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quercetin 槲黃素      (in English and Chinese 中英文)

by: Joe Hing kwok Chu


Quercetin is part of the complex compound of vitamin P. It is a bioflavonoid. It is similar to rutin. It is widely distributed in plants and commonly seen in vegetables, fruits that we consume like: onion, cabbage, apple, asparagus, mustard green, lettuce, grapefruit, grapes, green tea, spinarch, potatoes; and also seen in herbs like gingko, St. John's wort, jie gu mu, gao liang jiang, yin chen hao, bo ye, xian ling pi, he shou wu, tou gu cao, tian qi, gan cao, he shou wu, beng da wan (gotu cola) etc.


Its medical functions include:

  1. anti-inflammation,

  2. anti-allergy by inhibiting the release of leukotrenes that can cause asthma, gouts, ulcerative colitis.

  3. anti-oxidation. Its anti-oxidation is 50 times as strong as vitamin E and 20 times as strong as vitamin C.

  4. promote capillary circulation to maintain blood flow, improve blood vessel elasticity, good vascular flow,

  5. Inhibit the formation of low-density lipoprotein cholesterol and peroxidation, and prevent atherosclerosis, and it can pass through the blood brain barrier and protect brain cells

 槲黃素( Quercetin ). 為維生素P複合物之一部分。是屬於生物類黃酮 ,與芸香甙(蘆丁)相似。它廣泛分佈於植物界中。常見於日常食用的蔬菜水果中, 如洋蔥,甘藍,蘋果,蘆筍,芥菜, 萵苣,葡萄柚,葡萄,綠茶,波菜,馬鈴薯,與藥用植物如白果貫葉連翹接骨木高莨姜茵陳蒿柏葉仙靈脾何首烏透骨草田七甘草何首烏崩大碗等。


  1. 抗發炎、

  2. 抗過敏,阻止發炎物質白三烯素 (leukotrienes)的釋放. 白三烯素會引起氣喘、痛風、潰瘍性結腸炎及常見的疾病。

  3. 抗氧化。抗氧化力是維他命E的50倍,維他命C的20倍

  4. 促進微血管循環,保持血管暢通,增進血管彈性,使血管通透性良好,

  5. 抑制低密度脂蛋白膽固醇之形成及過氧化,而防止動脈硬化,能通過腦血管障壁,保護腦細胞



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