Yam is flat and sweet. It contains carbohydrates, protein, starch, B vitamins, vitamin C, vitamin E, glucose, crude protein, amino acids and other nutritional and health-care components, and has the functions of inducing interferon production and enhancing human immune function.
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Another important nutrient in yam is yam soap, which is called natural DHEA. DHEA contains various basic substances of hormones and is called the mother of hormones. It can promote the synthesis of endocrine hormones, promote the metabolism of skin epidermal cells, enhance the moisturizing function of skin, and also help to improve physical fitness.
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Yam is rich in cellulose, choline and mucin. This mucin can prevent the fat deposition of cardiovascular system, maintain the elasticity of blood vessels and prevent the premature occurrence of atherosclerosis. At the same time, it can also reduce subcutaneous fat accumulation and avoid obesity; Moreover, this mucopolysaccharide can combine with inorganic salts to form bones and make cartilage elastic.
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Yam polysaccharide can regulate or enhance immune function, and has anti-tumor, anti-aging and hypoglycemic effects.
The antioxidant effect of Dioscorea opposita polysaccharide has a good health care effect on promoting intelligence and preventing and treating nervous system diseases such as Alzheimer's disease.
N The digestive enzymes contained in yam can promote the decomposition of protein and starch, which is a health care product for people with dyspepsia.
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Yam also has rich medicinal value. Chinese medicine believes that yam is sweet and non-toxic, and has the effects of invigorating spleen and kidney, moistening lung to stop diarrhea and astringing sweat. Yam is a good tonic "food medicine", because it is "the supreme product in tonic medicine, with very peaceful characteristics, so you should eat it often and eat more".
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Yam is also a good helper to lose weight, because it contains less calories, more nutrients and rich crude fiber, which can easily increase people's satiety and control their appetite. Moreover, the fat content of yam is very low, with only 0.2g fat per100g yam, thus achieving the purpose of slimming. Yam tonifies the spleen and stomach, promotes fluid production and benefits the lungs, and tonifies the kidney and astringents essence. It has a good therapeutic effect on anorexia due to spleen deficiency, chronic diarrhea, asthma and cough due to lung deficiency, nocturnal emission due to kidney deficiency, increased leucorrhea, frequent urination, thirst due to deficiency heat, etc. Modern pharmacological research shows that yam has a good auxiliary function in preventing and treating hyperlipidemia and hyperglycemia and regulating gastrointestinal function.