Yam bean, also known as Reiyoshi and Yam Seed, belongs to aerial tuber, also known as aerial tuber or plant bud. It is generally oval, with a length of 1-2.5 cm and a diameter of 0.8-2 cm, and can be used as medicine.

The efficacy of yam bean:

1, improve the digestive function: yam bean contains a lot of amylase, and also contains some multi-component oxidases. These substances can promote the decomposition and absorption of fat and protein, and can effectively improve the digestive ability of the stomach. In addition, yam bean also has the effect of relieving spleen and stomach weakness, and has a certain conditioning effect on symptoms such as diarrhea and abdominal distension caused by spleen and stomach weakness.

2. Prevention of diabetes: The protein mucus contained in yam bean can reduce the glycemic index, promote the secretion of insulin, and restore the excessively high blood sugar in the human body to a normal level.

3, anti-aging: yam bean contains a variety of vitamins, minerals and trace elements necessary for the human body, these substances can promote the body's metabolism, but also inhibit the oxidation reaction in the body, can delay aging.

Tips: yam bean should not eat with sweet potatoes, chestnuts, taro, soybeans and lotus seeds.