Tonify deficiency, strengthen body, help digestion, lower blood sugar, resist oxidation, moisten lung and relieve cough, and keep blood vessel elasticity. Its nutrients are mainly sugars, namely starch and protein, and its fat can be ignored. It also contains a small amount of vitamin b 1, b2 and vitamin E, etc. The specific chemical components are as follows. As long as everyone knows what this major is looking at, or you can just skip it. ① Yam tuber contains diosgenin, dopamine, diosgenin hydrochloride and polyphenol oxidase. It also contains glycoprotein, which can be obtained by hydrolysis: lysine, histidine, arginine, aspartic acid, threonine, serine, glutamic acid, proline, glycine, alanine, valine, leucine, isoleucine, tyrosine, phenylalanine and methionine. It also contains free amino acids including the above amino acids, cystine and γ -aminobutyric acid, polysaccharide with hypoglycemic effect, yam polysaccharide composed of mannose, glucose and galactose with a molar ratio of 6.45 ∶1∶/0.26, and barium, beryllium, cerium, cobalt, chromium, copper, gallium, lanthanum, lithium and copper. ② The rhizome of Chinese yam also contains catecholamine, cholesterol, ergosterol, campesterol and β -sitosterol. Mucus contains phytic acid, mannan Ia, Ib, IC; Some people say that mucus contains 40% polysaccharide, 2% protein, 3% phosphorus and 24% ash. The polysaccharide part consists of 80% mannose and a small amount of galactose, xylose, fructose and glucose. ③ Reiyoshi, commonly known as yam bean, contains five kinds of plant growth regulators, named dioscin Ⅰ, Ⅱ, Ⅲ, Ⅳ and Ⅴ. It also contains tetrandrine, dopamine and many sterols: cholesterols. These nouns sound laborious, in fact, as long as you know that these are the basic substances that the human body needs. Proper intake is good for health. The reason why I wrote this paragraph is mainly to explain that its function comes from this!

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