Journal
FOOD RESEARCH INTERNATIONAL
Volume 100, Issue -, Pages 260-266Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.foodres.2017.06.069
Keywords
Algae; Blue-green algae; Carotenoids; Bioactive compounds; Antioxidant capacity; HPLC-PDA-MS/MS
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Funding
- National Academic Cooperation Program PROCAD/CAPES
- National Counsel of Technological and Scientific Development (CNPq) [552440/2011-6, 405640/2013-7]
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Carotenoids from cyanobacteria Aphanothece microscopica Nageli and green microalgae Chlorella vulgaris and Scenedesmus obliquus were identified. The total carotenoid content, based on dry weight of biomass, of A. microscopica Nageli, C. vulgaris and S. obliquus were 1398.88 mu g/g, 1977.02 mu g/g and 2650.70 mu g/g, respectively. A total of 23 different carotenoids were separated in all the extracts, the major ones being all-trans-beta-carotene (29.3%) and all-trans-lutein (28.1%) in Scenedesmus; all-trans-echinenone (22.8%) and all-trans-beta-carotene (17.7%) in Chlorella; all-trans-echinenone (28.3%) and all-trans-beta-carotene (26.2%) in Aphanothece. The carotenoid extracts were shown to be a potent scavenger of peroxyl radical, with values of 31.1 (Chlorella), 14.0 (Scenedesmus) and 7.3 (Aphanothece) times more potent than alpha-tocopherol.
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