In life, we tend to love those sweet, fine, aromatic food, do not like the bitter, coarse, bland food. But it is in these poor-tasting food, there are unexpected nutritional and health elements. Rough food Some people do not like brown rice and nest, because they eat “throat”, prefer fine fragrant rice and white flour products, in fact, the throat is valuable dietary fiber. It can stimulate intestinal peristalsis, help defecation, and change the type and number of intestinal microorganisms, reducing the generation of carcinogens. Dietary fiber is widely found in coarse-tasting foods, including whole grains of rice, wheat and mixed beans, such as brown rice, oats and red beans. To prevent constipation and bowel cancer, you should ensure a daily intake of 20-30 grams of dietary fiber. It is recommended to give up the traditional white rice porridge for breakfast and drink mixed grain porridge instead, and replace fine white rice with whole wheat buns. Astringent food The presence of tannin, phytic acid and oxalic acid can make food astringent, because they will combine with salivary proteins in the mouth to precipitate, so that saliva loses its lubricity and the epithelial tissue of the tongue contracts, producing an astringent taste. However, all of these substances have strong antioxidant properties and are beneficial in preventing diabetes and hyperlipidemia. For example, olives, purple grape skins, apple skins, and walnut kernel skins, all of which have stronger antioxidant effects than the pulp. It is recommended that apples and grapes are best eaten with their skins, and when eating walnuts, do not remove the brown layer of skin. Sour food Compared with sweet orange, watermelon and banana, relatively few people love to eat sour fruits such as sago and hawthorn. In fact, the sour taste of these fruits mainly comes from organic acids such as citric acid and malic acid, which are natural acids that promote the absorption of minerals such as iron. If you feel that sour foods do not taste good, you can make them into fruit soup, add a small amount of icing sugar, put in the freezer, the taste will be greatly improved. Bitter foods The natural bitter substances in food also have certain health effects, such as naringin in lemons and grapefruit, tea polyphenols, red wine polyphenols, and chocolate polyphenols, which are all ingredients that help prevent cancer and heart disease, and quinine in bitter melon, which can also improve the body’s immune system and help control blood sugar. So, eat fruit must be eaten with, not just sweet, appropriate to eat some bitter, sour. Eaten grapefruit peel, do not throw away, you can cut it into strips and make honey grapefruit tea. For bitter melon, blanch it with hot water, chill it and then you can dip it in honey. Taste punchy food Onions and garlic are foods that many people are afraid to avoid because they taste too punchy, and even have an unpleasant smell in their mouths after eating. In fact, this unpleasant taste comes from sulfur glycosides and allyl disulfides, which are effective in preventing cancer and are widely found in foods such as radish, garlic and onion. Therefore, don’t ignore them in your daily diet. Radish can be made into kimchi and stewed ribs soup, onion can be used in cold dishes, and the most ideal way to eat garlic is raw. After eating garlic, onions and other foods feel bad breath, you can chew a small amount of tea.