Wild Yam (Dioscoreae) formerly known as yam, is a sprawling roots of plants, there are Huai Shan (yam), yam, mountain potato, sweet potato and other names. Distributed in tropical, subtropical and around the world, by 1991 more than twenty million tons of global production statistics. Taiwan imported African yam species, species in Southeast Asia, Central and South American species and European species, sub-planted throughout Taiwan, mostly spherical, massive, oval, long columnar four. Long potato type (yam family) origin than the cold (mainland, northern Taiwan, Central). Beige white meat, yellow and purple skin and purple flesh meat, rich in protein and amino acids slime polysaccharides, delicious and nutritious meat, can promote the body's normal growth and repair and other health functions. Yam variety of amino acids and plant hormones can make the body tissue function to maintain a normal life, not easy to cancerous cell cancer. Contains nine amino acids the human body can not be made, can be absorbed by the body, update cell metabolism bad cells, the cell mutation rate. Because it contains mucilage polysaccharide (viscous polysaccharids) into the gastrointestinal tract, can promote decomposition and absorption of protein and starch. Mucus polysaccharides and organic salts in combination, can be Maintain bone and cartilage elasticity and beneficial for patients with bone cancer and bone diseases. Containing fiber, can promote gastrointestinal motility, such as intestinal information can prevent tumors, colorectal and gastric cancer. Containing more than nine amino acid hydrolysis, the best choice for vegetarian vegetable protein intake
The therapeutic efficacy of yam: yam sweet, flat, lungs, spleen, kidney; not dry and not greasy; with the spleen and lungs, stomach and kidney, Gushen Yijing, ears and keen eyes to help the five internal organs, strong bones long Chi nerves, longevity effect; attending weak stomach, fatigue, weakness, loss of appetite, long vent dysentery, lung qi dry, Tan Chuan cough, kidney depletion, waist and knees, lower limb atrophy weak, diabetes, frequent urination, nocturnal emission Premature ejaculation, whitish vaginal discharge, red and swollen skin, obesity and other illnesses.