期刊
BIORESOURCE TECHNOLOGY
卷 214, 期 -, 页码 567-573出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2016.05.017
关键词
beta-Carotene; Fatty acid; Edible oil; Trentepohlia arborum; Microalga
资金
- Qingdao Institute of Bioenergy and Bioprocess Technology Director Innovation Foundation for Young Scientists [QIBEBT-DIFYS-201502]
During the study of Trentepohlia arborum it became clear that its cells are rich in lipids and carotenoids. Thus, lipid content, composition and fatty acids profiles in individual lipid classes, as well as pigment profiles, responding to different culture conditions, were further investigated. The results showed that the predominant carotenoids and lipid fraction in total lipid in this study was beta-carotene and TAG, respectively. The lipid content increased significantly under high light while nitrogen-replete conditions induced the highest carotenoids content. However, only with a double stress of high light and nitrogen-deficiency it was possible to maximize the productivities of both carotenoids and lipids. Carotenoids (mainly beta-carotene) accounted for ca. 5% of the microalgal lipid under the double stress. Data herein show the potential of T. arborum for the production of both lipids and carotenoids, and hence provide an appropriate way to produce different products from T. arborum. (C) 2016 Elsevier Ltd. All rights reserved.
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