期刊
FOOD CHEMISTRY
卷 165, 期 -, 页码 300-306出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2014.05.107
关键词
Carotenoids; Microalgae; Antioxidant capacity; ORAC; Total phenolics
资金
- Australian Research Council, Australia
Carotenoids are associated with various health benefits, such as prevention of age-related macular degeneration, cataract, certain cancers, rheumatoid arthritis, muscular dystrophy and cardiovascular problems. As microalgae contain considerable amounts of carotenoids, there is a need to find species with high carotenoid content. Out of hundreds of Australian isolates, 12 microalgal species were screened for carotenoid profiles, carotenoid productivity, and in vitro antioxidant capacity (total phenolic content (TPC) and ORAC). The top four carotenoid producers at 4.68-6.88 mg/g dry weight (DW) were Dunaliella salina, Tetraselmis suecica, Isochrysis galbana, and Pavlova salina. TPC was low, with D. salina possessing the highest TPC (1.54 mg Gallic Acid Equivalents/g DW) and ORAC (577 mu mol Trolox Equivalents/g DW). Results indicate that T. suecica, D. salina, P. salina and L galbana could be further developed for commercial carotenoid production. (C) 2014 Elsevier Ltd. All rights reserved.
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