First, there is almost no difference between them except the name and appearance:
1, Dioscorea opposita is the underground stem of Dioscorea opposita, and yam bean is the kidney-shaped or ovoid bulblet between the axils of aerial parts of Dioscorea opposita, also known as Reiyoshi and Dioscorea opposita seeds.
2. yam bean and Chinese yam have almost the same efficacy, and both of them have high nutritional value. Yam bean and Dioscorea opposita are good autumn and winter health products for invigorating spleen and lung, nourishing and mild.
3. yam bean is good for people's health. First of all, yam bean contains amylase, polyphenol oxidase and other substances, which can promote digestion and absorption. Secondly, the mucin in yam bean can lower blood cholesterol, prevent fat deposition in cardiovascular system, protect arterial blood vessels and prevent arteriosclerosis. Finally, the saponin and mucus in yam bean are beneficial to lung and cough.
Second, the benefits of eating yam bean
1, spleen and stomach, treating diarrhea. "Compendium of Materia Medica" records: "yam bean benefits kidney qi, strengthens spleen, stops diarrhea, reduces phlegm and moistens fur." Thus, yam bean has a good effect on chronic gastritis, chronic diarrhea due to spleen deficiency and chronic enteritis.
2, nourishing liver and kidney, anti-aging. Yam bean nourishes the lung in the upper part, the spleen in the middle part and the kidney in the lower part, which contributes to the conditioning of anti-aging and weak constitution and has a good conditioning effect on various weak diseases.
3. Nourish spleen and kidney and lower blood sugar. Yam bean, with the function of nourishing spleen and kidney yin essence, is the main medicine for treating diabetes in Chinese medicine. It is often combined with Huangmao and Trichosanthes root to treat diabetes with deficiency of both qi and yin. Yam bean with Fructus Lycii and Rhizoma Anemarrhenae can enhance the effect of nourishing yin and tonifying kidney, and with Coicis Semen can reduce diet, which is suitable for all types of diabetes.
Third, yam bean's food taboos
1, diabetic patients had better not eat shredded yam beans, otherwise it will have a certain impact on blood sugar.
2. When people with poor gastrointestinal tract eat yam bean, don't take alkaline drugs such as baking soda tablets at the same time, so as to avoid baking soda invalidating amylase in yam bean.
3. Dioscin in yam bean can synthesize hormones, such as testosterone and estrogen, so it is not suitable for male patients with prostate cancer and female patients with breast cancer.
4. yam bean is rich in vitamin C, and pig liver contains trace elements such as copper, iron and zinc. When vitamin C meets metal ions, it will accelerate oxidation and damage, which reduces the nutritional value. Therefore, after eating pig liver, yam bean should not be eaten.
Yam bean tastes like yam. Generally, we will make it into desserts, such as shredded yam beans and yam bean candied haws, which are not only delicious but also nutritious.