期刊
JOURNAL OF BIOTECHNOLOGY
卷 241, 期 -, 页码 175-183出版社
ELSEVIER
DOI: 10.1016/j.jbiotec.2016.11.026
关键词
Microalgae mass culture; Antioxidant activity; Carotenoid; Fucoxanthin; Phenolic acids; PUFA profiles
资金
- Malaysian Ministry of Higher Education for Fundamental Research Grant Scheme [FRGS: 02-01-13-1224FR]
- Higher Institution Centre of Excellence (HICoE) Research Fund
- Ministry of Higher Education (MyBrain15) scholarship
- Asian Fisheries Society Kanazawa Research Fellowship
Natural antioxidants from sustainable sources are favoured to accommodate worldwide antioxidant demand. In addition to bioprospecting for natural and sustainable antioxidant sources, this study aimed to investigate the relationship between the bioactives (i.e. carotenoid arid phenolic acids) and the antioxidant capacities in fucoxanthin-producing algae. Total carotenoid, phenolic acid, fucoxanthin contents and fatty acid profile of six species of algae (five microalgae and one macroalga) were quantified followed by bioactivity evaluation using four antioxidant assays. Chaetoceros calcitrans and Isochrysis galbana displayed the highest antioxidant activity, followed by Odontella sinensis and Skeletonema costatum which showed moderate bioactivities. Phaeodactylum tricornutum and Saccharina japonica exhibited the least antioxidant activities amongst the algae species examined. Pearson correlation and multiple linear regression showed that both carotenoids and phenolic acids were significantly correlated (p < 0.05) with the antioxidant activities, indicating the influence of these bioactives on the algal antioxidant capacities. (C) 2016 Elsevier B.V. All rights reserved.
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