latin scientific name :fructus lycii active ingredients：lycium chinense polysaccharide testing method：uv specifications: smell: special smell, taste special colour : light brown, brown particle size:80mesh loss on drying:≤5% heavy metals:＜10ppm pesticide: negative total germ:＜1000cfu/g e.coli: negative salmonella|: negative p.aeruginosa: negative yeasts and molds:＜100cfu/g pharmacology function: 1 , immune regulation, lowering blood glucose, jiangxiezhi, delay aging, anti-fatigue effect. 2 , medlar oil rich rich yayousuan, yamasuan, oleic acid, vitamin e , carotene, and other biological active substances, lowering blood vessels with cholesterol to prevent arteries congee kind grow and enhance eyesight and prevent glaucoma, zengbai, rain, skin, reduce pigment and other role. wolfberry polysaccharide of a direct function of the immune cells active role in promoting, which may increase their cells [ ca2+ ] i .