The efficacy of yam and the benefits of eating yam for men

　　yam

　　Introduction: Yams are produced in all parts of my country, but the Huaiyam produced in ancient Huaiqing in Xinxiang, Henan is the best, with a solid texture and white powder. In addition to protein, carbohydrate, calcium, phosphorus, iron, carotene and vitamins, yam also contains amylase, choline, mucus juice enzyme and diosgenin. The amylase, also called digestive enzyme, can decompose starch and other substances. If mixed with alkaline substances, the amylase effect will disappear. Replenishing but not greasy, fragrant but not drying. Doctors in the past dynasties have praised yam as "the key medicine for treating deficiency".

　　Season: Autumn August-October

　　The efficacy and function of yam

　　Anti-arthritis, nourishing the lungs and kidneys, nourishing the kidneys and strengthening yin, diabetes, abdominal distension, weakness after illness, diarrhea , nourishing the lungs and relieving cough, lowering blood sugar, prolonging life, anti-hepatic coma, nourishing the kidneys and essence, strengthening the spleen and stomach, aiding digestion

　　How to choose yams

　　First, weigh the yams. For yams of the same size, heavier ones are better. Secondly, look at the beard. For the same variety of yams, the more beard the better. Yams with more beards taste better, contain more yam polysaccharides, and have better nutrition. Finally, look at the cross-section. The cross-section of the yam should be snow-white, which means it is fresh. If it is yellow and looks like rust, do not buy it.

　　Note: Never buy yams with abnormal spots on the surface, as they may have been infected with disease. Also note that the cross section of the yam should contain mucus and the outer skin should not be damaged. Yams are afraid of cold and heat. When buying yams in winter, you can hold them with your hands for about 10 minutes. If the yams sweat, they have been frozen. When broken open, the mucus in the cross-section of frozen yam will turn into water, with a hard core and red flesh color, indicating poor quality.

　　Yam making techniques

　　1. Yams need to be soaked in salt water immediately after being sliced ​​to prevent oxidation and blackening.

　　2. There will be mucus when fresh yam is cut, and it is easy for the knife to slip and hurt your hands. You can wash it with water and a little vinegar first, which can reduce the mucus.

　　3. Yams have a delicate texture and sweet taste. However, yam skins can easily cause skin allergies , so it’s best to peel the yam, and don’t touch it with your hands after peeling the yam. Wash your hands several times immediately, otherwise you will scratch it.

　　4. The outer skin of good yam is undamaged and contains mucus, and the cracks are white, with more mucus and less water. The skin can be fried fresh, or dried and fried in soup or porridge. Peel and eat to avoid numbness, thorns and other abnormal taste.

　　5. Fresh yam is mostly used for fatigue cough For treating diabetes and diabetes, stir-fry and eat it to treat deficiency of spleen, stomach and kidney qi.

　　How to preserve yam

　　Can be stored for one year at 2° to 5°C； In autumn and winter, it can be stored within 15° in a ventilated place for 3-5 months.