A bowl of fragrant rice and a sliver of kiln are in front of you, which one will you choose? Between a piece of watermelon and a piece of grapefruit, which one do you choose to eat after dinner? Do you ignore the onions and garlic on the table? In life, we often love sweet, delicate, fragrant foods, and do not like bitter, rough, and mild foods. And precisely in these bad-tasting foods, there are unexpected elements of nutrition and health.
Rough food
Some people prefer fine basmati rice and white flour products. They don't like brown rice and steamed bread, because they eat “jazziesâ€. In fact, it is the precious dietary fiber that stimulates intestinal peristalsis, helps defecation, changes the type and number of intestinal microbes, and reduces carcinogen production. Dietary fiber is widely found in foods with rough texture, including whole grains of rice, wheat, and beans, such as brown rice, oats, and red beans. In order to prevent constipation and colorectal cancer, 20-30 grams of dietary fiber should be ingested daily. It is recommended that breakfast abandon the traditional white rice porridge, change the grain porridge, fine white rice to whole wheat bread.
Astringent food
The presence of tannins, phytic acid, and oxalic acid can make foods astringent, because they bind to salivary proteins in the mouth and precipitate, causing the saliva to lose lubricity and the lingual epithelial tissue shrinking to produce astringent taste. However, these substances have strong antioxidant properties and are beneficial for preventing diabetes and high blood lipids. For example, olives, purple grape skins, apple skins, walnut skins, all have stronger antioxidant effects than pulp. It is recommended that apples and grapes are best eaten with skin. Do not remove the brown skin when eating walnuts.
Pickled food
Compared with sweet oranges, watermelons, and bananas, people who eat sour fruits such as shaguo and hawthorn are relatively few. In fact, the sourness of this type of fruit mainly comes from organic acids such as citric acid and malic acid. These natural acidic substances can promote the absorption of iron and other minerals. If you feel that the taste of sour foods is not good, you can make them into fruit bowls, add a small amount of rock sugar, and freeze them in the refrigerator. The taste will be greatly improved.
Bitter food
Natural bitter substances in food also have certain health effects. For example, pomelo peels in lemon and grapefruit, tea polyphenols in tea, polyphenols in red wine, and polyphenols in chocolate help prevent cancer and heart. The composition of the disease. Quinine extract in bitter gourd can also improve the body's immunity and help control blood sugar. Therefore, fruits must be eaten with food, not sweet, but also eat bitter, sour. Eat grapefruit skin, do not throw away, can be cut into bars and honey yuzu tea. For bitter gourds, they are boiled in hot water and can be eaten in honey after being chilled.
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