The appearance of yam is not surprising, with a tan skin and a thin cylindrical shape. The meat is white and firm, and the taste is slightly sour and sticky when chewing. However, according to ancient records, eating more yam has the functions of "hearing and improving eyesight" and "not being hungry and prolonging life", which is very beneficial to human health, and it is also circulated among the people that yam has obvious effects on conditioning physiological ability, weak physique after illness, postpartum aftercare for women and strengthening children's physique, so it is called "food medicine".
Chinese yam
Traditional Chinese medicine believes that yam has many functions, such as strengthening the spleen, tonifying the lung, consolidating the kidney and benefiting essence. It also has a certain therapeutic effect on cough due to lung deficiency, diarrhea due to spleen deficiency, nocturnal emission due to kidney deficiency, leukorrhagia and frequent urination. Lotus root, on the other hand, is rich in vitamin C and minerals, so it has the effects of enriching blood, helping sleep, cooling and annealing, stopping bleeding and removing stasis, and because of the comprehensive effect of lotus root in human body, it can also help to eliminate nerve fatigue, autonomic nervous disorder, insomnia and other symptoms.
Yam has the effects of invigorating spleen, removing dampness, invigorating qi, benefiting lung, consolidating kidney and benefiting essence. Yam contains soluble fiber, which can delay the emptying of food in the stomach and control the increase of blood sugar after meals.
It can also help digestion and lower blood sugar. Used for diabetic diarrhea due to spleen deficiency and frequent urination.
Control appetite for food
As a nutritious food, yam contains a lot of starch, protein, B vitamins, vitamin C, vitamin E, glucose, crude protein amino acids, choline, allantoin and so on. Among them, yam soap, an important nutritional component, is a precursor substance for synthesizing female hormones, which has the effects of nourishing yin and tonifying yang and enhancing metabolism; The mucilage and digestive enzymes of polysaccharide and protein contained in fresh tuber can prevent cardiovascular fat deposition and contribute to gastrointestinal digestion and absorption.
What's more worth mentioning is that yam is a natural slimming food for MM. It contains enough fiber, and after eating, it will feel full, thus controlling the desire to eat. Secondly, yam itself is a kind of food with high nutrition and low calorie, so you can safely eat more without worrying about getting fat.
Preservation is not difficult.
Fresh yam is easy to oxidize with oxygen in the air, and it will brown when it comes into contact with iron or metal. Therefore, it is best to cut yam with a bamboo knife or a plastic blade, draw lines on the skin first, and then peel it into sections by hand. Incision is easy to oxidize, so you can soak it in rice wine first, then blow dry it with a hair dryer to promote wound healing, then wrap it in a napkin, wrap several layers of newspapers around it and put it in a cool corner.
Yam is also known as yam, sweet potato and yam. According to "Compendium of Materia Medica", yam is mild, sweet and non-toxic, which is beneficial to kidney-qi, strengthening bones and muscles, strengthening spleen and stomach, stopping diarrhea, resolving phlegm and saliva, moistening fur, and treating spermatorrhea and amnesia. It is an excellent health food and traditional Chinese medicine material, and has been widely used as a medical tonic in Southeast Asia since ancient times.