Plant polyphenols are a kind of polyphenol compounds widely found in plants. They are widely exist in the skin, roots, leaves and fruits of plants, Polyphenols have the potential to promote the health effects.
The main function of polyphenols is antioxidant. Oxidative damage is an important cause of many chronic diseases such as cardiovascular disease, cancer and aging. The antioxidant function of polyphenols can play a preventive role in these chronic diseases. But also can effectively Prevent adverse effects that caused by a derivative of high-fat food produced in the human body. The following are some plant extracts that rich in polyphenols.
1. Tea polyphenols (green tea extract)
Tea polyphenols are the general term for phenolic compounds in tea, including flavanols, anthocyanins, flavonoids, flavonols and phenolic acids. Studies have shown that tea polyphenols and other active substances with detoxification and anti-radiation effect, can effectively prevent the radioactive material into the bone marrow, and can make strontium 90 and cobalt 60 quickly excreted out. Tea polyphenols are reagarded as "radiation nemesis." by the health field and the medical field.
2. Grape polyphenols (grape seeds extract)
Grape polyphenols is a plant polyphenols, soluble in water, methanol, ethanol and other organic solvents. It is widely found in grape seed, grape skin and juice. Such polyphenols are composed of Phenolic acids(Epicatechin), flavanols, anthocyanins, flavonols and condensation of tannin and other substances. There are more than 50 kinds of antioxidants found in Grape seed extracts, which is the product that have the most antioxidant species and the most extensive range of antioxidant substances.
3. Apple polyphenols (apple extract)
Apple polyphenol content varies due to maturity, unripe apple polyphenols content is 10 times that of mature apples, so the extraction of apple polyphenol using unripe fruit is appropriate. Besides the apple polyphenols have the function of antioxidation, deodorantion, preservation, retaining freshness, color protection, preventing vitamins loss, etc. So can be used for food processing, improving product quality and shelf life.
At the same time apple polyphenols also has a variety of health functions, such as the prevention of dental caries, prevention of hypertension, prevention of allergic reactions, anti-tumor; anti-mutation, hinder ultraviolet absorption, so can be used for health food and cosmetics manufacturing. Applied in health food and functional food additives, usage of apple polyphenol only need 50-500 PPm can have a full effect.
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