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Abstract
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Stachys byzantine belongs to Lamiaceae family, and has numerous biological activities. In this study,
different extracts of Stachys byzantine (n-hextane, ethyl acetate, and methanole) were obttained, and then their
total phenol and flanavoid contents were investigated. Also, their antioxidant activities were studied. The results
indicated that the highest phenol content was related to the methanol extract. Also, this extract had the highest
flavonoid content. The analysis of antioxidant activity revealed that the ethyl acetate extract could inhibit high
percentage of DPPH radicals. So, the highest antioxidant activity of Stachys byzantine belonged to ethyl acetate
extract.
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