Effects of calcium, magnesium and sodium chloride in enhancing lipid accumulation in two green microalgae

Environmental Technology
Prakash Chandra GorainNirupama Mallick

Abstract

Biodiesel from microalgae has the potential as a sustainable fuel, since some species show exceptionally high lipid accumulation potential under various stresses. Effects of different concentrations of Ca, Mg and NaCl in the growth medium on biomass yield and lipid accumulation of Chlorella vulgaris and Scenedesmus obliquus grown under batch culture mode were investigated. Starvation of Mg showed a marginal rise in lipid content for a short period of time. Ca-starved cultures, however, demonstrated a profound rise in lipid content, i.e. 40% of dry cell wt. (dcw) was recorded against 11.9% control for C. vulgaris and 37% (dcw) against 11.3% for S. obliquus. Under increased concentration of Mg, significant rise in biomass and lipid yield was recorded. Effect of NaCl-induced osmotic stress showed lipid accumulation of approximately 40% (dcw) in both the test algae, whereas the biomass yield was severely affected. The fatty acid profiles under the above stresses were analysed and discussed.

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Citations

Jul 23, 2016·Frontiers in Microbiology·Nirupama MallickAkhilesh K Singh
May 22, 2019·Environmental Science and Pollution Research International·Madan Kumar MandalNeha Chaurasia
Jan 20, 2019·Environmental Science and Pollution Research International·Rashi VishwakarmaSudhir Saxena
Feb 3, 2020·Bioprocess and Biosystems Engineering·Le Thai HangTadashi Toyama
May 1, 2021·Frontiers in Plant Science·Elsinraju Devadasu, Rajagopal Subramanyam
May 1, 2021·Journal of Fungi·Simona DzurendovaVolha Shapaval
Sep 19, 2017·New Biotechnology·Fabrizio Di CaprioFrancesca Pagnanelli
Feb 6, 2020·Ecotoxicology and Environmental Safety·Zainab Naser HusseiniMohammad Amin Toghyani
Nov 2, 2021·Frontiers in Microbiology·Peng JinJianrong Xia

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Software Mentioned

MSTAT

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