In our daily life, there are many kinds of food which are very nutritious and beneficial to our health, while they are often neglected by us. These foods are mainly as follows:

First, soybean curb residue
Soybean curb residue contains a lot of calcium, with 100 mg of calcium in every 100 grams of tofu residue, which is almost equal to that in milk. The calcium in soybean curb residue is easily absorbed and utilized by the body, so it is the most inexpensive and available food for calcium supplementation. In addition, the cellulose in bean curd residue can absorb the sugar in food, so as to reduce the absorption of glucose by small intestinal wall, and reduce the burden on the pancreas. Therefore, regular eating of bean curd residue can prevent and treat diabetes. In recent years, scientists also found that, bean curd residue contains a kind of anti-cancer substance——saponin, which can greatly reduce the morbidity of breast cancer, prostate cancer and pancreatic cancer.

Second, pork skin
Pork skin is rich in collagen protein. It is found that after the combination with water, collagen protein is very important in maintaining the shape of cells and the plasticity of tissue. What's more, it can prevent the drying and dehydration of the skin, and delay the aging of the cells, thus playing a role in skin care and skin beauty. Therefore, pork skin is one of the best foods for anti-aging and skin care.

Third, fish eyes
Fish eye contains plenty of unsaturated fatty acids such as docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA). This natural substance can enhance the memory and thinking ability of the brain, and is very beneficial in preventing memory loss, lowering cholesterol and preventing high blood pressure.

Fourth, fish scales
Nutritionists found out that fish scale contains much lecithin, a variety of unsaturated fatty acids, and many kinds of minerals, especially calcium and phosphorus. So it is a special health care product. It can enhance people's memory, slow down the aging of brain cells, reduce the cholesterol deposits in blood vessel walls, as well as promote blood circulation.

Fifth, pepper leaves
Pepper leaves are rich in calcium, carotene, and various kinds of vitamins. Eating pepper leaves regularly can nourish the liver and improve the eyesight, and it is also helpful in weight loss and beauty care. In addition, moderate intake of pepper leaves can also promote the secretion of gastric juice and improve appetite, so it is very effective in the treatment of dyspepsia, flatulence, stomachache and so on.