1, overnight impact
After yam overnight, because yam contains a lot of starch, which is also the nutrition needed for microbial growth, there may be a lot of harmful microorganisms in it. Although heating can kill these microorganisms, a large number of harmful metabolites cannot be eliminated. Generally, overnight dishes contain carcinogenic nitrite and other harmful substances, which are harmful to the body after eating. Moreover, due to the consumption and repeated heating of microorganisms, these dishes have low nutritional value and little edible value.
2. Nutritional value
In general, eating yam is very nutritious and can bring many benefits to the human body. Edible yam has the effects of invigorating middle energizer, invigorating qi, diminishing inflammation, relieving pain, promoting salivation, quenching thirst, detoxicating, invigorating stomach and kidney, replenishing essence, moistening lung and relieving cough, invigorating qi and nourishing blood, and lowering blood sugar. It can also be used for treating cough, bronchitis, pneumonia, nephritis, kidney deficiency, nocturnal emission, premature ejaculation, spleen and stomach weakness, diarrhea, etc.
3. Preventive measures
Although yam is good, there are also many places to pay attention to. Yam can play a role in lowering blood sugar, but for diabetics, don't eat too much yam at a time, otherwise the blood sugar will rise due to the influence of starch in yam. After eating yam, the intestines will become dry, so constipation patients are not suitable for eating yam, otherwise it will lead to more serious illness. When eating hot pot, mala Tang and other foods, it is not advisable to add yam, otherwise it is more likely to lead to symptoms of getting angry.