產品資訊 - Guava leaf Extract->Herbal Extract

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Hangzhou Gosun Biotechnologies Co.,Ltd.

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Guava leaf Extract

產品分類 :

美容及家居用品->草本治療->草本提煉精華

產品規格

Packing	25kg/drum, Packing in paper-drums and two plastic-bags inside
Payment Term	T\T,L\C

產品描述

Code BCY-ZT059

Product Name: Guava leaf P.E.

Specification: 5：1, 10：1

Description: The bark and leaf extracts of guava (Psidium guajava) have shown to have in vitro toxic action against numerous bacteria. The leaves of guava are rich in flavonoids. The flavonoids have demonstrated anti-bacterial activity. This anti-bacterial property of guava leaves is what causes benefit to the teeth and gums.

Function: The effects of guava leaf extract on the bleeding time and the three main mechanisms of haemostasis: vasoconstriction, platelet aggregation and blood coagulation, were investigated. The water extract of guava leaves did not shorten bleeding times in rats. Guava leaf extract potentiated the vascular muscle contraction induced in rabbits by phenylephrine, and when given alone it stimulated human platelet aggregation in vitro in a dose-dependent manner. On the other hand, it significantly prolonged blood coagulation; activated partial thromboplastin time (APTT) test (p < 0.05). The higher the concentration of the extract, the longer APTT was observed. Thus, a water extract of guava leaves showed ambiguous effects on the haemostatic system. Guava leaf extract did not affect bleeding times, it stimulated vasoconstriction and platelet aggregation but it inhibited blood coagulation. Therefore, guava leaf extract is not recommended as a haemostatic agent.

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