Maitake is rich in essential amino acids, vitamin and mineral contents. Test results reveal that 100g of the dry product of Grifola frondosa contains 22.75g protein, 23.58g amino acids(two folds higher than the amino acid content in Lentimus edodes), vitamins C, E, B1, and B2and organic selenium. It is also kand. It also contain Trp.
Maitake can prevent anaemia, scurvy and vitiligo, also prevent arteriosclerosis and the occur of brain thrombus; Protect liver, prevent rachitis, promote the growth of brain, anti-aging, adjust immune system. Restrain high blood pressure and adiposity.
The main active ingredient of Grifola frondosa is preteoglycanj, mainly in the form of dextran with basic structure of -(16) and-(13) dextran, and small amount of xylose and mannose.
Reasearches revealed Grifola frondosa polysaccharide plays its anti-tumor role via enhancing cellular immunity. On the genetic level, it has powerful inhibition of mutation caused by chemicals It can be used in the comprehensive treatment of lassitude, leukocytopenia, and reduced immunity due to chronic hepatitis and radio-chemotherapy for malignant tumors. It also has certain preventive role for AIDS. Oral intake of Grifola frondosa polysaccharide is both safe and effective.
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