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Basic Research Article | doi:10.5530/ax.2012.2.2.11

Antioxidative capacity of Iranian Citrus deliciosa peels

Authors and affiliation (s):

Amir Siahpoosh,1* Fatemeh Javedani1

1Herbal medicine and natural products research center, Department of Pharmacognosy, Faculty of pharmacy, Ahwaz University of Medical Sciences, Ahwaz, Iran.


While there is growing attention towards the consumption of citrus fruits, because they appear to be associated with lower colorectal, esophageal, gastric cancers and stroke risks. This study was aimed at evaluating the in vitro antioxidant properties and phenolics content of Iranian C. deliciosa. Polyphenol’s total content was 92.08 ± 2.50. Tannic acid equivalent mg/g and the flavonoid total content was 4.55 ± 0.13. Rutin equivalents mg/g, DPPH (IC50: 0.358/ml), TEAC (TEAC value: 19.58), FRAP (EC1: 0.152 mg/ml), deoxyribose (IC50: 76 μg/ml) and xanthine/xanthine oxides’ methods (IC50: 94 μg/ml) were highly influenced by C. deliciosa. Results indicated that the herb can be used for the treatment of diseases related to radicals or, due to good antioxidant activity, as food additives.

Key words: Citrus deliciosa; Antioxidant; DPPH; FRAP; TEAC; Hydroxyl; Superoxide.


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