期刊
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
卷 56, 期 11, 页码 4205-4211出版社
AMER CHEMICAL SOC
DOI: 10.1021/jf072740y
关键词
Brassica oleracea L. var. costata DC; Brassicaceae; nitric oxide; peroxynitrite; phenolic compounds; ascorbic acid
The ability of tronchuda cabbage (Brassica oleracea L. var. costata DC) to act as a scavenger of the reactive nitrogen species nitric oxide and peroxynitrite was investigated. The aqueous extracts obtained from tronchuda cabbage seeds and from its external and internal leaves exhibited a concentration dependent scavenging capacity. The antioxidant potential observed against the two reactive species was as follows: seeds > external leaves > internal leaves. In order to establish a possible correlation with the chemical composition of the extracts, the activity of ascorbic and sinapic acids and kaempferol 3-O-rutinoside was also studied. Among the compounds tested, sinapic acid showed the strongest antioxidant activity against both species.
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