Turpan grapes without skin seeds

REVIEW: grape seeds and skins contain a lot of useful material on the human body, but the grapes without seeds spit skin is no good for health.

Winter Fruit Chishimehao

Grapes not only look cute, but extremely sweet. It is far more than the sugar content of apple-pear taoxing of Class A common temperate fruits, up to nearly 20%. However, these are not the main reason grapes attention. Today, it has great production, one of the main reasons is that used to make wine. Wine for its health value has been sought after by people of the world, and that health reasons, mainly grape skin and grape seed polyphenols inside the health care component.

Resveratrol in grapes has a strong anti-oxidant, anti-cancer, anti-cardiovascular diseases, anti-radiation, anti-inflammatory, antibacterial and other effects, but they are mainly found in grape skin and seeds, the pulp content is only skin up to several years at a fraction of 1 percent.

Another special health ingredients in grape called polymeric procyanidins. The health effects of such substances has been more and more attention, including a high antioxidant activity, anti-cancer, anti-mutagenic, anti-radiation, prevention of cardiovascular disease, and promoting tissue repair and improve the skin and so on. The so-called grape seed extract because it is, and valuable. This substance is not relying on grapes pulp, because it only exists in the seeds.

Meanwhile, the skin and seeds also contain a lot of tannins and flavonoids, which have antioxidant health effects of wine is also part of the justification. Guer, it was suggested that grapes can not be sputtered grape skin and seeds out with even the best eats, or thrown into the trash a pity. This really true?

The grape skin and grape seed chew swallow the result of waves of only the tongue numb, feeling very uncomfortable. This is because it contains a lot of tannin, it solidified the tongue, mouth and esophagus the surface of the protein, resulting in a strong astringency. A certain extent, this substance is like persimmon tannin, like a large number of eaten some damage to the digestive tract. Even so, in which the active ingredient will still be wearing off and the intestines and does not like drinking wine, as was easily absorbed.

It turned out that resveratrol contained in grape skin Ye Hao, Ye Hao polymeric procyanidins, which are difficult to dissolve in water. Resveratrol soluble in ether, chloroform, methanol, ethanol, acetone and so on. The grape seed among the polymeric procyanidins are soluble in methanol, acetone, ethanol and ethyl acetate. Therefore, it is often a mixture of ethanol and water to extract these components.

This allows to understand why the amount of drinking red wine may have health benefits. The grapes have seeds Paper, “brought this upon ourselves.”