文献类型: 外文期刊
第一作者: Yao, Yang
作者: Yao, Yang;Sang, Wei;Ren, Guixing;Zhou, Mengjie
作者机构:
关键词: antioxidant capabilities;celery;flavonoids;phenolic acids
期刊名称:JOURNAL OF FOOD SCIENCE ( 影响因子:3.167; 五年影响因子:3.376 )
ISSN: 0022-1147
年卷期: 2010 年 75 卷 1 期
页码:
收录情况: SCI
摘要: Eleven cultivars of celery, belonging to 2 species, were collected and analyzed for their phenolic compound composition and antioxidant activities. Major phenolic acids identified in the extracts of these celeries were caffeic acid, p-coumaric acid, and ferulic acid, while the identified flavonoids ere apigenin, luteolin, and kaempferol. The contents of total phenolics were measured using a Folin Ciocalteu assay and the total antioxidant capacity was estimated by the 1,1-diphenyl-2-picrylhydrazyl radical (DPPH) and 2,2'-azino-bis-(3-ethylbenzthiazoline-6-sulphonic acid) (ABTS.(+)) methods. Apigenin was the major flavonoid in these samples and the most abundant phenolic acid was p-coumaric acid. Many of the investigated cultivars had high levels of phenolics and exhibited high antioxidant capacity. Among these II cultivars Shengjie celery had the highest antioxidant activity whereas Tropica had the lowest. An extremely significant positive correlation between the antioxidant activity and the contents of total flavonoids, total-phenolic acids, or total phenolics was observed in this study.
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