The biggest feature of yam is that it can supply a large amount of mucin to human body, which has special health care function for human body. It can prevent fat deposition in cardiovascular system, prevent premature occurrence of vascular atherosclerosis, reduce subcutaneous fat deposition and avoid obesity.
Therefore, yam is a kind of bodybuilding food. People who want to lose weight can take yam as the staple food, which can not only avoid the damage of dieting to human function, but also help to achieve the purpose of losing weight.
Yam is a kind of vegetable originated in China, which is warm, famous, excellent and precious. Yam is sweet and non-toxic. Shennong's Herbal Classic says that it can "tonify the middle energizer, dispel cold and heat pathogens, tonify the middle energizer, promote granulation, and be alert and bright after taking it for a long time", Rihuazi's Herbal Classic says that it can "help the five internal organs, strengthen the bones and muscles, soothe the nerves, and mainly treat ejaculation amnesia", and The Compendium of Materia Medica thinks that yam can "benefit kidney qi and improve memory". It is rich in more than 20 nutritional and health-care ingredients such as starch, saponin, choline, pectin, dopamine, mucus, glycoprotein, vitamins, cellulose, selenium, phosphorus, calcium, iron, polyphenol oxidase and various amino acids needed by human body. Dopamine can dilate blood vessels and improve blood circulation. Saponins have the effects of resisting liver fat infiltration and preventing coronary heart disease and fatty liver. Polyphenol oxidase can promote the decomposition of protein and starch, and mucin can prevent fat deposition in cardiovascular system, maintain vascular elasticity, prevent premature formation of atherosclerosis and reduce subcutaneous fat deposition, thus avoiding obesity. Mucopolysaccharide can be converted into organic collagen, and then combined with inorganic phosphorus and calcium to form bone, which can accelerate the early healing of fracture, make cartilage elastic and prevent spinal arthropathy. Choline and lecithin help to improve people's memory. Pectin can increase the activity of T lymphocytes. Yam, as an auxiliary medicine for anti-tumor, radiotherapy, chemotherapy and postoperative weakness, has been included in the dictionary of anticancer Chinese herbal medicines. Yam is non-toxic and pollution-free. If eaten regularly, it can strengthen the body and delay aging. It is well-deserved to be the king of natural green health-care nourishing food with the same origin of medicine and food in the world. Yam is very beneficial to health and longevity. If farmers can grow yam, they will really enjoy it!
Yam rhizome
Yam rhizome
Also known as yam, yam and mushroom.
The source is the rhizome of Chinese yam ... Dioscorea plants.
Plant morphology is entangled with herbaceous lianas. The stems are usually purplish red. Simple leaves alternate in the lower part of the stem and opposite in the middle; Leaf blade ovoid triangular to broadly ovoid or halberd-shaped, with large variation, deep heart-shaped base and 3-lobed margin. Flowers unisexual, dioecious, in slender spikes; Capsule triangular oblate or triangular round, with white powder outside. The flowering period is from June to September, and the fruiting period is July-165438+1October.
Born on hillsides, under forests in valleys, or beside streams, roadside bushes or weeds. Location: Henan.
Collect the rhizome in autumn or winter, remove the soil and fibrous roots, cut off the reed head, wash it, soak it in water, scrape off the skin, smoke it repeatedly with sulfur and dry it in the sun. Some are smoked with sulfur, rubbed into a cylindrical shape with wooden boards, cut into sections, dried and polished.
Rhizomes are slightly cylindrical, curved and slightly flat, with a length of 15 ~ 30cm and a diameter of 1.5 ~ 6cm ... The surface is yellowish white or light yellow, with longitudinal grooves and fibrous roots. Heavy weight, solid quality, not easy to break, white cross section, pink. Odorless, light in taste, slightly sour, and sticky when chewing. Some are cylindrical, with flush ends and smooth surfaces, white or yellowish white.
The chemical components include mannan, 3,4-dihydroxyphenylethylamine, phytic acid, allantoin, choline, dopamine, bataxine and more than 65,438+00 amino acids, glycoproteins and polyphenol oxidase.
Sex and taste are plain and sweet.
Indications: invigorating spleen and stomach, promoting fluid production and benefiting lung, tonifying kidney and astringing essence. Can be used for treating spleen deficiency, anorexia, chronic diarrhea, lung deficiency, asthma and cough, nocturnal emission due to kidney deficiency, frequent micturition, and deficiency heat to quench thirst.
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