Long-chain alcohols derived from the microalga Monoraphidium
Xuewei Yang,Xin Dai,Rui Zhang,Cong Shao,Shu Geng,Guangyi Chen,Xianhua Liu,Guangyi Wang
Abstract
This study was to investigate the composition and characteristics of long-chained alcohols extracted from the algal strain Monoraphidium 3s35. The production of biomass was optimized using different cultivation methods. Under the aerated growth condition, this strain yielded up to 37.26% extracts of dry weight and 576 mgL-1 biomass. The major compounds of the extracts are mainly long-chained alcohols (89.24%), with carbon chain length ranging from 12 to 20. Interestingly, or the long-chained alcohols, 3-(2-Methoxyethyl)-1-nonanol, 3,7,11, 15-Tetramethyl-2-hexadecen-1-ol and oleyl alcohol accounted for 53.68%, 23.45%, and 12.11%, respectively. Because of their amphipathic nature, these long-chained alcohols have been widely used in bioenergy production and cosmetics industry. Furthermore, Monoraphidium 3s35 produced 9.73% of C17 and C20 alkanes, which can be used as an important supplement for the petrodiesel-like fuel.
(1) Xuewei Yang, Xin Dai, Rui Zhang, Cong Shao, Shu Geng and Guangyi Wang: Key Engineering Laboratory for Algal Biofuels, School of Environment and Energy, Peking University Shenzhen Graduate School, Shenzhen 518055, China;
(2) Guangyi Chen, Xianhua Liu and Guangyi Wang: Tianjin University Center for Marine Environmental Ecology, school of Environmental Science and Engineering, Tianjin University, Tianjin 300072, China;
(3) Guangyi Wang: Department of Microbiology, University of Hawaii at Manoa, Honolulu, HI 96822, USA.
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