, in particular to a method for simultaneously extracting polysaccharide and flavone from phellinus igniarius sporophore cultivation waste. The method includes the steps: drying the phellinus igniarius sporophore cultivation waste, crushing the dried phellinus igniarius sporophore cultivation waste to obtain dry phellinus igniarius sporophore cultivation waste powder, and mixing the day powder and alkaline ethanol solution; ultrasonically treating the mixed solution for 20-40 minutes, and filtering to obtain filter solution and residues; adding deionized water into the residues, uniformly mixing, adjusting a pH (potential of hydrogen) value to be 4-6 to obtain mixed solution, adding compound enzyme, performing enzymolysis at the temperature ranging from 45 DEG C to 55 DEG C, and centrifuging the enzymolysis solution to obtain supernatant solution and sediments; rotatably evaporating filter solution to remove ethyl alcohol, adding ethyl acetate, extracting, separating solution, and performing pressure reduction, concentration and drying for upper layer solution to obtain phellinus igniarius sporophore flavone; performing pressure reduction and concentration for the obtained supernatant solution by the aid of a rotary evaporator, and performing alcohol precipitation and centrifugation to obtain supernatant solution and sediments. The sediments are phellinus igniarius sporophore polysaccharide.

The invention relates to a process for quickly breaking cell walls of Chinese wolfberry seeds and extracting seed oil. The process comprises the following steps of: (1) breaking the cell walls of the Chinese wolfberry seeds: crushing the cleaned and dried Chinese wolfberry seeds and filling into an extraction kettle; introducing CO2 into the extraction kettle; raising the pressure in the extraction kettle to the pressure of between 40 and 45MPa at normal temperature and keeping for 10 to 15 minutes; closing air inlet valves at the two ends of the extraction kettle; and reducing the pressure in the extraction kettle to atmospheric pressure in 1 to 5 minutes to obtain the wall-broken Chinese wolfberry seeds; and (2) filling the wall-broken Chinese wolfberry seeds obtained in the step (1) inthe extraction kettle; introducing the CO2 at the same time; extracting under a supercritical condition for 60 to 70 minutes; and performing two-stage separation under reduced pressure to obtain the Chinese wolfberry seed oil. The process is simple and environmentally-friendly and is low in cost; the extraction time can be greatly shortened, so the oil yield reaches the maximum value in a shortest time; and the process can be widely applied to advanced development and production preparation of various functional unsaturated fatty acid medicaments and health foods thereof.

The invention discloses a crocodile blood nano microcapsule and a preparation method thereof. The crocodile blood nano microcapsule is prepared by the following method: treating fresh crocodile blood with an anticoagulant, then carrying out high-pressure homogenizing emulsification, and thus obtaining a crocodile blood nano homogenized emulsified liquid with the particle size of 30-100 nm; under stirring, adding ethanol, carrying out preliminary dehydration condensation curing; then under stirring, adding a carboxymethyl pachymaran aqueous solution, and carrying out simple coacervation; still under stirring, continuing to add a chitosan citric acid solution, carrying out complex coacervation, adding ethanol at a second time, and carrying out dehydration treatment; and finally, carrying out spray freeze drying, and thus obtaining the crocodile blood nano microcapsule. The crocodile blood nano microcapsule has no crocodile blood smell, not only maximize retention of a physiological activity, but also can perform targeted controlled release, and achieves targeted nutrition, health-care and food therapy effects; and the crocodile blood nano microcapsule not only is convenient to store and transport, but also can be widely applied in various fields. The preparation method has the advantages of simple process, and easy industrialization production.

The invention belongs to the technical field of comprehensive utilization of a biomass resource and relates to a preparation method of highly active biological humic acid. The method comprises pretreating forestry and agricultural residues, separating a hemicellulose liquid and a lignin stock solution, wherein the pretreatment step can produce light straw ash, preparing biomass sludge, preparing lignin, preparing a microbial starter diluent, uniformly mixing the biomass sludge, light straw ash and lignin, spraying the mixture with the microbial starter diluent, and carrying out fermentation to obtain highly active biological humic acid. The preparation method adopts the light straw ash, biomass sludge and lignin as raw materials produced in the process of high efficiency and comprehensive utilization of agricultural and forestry waste resources. The biological humic acid has high activity, can improve the efficiency of fertilizer and improve the soil, and can achieve the following indicators of fulvic acid content greater than or equal to 18%, functional bacterium content greater than or equal to 1.5*10<8> / g and moisture content less than or equal to 15% after low temperature drying. The functional bacteria are transformed into spores and can be preserved in a sealed environment for several months.

The invention discloses a method of extracting polysaccharide from pitaya pericarp, in particular a method of extracting polysaccharide from pitaya pericarp by means of ultrasonic waves. The method comprises the specific steps: raw material treatment, ultrasonic extraction, ultrafiltration membrane interception and concentration, freezing and drying and the like. The extraction rate of polysaccharide from pitaya pericarp is improved greatly by means of an ultrasonic extraction method, and meanwhile, the separation process of polysaccharide of pitaya pericarp is free of pollution, solvent residues and phase change by means of a membrane separation technology. The extraction method is simple to operate and convenient to control and has a relatively high pitaya polysaccharide extraction efficiency. By combining the ultrasonic extraction and membrane separation technologies organically, the extracted polysaccharide of pitaya pericarp is free of any organic solvents, the physiological activity of polysaccharide in the pitaya pericarp is kept to the maximum extent, the product is relatively good in quality, and the method can be widely applied to the field of food processing and medicines.

The invention relates to compound nutritious food with antineoplastic and immunity enhancement functions and a production method for the compound nutritious food with the antineoplastic and immunity enhancement functions, belonging to the field of nutritious food processing. The compound nutritious food is prepared by means of taking soft-shelled turtle, lucid ganoderma, agaricus blazei murill, white fungus, lentinula edodes, hericium erinaceus, maize germ, lemon and red dates as raw materials, and being subjected to ultralow-temperature freezing, crushing, temperature / phase-conversion composite extraction, separation, purification and sterilization. The compound nutritious food has an excellent palatability and special nutrition effects, contains functional components, such as vitamins, mineral substances, edible fungi active polysaccharides and polyunsaturated fatty acids, and has the effects for improving immunity and resisting tumor. The compound nutritious food is especially suitable for recovery of postoperative cancer patients and chemoradiotherapy patients. According to the compound nutritious food with the antineoplastic and immunity enhancement functions and the production method for the compound nutritious food with the antineoplastic and immunity enhancement functions, a soft-shelled turtle full-utilization technology is adopted, edible mushrooms and the maize germ are taken as raw materials, no waste materials are produced in the production process, the utilization rate of the raw materials is high, the compound nutritious food contains no additives, such as essences, pigments, preservatives and stabilizers, toxic and side effects are prevented, and the edible safety is guaranteed.

Disclosed is a method for simultaneously preparing high maltose syrup and protein using potatoes. The method comprises the following steps that 1, raw materials are selected and pretreated; 2, dicing, pulping and smashing are conducted, and slurry and slag are separated; 3, after being standardized, the slurry is subjected to injection liquefaction and thermal insulation reaction; 4, clear liquid filtered by a plate frame is used for preparing raw materials of the high maltose syrup, and refining is conducted on filtration cakes filtered by the plate frame to obtain the potato protein, wherein physicochemical test results of the potato protein prepared and obtained in the step 4 are that the protein content is greater than 70%, the fat content is less than 5%, and the ash content is less than 5%; the technical indexes of the high maltose syrup are that the concentration is 70%-75%, the maltose content (for dry matter) is 70%-80%, and the DE value is 45%-55%. According to the method for simultaneously preparing the high maltose syrup and the protein using the potatoes, the characteristics of components of the potatoes are analyzed, a comprehensive utilization method is adopted, so that the high maltose syrup is obtained, the potato protein can be recovered and obtained synchronously, the protein activity in the process is maintained to maximum limit, and the maximum utilization of resources is promoted.

The invention relates to the technical field of polypeptide, in particular to a method for preparing antioxidant tripeptide from rice polypeptide and application. The antioxidant peptide provided by the invention and prepared from the rice polypeptide contains three kinds of tripeptides including Ser-Ile-Arg, Ser-Leu-Arg and Val-Pro-Arg. During the preparation of the antioxidant tripeptide, enzymolysis, cellulose glass column purification and dextran gel column purification are sequentially performed; the antioxidant tripeptide can resist the gastro-intestinal digestion; the ORAC (Oxygen Radical Absorption Capacity) is high; the result shows that the antioxidant tripeptide has high anti-oxidization activity. The preparation method of the polypeptide is simple; a harmful reagent is not needed; the obtained product is safer.

The invention discloses a method for simultaneously extracting polysaccharides and flavonoids from mulberry leaves. According to the method, little equipment is adopted, the reaction condition is gentle, the cost is low, the production is safe and reliable, the product purity is high, the yield is high, and the physiological and the pharmacological activity of the polysaccharides and the flavonoids from the mulberry leaves can be kept relatively well, so that the application value is relatively great,. The polysaccharides, the flavonoids, sorbitol, beta-carotene, disodium pyrophosphate and the like extracted from the mulberry leaves are combined as feed additives, so that the diameters of pork muscle fibers are reduced, the density of muscle fibers is increased, and pork is relatively tender. The inhibition effect on mildew in the feed is strong, the feed mildew condition can be reduced, and the nutrient substances in the feed are protected from being damaged.

The invention discloses a method for extracting and separating procyanidine of hawthorn fruit through low-temperature aqueous two-phase cooling. The method comprises steps as follows: after fresh hawthorn fruit is washed, 30-70 mL of citric acid solutions, 30-70 mL of sodium chloride solutions and 30-70 mL of isopropyl alcohol are added to every 10 g of hawthorn fruit, the mixture is cooled to subzero 18 DEG C in a freezer, taken out and subjected to homogenization treatment for three times by a homogenizer, homogenization treatment is performed for 1-3 min every time, a product is left to stand for 5-15 min, an isopropyl alcohol top phase is separated after complete phase separation, obtained isopropyl alcohol is collected, subjected to vacuum distillation through a rotary evaporator and removed through evaporation, 1-4 ml of ethanol is added, solids are precipitated, the obtained solids are subjected to vacuum drying at the temperature of 20-35 DEG C until the solids are dried, and a procyanidine extract of the hawthorn fruit is obtained. By means of the method, the variety of reagents is reduced, and non-toxic, degradable, green and environment-friendly properties are realized; a homogenizing technology is introduced to the extraction process, mass transfer is effectively improved, the extraction time is greatly shortened, and the purity of the obtained procyanidine of the hawthorn fruit is higher.

The invention provides anisodamine and a purification process thereof, and relates to the technical field of medicines. The purification process of anisodamine comprises the following steps: adding a compound enzyme solution with a concentration of 0.05-0.15 wt% into radix physochlainae for enzymolysis treatment, and then filtering and separating to obtain an Anisodus tanguticus extract and primary filtrate; adding ethanol I into the primary filtrate for primary extraction to obtain extract liquid; carrying out reduced pressure distillation on the extract liquid to obtain a crude extract liquid; adding ethanol I into a mixture of the crude extract liquid and the Anisodus tanguticus extract for secondary extraction and filtration to obtain secondary filtrate; and carrying out reduced pressure distillation on the secondary filtrate at the temperature of 50-60 DEG C until no ethanol exists to obtain purified anisodamine. By means of the operation, the anisodamine is purified, and the physiological activity of the anisodamine can be reserved to the maximum extent. On the other hand, the invention also provides the anisodamine which is prepared by the purification process of the anisodamine. The anisodamine is relatively high in purity, relatively excellent in physiological activity and relatively good in stability.

The invention relates to a vaccinium bracteatum leaf pigment extraction process, which comprises: cleaning vaccinium bracteatum leaves with water, carrying out mechanical crushing, adopting water as an extraction solvent, adopting an ultrasound-microwave assisted extraction technology to extract, carrying out freezing centrifugation on the extraction solution, removing the precipitate, taking the supernatant, carrying out micro-filtration purification with a ceramic membrane, concentrating the supernatant, and carrying out freeze-drying on the concentrated solution to prepare the vaccinium bracteatum leaf pigment. According to the present invention, with the method, the yield and the purity of the vaccinium bracteatum leaf pigment can be substantially increased; the extracted vaccinium bracteatum leaf pigment has characteristics of good safety and strong biological activity; and the extraction process has characteristics of simpleness, short time, low energy consumption, low cost, high efficiency and green production, and is suitable for industrial production.

The present invention provides a temperature-sensitive composition for treating periodontal diseases. The temperature-sensitive composition is prepared from an aqueous medium, sodium carboxymethyl cellulose, a therapeutically effective amount of polylysine-modified hyaluronic acid or a pharmaceutically acceptable salt thereof, and a temperature-sensitive material, namely bydroxylpropyl chitin in which the degree of substitution of hydroxypropyl for chitin is 1.0 to 1.5, wherein the amount of the sodium carboxymethyl cellulose in the temperature-sensitive composition is enough to enable the temperature-sensitive composition to have the viscosity of 10 Pa*s to 40 Pa*s at the room temperature. The temperature-sensitive composition is in a viscous solution state before being applied to the interior of the oral cavity, can quickly form a gel state when being applied to the interior of the oral cavity, and can adhere to an application site well, so that the action time of the active component, namely the polylysine-modified hyaluronic acid, in gel on an affected part is prolonged, and the treatment effect is further improved; and meanwhile, the active component, namely the polylysine-modified hyaluronic acid, in the temperature-sensitive composition has the antibacterial property while the physiological activity of the hyaluronic acid is retained.

The invention relates to a process for extracting and separating moringa oleifera flavones and saponin from moringa oleifera leaves. The process is characterized by comprising the steps of drying moringa oleifera leaves, smashing, placing the smashed moringa oleifera leaves into a filter basket, placing the filter basket into an extraction kettle, and sealing the extraction kettle; adding an organic extracting agent, and recovering a solvent at reduced pressure to obtain a black green extract; then, respectively and sequentially adding ethyl acetate and n-butyl alcohol, carrying out water extraction, centrifuging, extracting supernatant liquid, mixing the supernatant liquid of ethyl acetate and the supernatant liquid of n-butyl alcohol, carrying out vacuum concentration, drying to obtain a brown yellow extract, placing a proper amount of extract on a silica gel column, eluting, detecting, concentrating an eluent with relatively high flavone content to form dry powder, and re-crystallizing; and taking out water to dissolve out the supernatant liquid, carrying out vacuum concentration to obtain an extract, placing a proper amount of extract on the silica gel column, eluting, detecting, carrying out dilution crystallization by using ethyl acetate, and re-crystallizing by using ethanol and methanol to obtain a high-purity saponin product.

The invention relates to a process for quickly breaking cell walls of Chinese wolfberry seeds and extracting seed oil. The process comprises the following steps of: (1) breaking the cell walls of the Chinese wolfberry seeds: crushing the cleaned and dried Chinese wolfberry seeds and filling into an extraction kettle; introducing CO2 into the extraction kettle; raising the pressure in the extraction kettle to the pressure of between 40 and 45MPa at normal temperature and keeping for 10 to 15 minutes; closing air inlet valves at the two ends of the extraction kettle; and reducing the pressure in the extraction kettle to atmospheric pressure in 1 to 5 minutes to obtain the wall-broken Chinese wolfberry seeds; and (2) filling the wall-broken Chinese wolfberry seeds obtained in the step (1) inthe extraction kettle; introducing the CO2 at the same time; extracting under a supercritical condition for 60 to 70 minutes; and performing two-stage separation under reduced pressure to obtain the Chinese wolfberry seed oil. The process is simple and environmentally-friendly and is low in cost; the extraction time can be greatly shortened, so the oil yield reaches the maximum value in a shortest time; and the process can be widely applied to advanced development and production preparation of various functional unsaturated fatty acid medicaments and health foods thereof.

The invention discloses a carboxymethyl crack pleat polysaccharide preparation method and its application in cosmetic and antineoplastic. Neutral crack pleat polysaccharide is transformed into carboxylic acid sodium salt with negative electric charge by its carboxy methylation in the invention. And this not only can improve its solubility, but also can keep its good rheological behavior and antineoplastic activity. The invention uses the chemical agent to substitute the carboxyl of the polysaccharide, and controls molecular weight and degree of substitution of the carboxymethyl crack pleat polysaccharide by reaction condition to make it have good solubility and antineoplastic activity. And it can apply in cosmetic, antineoplastic, food, and so on.

The invention relates to the field of health-care products, and especially relates to a ginseng and Chinese magnoliavine fruit health-care product. The ginseng and Chinese magnoliavine fruit health product is mainly prepared from the following raw materials: 40-60 parts of ginsenoside, 8-10 parts of schizandrin, 1500-2500 parts of panaxan and 2500-3500 parts of dextrin. The immunity-improving effects of the combination of the ginsenoside with the schizandrin to the mice are obviously better than the immunity-improving effects of the single use of the ginsenoside or the schizandrin, so that obvious compatibility advantages are achieved. The invention further provides a preparation method of the ginseng and Chinese magnoliavine fruit health-care product. The preparation method specifically comprises the following steps: separating the stems and the leaves of the ginsengs from the roots of the ginsengs, and respectively extracting the ginsenoside, so that the utilization rates of the ginsengs are improved while types of the ginsenoside are enriched; carrying out de-colorization treatment by utilizing a two-step heating reflux method so as to reduce loss of the ginsenoside; extracting the schizandrin by utilizing an ethanol reflux extraction method so as to greatly improve the extraction rate of the schizandrin; and carrying out drying treatment by adopting vacuum microwave drying, so that the effective contents of the ginsenoside and the schizandrin are obviously increased.

The invention relates to the technical field of food and medical treatment, in particular to a method for extracting selenium-rich tea polysaccharide by using ultrahigh pressure. The defects of high extraction temperature, long time consumption, large extraction solvent amount and the like of the traditional selenium-rich tea polysaccharide extraction are overcome. According to the method, the selenium-rich tea is used as a raw material, the yield of the selenium polysaccharide is used as an evaluation index, the process conditions of ultrahigh-pressure extraction of the selenium-rich tea polysaccharide are optimized, the optimal extraction process conditions for obtaining the selenium polysaccharide are as follows: the treatment pressure is 400 MPa, the material-liquid ratio is 1: 40, the pressure holding time is 10 minutes, and the highest yield of the selenium polysaccharide is 2.48% under the conditions. Ultrahigh pressure serves as a non-thermal extraction technology, physiological active ingredients in the selenium-rich tea can be kept unchanged to a large extent, and a new means is provided for extraction of polysaccharide of the selenium-rich tea.

The invention provides a grain composition for improving blood glucose. The grain composition provides dietary fibers, proteins, carbohydrates, vitamins and minerals for the human body through all thecomponents, and thereby nutritional requirements of the human body are balanced. In the grain composition, sesame seed, corn flour, tartary buckwheat, red bean, white hyacinth bean and other grains can provide carbohydrates for the human body, concentrated whey protein powder, milk powder, sea cucumber powder, soybean protein isolate powder and the like can provide protein sources for the human body, and sufficient and rich vitamins and minerals can be provided for the human body through the interaction of all the components. Effective substances, namely total flavonoids and biological polysaccharides with biological activity, contained in all the components can take auxiliary blood glucose reduction as an entry point to act together to reduce the absorption of carbohydrates and fat by the organism, reduce fasting blood glucose concentration, improve functions of islet cells, increase the sensitivity of insulin cells and the reserve of liver glycogen, lower the blood glucose level, prevent the excessive increase of postprandial blood glucose, improve glucose tolerance, and stabilize human blood glucose.

The invention relates to a method for extracting moringa oleifera lam flavone from moringa oleifera lam leaves. The method comprises the steps: 1) drying the moringa oleifera lam leaves, loading into a filter basket, putting into a sub-critical extraction kettle, and closing airtightly the extraction kettle; then adding an organic extraction agent, heating up until an extracted liquid in the sub-critical extraction kettle is in a sub-critical state; and extracting to obtain the extracted liquid, putting into a solvent recycling kettle, carrying out reduced-pressure recycling of the solvent, and thus obtaining a black green extract; 2) adding n-butanol saturated by water into the extract, and extracting; centrifuging by using a centrifuge, and collecting the extracted phase; and carrying out reduced-pressure concentration of the extracted phase by a rotary evaporator to obtain a brown-yellow extract; and 3) loading the brown-yellow extract on a macroporous resin column, then carrying out gradient elution with elution liquids according to an order from small elution liquid polarity to large elution liquid polarity, detecting, taking a fraction having the flavone content of more than 97%, concentrating to a dried powder, recrystallizing with methanol or ethanol, and thus obtaining a flavone product with the purity of more than 98%. The product has less impurity content and high biological activity, and the sub-critical fluid extraction technology has the advantages of high extraction efficiency, short operating period, energy saving, time saving, and high recovery rate of the extraction agent.

The invention provides a ginseng fruit extracting solution and a preparation process thereof, and relates to the technical field of plant extraction. According to the making process of the ginseng fruit extracting solution, the extraction rate of active substances in ginseng fruits can be increased, damage to the structures of the active substances can be avoided, and the pharmacological effect of the active substances is guaranteed. The invention further provides a ginseng fruit extracting solution. The ginseng fruit extracting solution has the pharmacological effects of remarkably reducing blood fat and blood sugar, balancing blood pressure, resisting cancer and the like.

The invention provides a black garlic compound beverage and a preparing method thereof, and relates to the technical field of garlic deep processing. The black garlic compound beverage is prepared from, by mass, 0.8-2.4 parts of black garlic, 4.0-5.6 parts of smoked plum, 2.4-4.0 parts of lycium ruthenicum, 8-10 parts of saccharose, 0.05-0.1 part of citric acid, 0.08-0.12 part of a compound stabilizer and 77.78-84.67 parts of water. The compound stabilizer comprises sodium alginate and xanthan gum, wherein the mass ratio of the sodium alginate to the xanthan gum is 1:2-2:1. The prepared blackgarlic compound beverage product is rich in nutrition, mellow, palatable, transparent and bright in color and luster, and stable in texture, has the active functions such as oxygen resistance, can well meet the health requirement of modern diet therapy regimen, and integrates flavor and health-care value.

The invention discloses kudzuvine root fine dried noodles and a production method thereof. The production method is characterized in that the kudzuvine root fine dried noodles with the fresh scent of kudzuvine root are produced by using 100 weight parts of strong and fine flour and 20 to 40 weight parts of kudzuvine root powder as raw materials and adding 20 to 25 weight parts of kudzuvine root extract during dough making and by processes such as dough making, curing, tableting, strip cutting, drying, packaging and the like. Physiological active ingredients such as flavonoids compounds are contained in the noodles, so the kudzuvine root fine dried noodles have nutritional and health-care functions.

The invention discloses a method for simultaneously extracting polysaccharide and flavone from stems and leaves of Tetrastigma hemsleyanum. The method comprises the following steps: drying and crushing the stems and leaves of the Tetrastigma hemsleyanum to obtain dry powder of the stems and leaves of the Tetrastigma hemsleyanum; mixing the Tetrastigma hemsleyanum stem and leaf dry powder with an acidic ethanol solution to obtain a mixed solution; carrying out water bath treatment on the mixed solution, and performing centrifuging to obtain a first supernatant and a first residue; uniformly mixing the first residue with deionized water, carrying out microwave extraction, and centrifuging the extract to obtain a second supernatant and a second residue; combining and mixing the first supernatant and the second supernatant, performing rotary evaporation to remove ethanol, adding NaCl to be a saturation state, adding an ethyl acetate solution for extraction, and performing liquid separation; concentrating the supernatant under reduced pressure and performing drying to obtain tetrastigma hemsleyanum flavone, and performing dialyzing, reduced-pressure concentrating and precipitating on the subnatant to obtain tetrastigma hemsleyanum polysaccharide. According to the method, the production process is simplified, safety and reliability are achieved, the yield is high, the biological activity of polysaccharide and flavone in the Tetrastigma hemsleyanum stems and leaves is well reserved, and the economic value is high.

The invention relates to a method for extracting triterpenoids from antrodia cinnamomea. The method comprises the following steps: firstly, mixing antrodia cinnamomea powder with diatomite, adding an extracting solvent and then carrying out ultrasonic extraction and filtration; next, adding a solvent to achieve constant volume and completely volatilizing the solvent, thereby obtaining the crude extract of triterpenoids, adding a solvent to the crude extract of triterpenoids, heating until the crude extract of triterpenoids can be dissolved, adding a pressurized solvent and carrying out pressurized extraction, filtering the extract, and finally, performing vacuum rotary evaporation on the extract, thereby obtaining the refined extract of triterpenoids. The method is characterized in that the antrodia cinnamomea is pretreated before extraction, including drying and crushing ad reduced pressure evaporation, and then pressurized extraction is carried out so that the triterpenoids in the antrodia cinnamomea can be completely extracted; besides, the whole operation conditions are mild and the physiological activity of the triterpenoids can be maintained thoroughly; besides, filtration is carried out twice in the operation process, and under the filtration assisting action of the diatomite, the effective impurities can be effectively filtered out, and therefore, the extraction effect can be prevented from being affected by other ingredients in the antrodia cinnamomea.

The invention provides an alkaloid-free / low-alkaloid betel nut and a preparation method thereof. The alkaloid-free / low-alkaloid areca nut is obtained by soaking the betel nut in lye containing a surfactant. The content of arecoline in the areca nut is Below 0.02wt%. The invention can fully leach arecoline which is a carcinogenic threat in the betel nut by combining the lye with the surfactant, and simultaneously effectively remove the pigment and pesticide residues. The trace elements, tannins and polyphenols that are beneficial to the human body are retained and are not affected, and its physiological activity and unique flavor are still retained. The method has the advantages of simple process, ingenious design, strong operability, no pollution, large raw material handling capacity and low production cost, and is suitable for industrialized production.

The invention relates to a method for extracting moringa oleifera saponins from moringa oleifera leaf; and the method is as follows: 1) drying the moringa oleifera leaf, filling into a filter basket, putting into a subcritical extraction kettle, sealing the extraction kettle, adding an organic extractant, heating until an extraction liquid in the supercritical extraction kettle is in a subcritical state; putting the extraction liquid into a solvent recovery tank to obtain black green extract; 2) adding acetone / ethyl ether to the extract for extraction, using a centrifuge to take the extraction liquid, drying to obtain yellow extract; and 3) loading the extract onto a macroporous resin column, using an eluent for gradient elution according to smaller-to-greater polarity of the eluent, detecting, taking a fraction with more than 97% of saponin content, using water for elution and crystallization, and then using ethanol and methanol for recrystallization for 2-4 times to obtain a saponins product with the purity of above 98%; the saponins product is less in impurity content and high in biological activity, and the subcritical fluid extraction technology has the advantages of high extraction efficiency, short operating cycle, energy conservation, saving time, and high extractant recovery rate.

The invention discloses a method for extracting and separating procyanidine of hawthorn fruit through low-temperature aqueous two-phase cooling. The method comprises steps as follows: after fresh hawthorn fruit is washed, 30-70 mL of citric acid solutions, 30-70 mL of sodium chloride solutions and 30-70 mL of isopropyl alcohol are added to every 10 g of hawthorn fruit, the mixture is cooled to subzero 18 DEG C in a freezer, taken out and subjected to homogenization treatment for three times by a homogenizer, homogenization treatment is performed for 1-3 min every time, a product is left to stand for 5-15 min, an isopropyl alcohol top phase is separated after complete phase separation, obtained isopropyl alcohol is collected, subjected to vacuum distillation through a rotary evaporator and removed through evaporation, 1-4 ml of ethanol is added, solids are precipitated, the obtained solids are subjected to vacuum drying at the temperature of 20-35 DEG C until the solids are dried, and a procyanidine extract of the hawthorn fruit is obtained. By means of the method, the variety of reagents is reduced, and non-toxic, degradable, green and environment-friendly properties are realized; a homogenizing technology is introduced to the extraction process, mass transfer is effectively improved, the extraction time is greatly shortened, and the purity of the obtained procyanidine of the hawthorn fruit is higher.