Compositions, antioxidant and antimicrobial activities of Helichrysum (Asteraceae) species collected from Turkey

被引：168

作者：

Albayrak, Sevil ^{[1
]}

Aksoy, Ahmet ^{[1
]}

Sagdic, Osman ^{[2
]}

Hamzaoglu, Ergin ^{[3
]}

机构：

[1] Erciyes Univ, Dept Biol, Art & Sci Fac, TR-38039 Kayseri, Turkey

[2] Erciyes Univ, Dept Food Engn, Fac Engn, TR-38039 Kayseri, Turkey

[3] Bozok Univ, Art & Sci Fac, Dept Biol, TR-66200 Yozgat, Turkey

来源：

FOOD CHEMISTRY | 2010年 / 119卷 / 01期

关键词：

Antimicrobial activity; Antioxidant activity; DPPH; Helichrysum; Phenolic component; METHANOL EXTRACTS; ESSENTIAL OIL; ANTIBACTERIAL; FLAVONOIDS; SPICES;

D O I：

10.1016/j.foodchem.2009.06.003

中图分类号：

O69 [应用化学];

学科分类号：

070301 [无机化学];

摘要：

The methanolic extracts of 16 Helichrysum species were investigated for their in vitro antioxidant, radical scavenging and antimicrobial activities. All the extracts showed strong antioxidant and radical scavenging activity. The highest total antioxidant capacity as ascorbic acid equivalents (AAE) of 194.64 mg/g dry extract was obtained for Helichrysum noeanum in the phosphomolybdenum assay. The highest IC50 value (7.95 mu g/ml) was observed for the extract of Helichrysum stoechas subsp. barellieri in the DPPH assay. The total phenolic contents of the extracts ranged from 66.74 to 160.63 mg gallic acid equivalents (GAE)/g dry extract. The major component present in the extracts was identified as chlorogenic acid followed by apigenin-7-glucoside and apigenin by HPLC analysis. All the extracts showed significant antimicrobial activity against microorganisms containing 13 bacteria and two yeasts in the agar diffusion method. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：114 / 122

页数：9

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