Autumn and winter are the season of yam. Yam is not only food, but also has been regarded as nourishing food since ancient times. According to ancient books, eating more yam is good for health, and it can "keep your ears open and your eyes open, and prolong your life without hunger." Japanese people also like to eat yam, which is because the nutritional value of yam is very high ~ As far as Chinese medicine is concerned, yam is a good ingredient for spleen and lung, so let's take advantage of winter to have a yam tonic!

Yam grows completely from September to1February. Yam is sweet and flat. Enter spleen, lung and kidney meridians. Has the effects of invigorating qi, nourishing yin, invigorating spleen, lung and kidney, Nutrients of Chinese yam with the functions of strengthening essence and stopping leukorrhagia 100 g of Chinese yam (domestic yam) calories 73 calories 82. 1 0.9 g of crude fat 2.2 g of carbohydrate 12.8-20 g of crude fiber 0.3 g of dietary fiber/kloc-. .0 g vitamin b10.03-0. 1 mg vitamin B2 0.02 mg nicotinic acid 0.1mg vitamin C 12 mg sodium 9 mg potassium 370 mg calcium 5 mg magnesium 13.

Yam is not only rich in protein nutrition and sticky, but also rich in starch, soap (a kind of polyphenol), choline and plant hormones. The selection principle should pay attention to the complete shape and few fibrous roots, and the skin color is even without particularly dark blocks. The shape of local yam is irregular, while that of Japanese yam is long, and the meat quality of yam with too large size is not detailed enough. The storage method can be directly stored at room temperature, avoiding sunlight but not requiring special ventilation, but it may sprout if it is too wet. As long as the cut yam is not completely peeled, it can be kept at room temperature by wrapping the incision. If you want to put it in the refrigerator, don't put it in a too cold place to avoid frostbite. Q: How to increase the crispness of yam? A: To keep the crispness of yam, simply put, don't cook it for too long, and soak it in ice water before cooking, which can not only avoid nutrient loss, but also increase the crispness of edible food. Q: Is it true that yam protects the stomach? A: it's true! Yam contains mucin, so it will produce mucinous substances. After this substance enters the stomach, it can not only promote appetite and digestion, but also protect the stomach wall.

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