Transcription of ANTIOXIDANT ACTIVITY, PHENOL AND …
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ANTIOXIDANT ACTIVITY, PHENOL AND …
Pak. J. pharm . Sci., , , July 2009, 277 ANTIOXIDANT activity , PHENOL AND FLAVONOID CONTENTS OF 13 CITRUS SPECIES PEELS AND TISSUES KAMRAN GHASEMIa, YOSEF GHASEMIa AND MOHAMMAD ALI EBRAHIMZADEHb* aDepartment of Horticulture, Faculty of Agriculture, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran. bPharmaceutical Sciences Research Center, School of Pharmacy, Mazandaran University of Medical Sciences, 48189, Sari, Iran. ABSTRACT Methanolic extracts of 13 commercially available citrus spp., peels and tissues growing in Iran were investigated for their ANTIOXIDANT activity by DPPH method. IC50 for ANTIOXIDANT activity ranged from mg ml-1. Total phenolic content of the citrus spp. samples (based on folin Ciocalteu method) varied from to mg gallic acid equivalent/g of extract and flavonoids content (based on colorimetric AlCl3 method) varied from to mg quercetin equivalent/g of extract. There were no correlation between the total phenolic and/ or flavonoids contents and ANTIOXIDANT activity in tissues and/or peels.
pak. j. pharm. sci., vol.22, no.3, july 2009, pp.277-281 277 antioxidant activity, phenol and flavonoid contents of 13 citrus species peels and tissues
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