Sugar alcohol substances.

Generally, as long as the distribution is uniform, not covering the color of the skin of the grapes themselves white frost can be considered to be the secretion of sugar alcohols of the grapes themselves, also known as the fruit powder, completely harmless to the human body, is the "God of protection" of the grapes.

Because sugar alcohols are not soluble in water, it can be avoided to adsorb water on the surface of the grapes to form a moist environment, which leads to the breeding of germs and infestation, but also to prevent the grapes from picking the speed of water loss is too fast and crumpled. In addition, the wine yeasts contained in the blanc de blancs prevent microbial contamination during the winemaking process.

Expanded Information

There are many different types of grapes, but in general, grapes can be categorized into table grapes and wine grapes. Among the types of table grapes, different colors of grapes have different nutritional effects.

1, green grapes: for the clearing of heat and detoxification, to remove the fire to reduce dryness has a good effect.

2, white grapes: moisturize the lungs to stop coughing, coughing, lung deficiency, a great complement to the lungs, is a good choice for patients with lung disease.

3, black grapes: with nourishing kidney and yin, black hair, the role of strong bones.

4, purple grapes: rich in purple cyanidin, prevention of aging, healthy skin, protection of eyesight.

5, red grapes: due to the inclusion of invertase, cardiovascular patients have the benefit of softening blood vessels, blood circulation.

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