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DOI10.1002/ep.13334
Mixotrophic cultivation of Scenedesmus dimorphus in sugarcane bagasse hydrolysate
Manzoor, Maleeha1,2,3; Ahmad, Qurat-ul-Ain4; Aslam, Ambreen5; Jabeen, Faiza3; Rasul, Azhar3; Schenk, Peer M.2; Qazi, Javed I.1
发表日期2019
ISSN1944-7442
EISSN1944-7450
英文摘要

Overuse of the fossil fuels to fulfill existing energy requirements has generated various environmental problems like global warming. Emergence of environmental issues due to burning of the fossil fuel resources has provoked researchers to explore alternative sources of fuel. In this scenario, microalgal biofuels could present a promising alternative fuel if produced cost-effectively without competing for freshwater resources and arable land. Aim of the present study was to grow microalgae by employing lignocellulosic waste for production of lipids. Scenedesmus dimorphus NT8c was chosen based on its ability to tolerate heat, rapid growth, and ease of harvesting by overnight settling. Biochemical composition and growth parameters of microalgae were analyzed when cultivated mixotrophically on sugarcane bagasse hydrolysate, a low-value agricultural by-product, that is, currently underutilized. Despite a slight increase in turbidity in the medium, S. dimorphus NT8c cultures raised mixotrophically in 5 g/L sugarcane bagasse hydrolysate displayed significantly higher growth rates compared to photoautotrophic cultivation with an overall biomass productivity of 119.5 mg L d(-1), protein contents of 34.82% and fatty acid contents of 15.41%. Thus, microalgae cultivated mixotrophically are capable of photosynthesizing while metabolizing and assimilating organic carbon, significant increases of biomass and lipid productivity can be achieved. However, high supplementation with organic carbon can result in unfavorable levels of turbidity and bacterial growth, reducing microalgal biomass productivity.


WOS研究方向Science & Technology - Other Topics ; Engineering ; Environmental Sciences & Ecology
来源期刊ENVIRONMENTAL PROGRESS & SUSTAINABLE ENERGY
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/102094
作者单位1.Univ Punjab, Zool Dept, Microbial Biotechnol Lab, Lahore, Pakistan;
2.Univ Queensland, Sch Agr & Food Sci, Algae Biotechnol Lab, Brisbane, Qld, Australia;
3.Govt Coll Univ Faisalabad, Dept Zool, Faisalabad, Pakistan;
4.Univ Educ, Div Sci & Technol, Lahore, Pakistan;
5.Univ Lahore, Dept Environm Sci, Lahore, Pakistan
推荐引用方式
GB/T 7714
Manzoor, Maleeha,Ahmad, Qurat-ul-Ain,Aslam, Ambreen,et al. Mixotrophic cultivation of Scenedesmus dimorphus in sugarcane bagasse hydrolysate[J],2019.
APA Manzoor, Maleeha.,Ahmad, Qurat-ul-Ain.,Aslam, Ambreen.,Jabeen, Faiza.,Rasul, Azhar.,...&Qazi, Javed I..(2019).Mixotrophic cultivation of Scenedesmus dimorphus in sugarcane bagasse hydrolysate.ENVIRONMENTAL PROGRESS & SUSTAINABLE ENERGY.
MLA Manzoor, Maleeha,et al."Mixotrophic cultivation of Scenedesmus dimorphus in sugarcane bagasse hydrolysate".ENVIRONMENTAL PROGRESS & SUSTAINABLE ENERGY (2019).
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