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Do you know the secret of mulberry?

Click:542Time:2019-07-01

  Do you know the secret of mulberry?

  When it comes to mulberry, officials can't control their salivary glands in an instant. Mulberry is loved by the public for its sweet and sour taste and delicious appearance. Small mulberry fruit, although small, can release a lot of energy. Mulberry fruit is rich in vitamin B, vitamin C, trace elements, organic acids, amino acids and other nutrients and biological active ingredients. It has many functions, such as nourishing body, quenching thirst, beauty, promoting digestion, disease prevention and treatment, so mulberry has "folk sacred fruit". Good reputation. In addition, mulberry is also a good source of polyphenols, including flavonoids, anthocyanins, phenolic acids and other small molecule phenolic compounds. Today, let Xiaobian share with you the secret about mulberry polyphenols.

  Major polyphenols

  Anthocyanins: Anthocyanins are the most important polyphenols in mulberry fruits, which give them beautiful color. Specifically, they include anthocyanin 3-O-glucoside (C3G), anthocyanin 3-O-rutin (C3R), anthocyanin 3-o-glucoside and anthocyanin 3-O-rutin. C3G content was the highest, accounting for 65.37%. Other anthocyanins such as anthocyanin-3-sophoridine and anthocyanin-3-glucuronide were also found by researchers.

  Flavonoids: There is no doubt that the second largest mulberry polyphenols belong to flavonol glycosides, the content of which is about 55.62-432.38 mg/kg. Flavonoids mainly exist in the form of glycosylation, and the structure of flavonol glycosides is complex, including 13 quercetin derivatives, 5 kaempferol derivatives and methoxyflavonol analogues, such as rhamnetin and isorhamnetin. Among them, quercetin glycoside is the most abundant, followed by quercetin 3-O-rutin glycoside and kaempferol 3-O-glucoside.

  Phenolic acid: The content of phenolic acid in mulberry is about 29.52-175.64 mg/kg. The derivatives of hydroxybenzoic acid and hydroxy cinnamic acid are the main ones, such as protocatechuic acid, vanillic acid and chlorogenic acid. These phenolic acids usually exist in conjugated forms of esters and glycosides, with few free states. Previous studies have shown that protocatechuic acid has anti-inflammatory and anti-hepatotoxic effects, chlorogenic acid has weight loss effect, in addition, a small amount of quinine acid in mulberry fruit can effectively alleviate urinary tract infection.

  Other phenols, such as resveratrol derivatives, resveratrol glycosides and paclitaxel, have good solubility and functionality, especially antioxidant activity.

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