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Hypericum perforatum L. (HPL) has been used as a beneficial herb on menopause related syndromes for many years due to its antioxidant activity by inhibiting lipid oxidation. The major bioactive gradients of HPL are flavonoids. To date, extensive researches have been focused on its antioxidant effects, however, their exact antioxidant properties remain unclear. For this purpose, this study monitored...
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