期刊
FOOD CHEMISTRY
卷 218, 期 -, 页码 335-340出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2016.09.082
关键词
Brassicaceae; Polyphenols; Antiproliferative; Antimicrobial; Vegetal waste
资金
- Italian MIUR [PON4a2_BeSave]
Two Brassicaceae (Eruca sativa, Brassica oleracea var. sabauda) were stored in air and under a modified atmosphere for several days after their expiry date and then analyzed. The polyphenol content and composition, as well as the antioxidant activity of the extracts, were assessed, compared to the fresh products. Antimicrobial properties on tester strains (Bacillus cereus, Escherichia coli, Staphylococcus aureus and Pseudomonas aeruginosa) and in vitro anti-proliferative activity were evaluated. The cabbage extracts exhibited antimicrobial activity mainly on the ninth day after the expiry date and retained significant inhibitory effects against colon carcinoma (CaCo-2) cells. The rocket salad extract exhibited antiproliferative but not antimicrobial activity. Overall, our results indicated that they might represent a good source of natural antioxidants with antimicrobial and anti-proliferative activity, also after their expiry date, suggesting their exploitation for the recovery of important biomolecules used in the food and health industry. (C) 2016 Elsevier Ltd. All rights reserved.
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