Microalgae composition for preventing and treating airway inflammation as well as preparation and application thereof

technical field [0001] The invention belongs to the field of medical care and health, and in particular relates to a microalgae composition for preventing and treating airway inflammation, its preparation and application. Background technique [0002] Asthma is a chronic respiratory disease that seriously endangers human health. Its prevalence is on the rise worldwide. There are about 300 million asthmatic patients in the world, with an average prevalence of about 4.5%. It is estimated that by 2025, the global asthma The total number of patients will reach 400 million. There are about 20 million asthma patients in my country, with an average prevalence rate of 0.5%-1%. In some areas, the prevalence rate of asthma in children has reached as high as 4.52%. The global asthma mortality rate is also increasing, and the asthma mortality rate in the United States has reached 5.3%. The heavy burden of asthma has attracted the attention of the World Health Organization and governme...