First, how long can the yam be cooked

The yam can be cooked in 15 minutes, but the details still depend on the size and situation of the yam.

if yam is steamed, it's easier to perfect a slice of yam, which takes about 8 minutes. If yam is thick, it can be steamed for a little longer, which takes about 15 minutes. If yam is short, it's better to steam it for 2 minutes.

if you use a pressure cooker, the speed will be faster. Blocks take 5 minutes, thick blocks take 1 minutes to get up and down, and bullet segments take 15 minutes to get up and down.

Second, how do you know that the yam is cooked?

The most convenient way to tell that the yam is cooked is to poke it with chopsticks. Dioscorea opposita contains a lot of cassava starch, so it can become soft after perfection, and it is ripe without hard heart when wooden chopsticks are poked down.

Third, how to steam the yam is better

1. Roast the yam on the fire, so that the root hairs of the yam will be roasted off.

2. Clean the roasted yam and remove some inedible parts.

3. cut the yam into sections and put them in the steamer.

4. put a pressure cooker or rice cooker on the steamer, and steam for 15 minutes after exhausting.

fourth, the function and efficacy of steamed yam

1. invigorating the spleen and stomach and promoting digestion

Dioscorea opposita contains pepsin, polyphenol oxidase and other substances, which are beneficial to the digestion of the stomach and intestines, and it is a product with the same origin and dual use of food and medicine for blindly nourishing the spleen and stomach. Both spleen yang deficiency and stomach yin deficiency can be eaten. Clinical medicine is often used together with gastrointestinal drinks to treat spleen and stomach deficiency and cold, anorexia, fatigue, diarrhea and other symptoms < P > 2. Nourishing kidney and benefiting kidney < P > Dioscorea opposita Thunb. contains a variety of nutritional elements, which has the effects of strengthening the body and nourishing kidney and benefiting kidney. Anyone who suffers from frequent nocturnal emission due to kidney deficiency, increased leucorrhea in women, frequent urination, etc. can take it < P > 3. Benefiting lung, relieving cough and resolving phlegm < P > Dioscorea opposita Thunb. has the effects of moistening and nourishing, so it can benefit lung qi deficiency, moisten lung yin, and cure lung deficiency, cough and excessive phlegm < P > 4. Reduce blood sugar < P > Dioscorea opposita Thunb. has mucus protein, which can moisten and nourish the lung. It is the top grade of diet therapy for diabetic patients < P > 5. Longevity < P > Dioscorea opposita contains a lot of mucus protein, vitamins and nutrients, which can reasonably prevent blood sugar from settling on the blood vessel wall, prevent heart disease, and achieve the effects of benefiting the mind, calming the nerves, helping sleep and prolonging life.