A large number of research data show that birch juice contains betulin, polysaccharide, saponin, protein, minerals and other active substances, which has high medicinal value. It not only has obvious whitening, moisturizing and freckle removing effects on human skin, but also can effectively treat hair diseases. The clinical experiment of dermatology in the Affiliated Hospital of Changchun College of Traditional Chinese Medicine in Jilin Province for three months shows that the cure rate of cosmetics made of birch juice for seborrheic dermatitis, seborrheic alopecia and alopecia areata is 93%.
Extended data
Once the birch juice is collected, it needs to be treated within 12 hours. If it can't be completely treated, it can be temporarily stored in the cold storage. The storage temperature is kept at 5-7 degrees, and the longest storage period is 3 days.
If it needs to be preserved for a long time, there are only two ways at present: one is to use preservatives, in which case, it can be preserved for up to 6 months at a storage temperature of less than 20 degrees; Another method is to store birch juice with sugar, which can be stored for several years when the sugar content reaches 50-60%.
With the gradual increase of people's understanding of birch sap, birch sap is widely used as raw materials in products, from daily care, functional skin care products, functional health products, to dry white, beer, beverages, vinegar, yogurt, enzymes, nutritious food, chewing gum and so on.
Baidu Encyclopedia-birch juice (product raw material)