期刊
INTERNATIONAL JOURNAL OF FOOD PROPERTIES
卷 16, 期 5, 页码 1169-1178出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/10942912.2011.578319
关键词
Antihemolytic; Antioxidant activity; Flavonoid; Hyssopus officinalis L; Var; angustifolius; Nitric oxide
资金
- Mazandaran University, Iran
In this study, antioxidant and antihemolytic activities of ethanolic extract of flowers, leaves, and stems of Hyssopus officinalis L. Var. angustifolius were investigated employing different in vitro assay systems. Extracts showed good antioxidant activity. IC50 for 1,1-diphenyl-2-picryl hydrazyl radical-scavenging activity were 148.8 +/- 4.31 g mL1 for flowers, 79.9 +/- 2.63 g mL1 for stems, and 208.2 +/- 6.45 g mL1 for leaves. All extracts showed moderate iron (II) chelating ability. Extracts exhibited good antioxidant activity in the hemoglobin-induced linoleic acid model and also they were capable of scavenging hydrogen peroxide in a concentration dependent manner. Extracts showed good antihemolytic activity againts hydrogen peroxide-induced hemolysis (IC50 were 48.51 +/- 2.27 g mL1 for flowers, 19.47 +/- 0.73 g mL1 for leaves, and 63.1 +/- 2.65 g mL1 for stems). The total amount of phenolic compounds in the extracts was determined as gallic acid equivalents and total flavonoid content was calculated as quercetin equivalents from a calibration curve.
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