origin: life times
peel apples, fry tomatoes, peel grapes, peel grapes and stew wax gourd. How many of the similar habits do you have? In fact, when you get a good taste, you may miss a lot of "material". Life times invites authoritative nutrition experts to wake you up, but many nutrients are hidden in the skin.
visiting experts: the Specialized Committee President Sun Shuxia
1 antioxidant
whether it is anthocyanin, flavonoids and other polyphenols, or vitamin C, they all have strong antioxidant effects and can resist the damage of free radicals to the human body, prevention and prevention. Cardiovascular disease, improve the body's immunity. The content of these nutrients on the skin may be greater than that of pulp.
mung pea skin
the main ingredient in the mung bean leaf is protein and starch, and the skin contains a large number of antioxidant components, such as flavonoids, tannins, saponins, etc. Eggplant peel and eggplant peel concentrate most anthocyanins and flavonoids.
grape skin
grape skin contains not only a large number of antioxidants, but also resveratrol, which has the effect of lowering blood lipid, antithrombotic and preventing arteriosclerosis.
Apple Peel
apple peel is rich in vitamin C, anthocyanins and other polyphenols. In addition, black bean peel, red bean peel, kidney bean peel and peanut red coat also contain a lot of antioxidants.
2 anti-cancer component
radish skin
hot radish skin contains a considerable amount of isothiocyanates, which is the key ingredient in the anti-cancer effect of radish.
tomato skin
tomato skin is rich in lycopene, one of the most antioxidant natural substances found so far, to prevent cardiovascular disease and cancer.
3 dietary fiber and other nutrients such as
the vast majority of fruit and vegetable skin and grain skin are rich in dietary fiber, which can promote intestinal peristalsis and help prevent constipation, such as apple skin, tomato skin, grape skin and red bean skin.
at the same time, the skin is also a place with more mineral and vitamin content, such as the eggplant skin contains vitamin P, B vitamins, pear skin rich in iron and zinc, and the chromium content in the apple skin is much higher than that of the pulp.
from the point of view of traditional Chinese medicine, some skin also has special effects, such as wax gourd peel, which has the effects of relieving heat, strengthening spleen and dampness.
suggest that when you eat the above foods, try to bring your skin to eat together.
to reduce pesticide residues, it is best to rub the fruit and vegetables under the tap. The appearance of "strong" melon and fruit can be scrubbed with a small brush, feel clean, and then rinse for 15~20 seconds with water.
soaking with tap water can also remove some of the pesticide residues, but not for too long. It takes 10 minutes.
polyphenols are unstable under alkaline conditions, and small soda should not be added to the gruel of mung bean and other cereals. It needs to be reminded that not all food skin can be eaten:
potato skin contains toxic solanine; sweet potatoes may accumulate in the skin during growth; water chestnut skin may absorb a lot of harmful biological excreta, and may also contain parasites; mature persimmon skin contains a large number of Tannic acid; these skins are best not to be eaten.