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Assortment of Native Microalgae for Improved Biomass and Lipid Production on Employing Vegetable Waste as a Frugal Cultivation Approach for Biodiesel Application
Current Microbiology ( IF 2.3 ) Pub Date : 2021-09-06 , DOI: 10.1007/s00284-021-02643-1
Rathinasamy Karpagam 1 , Nagappan Abinaya 1 , Ramasamy Gnanam 2
Affiliation  

Enhanced biofuel production strategies from microalgae by employing affordable bio-waste usage are fetching significance, nowadays. This study examines the effect of VWE for enhanced biomass from new indigenous microalgal isolates, Asterarcys sp. SPC, Scenedesmus sp. KT-U, Scenedesmus sp. KTWL-A, Coelastrum sp. T–E, and Chlorella sp. TWL-B. The growth of microalgae in VWE-treated growth media showed considerable increase (1.14–2.3 folds) than control medium (without VWE). Further, two effective native microalgae were selected based on growth in VWE treatment, biomass productivity, and TAG accumulation through statistical clustering analysis. Mixotrophic batch cultivation of Scenedesmus sp. KT-U and Asterarcys sp. SPC cultivated using VWE treatment in the optimum concentration had produced significant average increase in BP (1.8 and 1.4 folds, respectively) than control (without VWE). Whereas in the lipid production phase, there was a noticeable increase in lipid yield in VWE-treated cells of lipid phase (231.8 ± 17.9 mg/L and 243.5 ± 25 mg/L) in Scenedesmus sp. KT-U and Asterarcys sp. SPC, respectively, than in control (140.5 ± 28 mg/L and 166.4 ± 23 mg/L) with considerable TAG accumulation. Thus, this study imparts strain selection process of native microalgae based on vegetable waste usage for improved yield of biomass and lipid amenable for cost-effective biodiesel production.



中文翻译:

利用植物废物作为生物柴油应用的节俭栽培方法,用于提高生物量和脂质生产的各种本地微藻

如今,通过使用负担得起的生物废物来增强微藻的生物燃料生产策略具有重要意义。这项研究检查了 VWE 对来自新的本土微藻分离株Asterarcys sp. 的生物量增加的影响。SPC,Scenedesmus sp。KT-U,Scenedesmus sp。KTWL-A, Coelastrum sp. T-E 和小球藻。TWL-B。微藻在 VWE 处理的生长培养基中的生长比对照培养基(无 VWE)显着增加(1.14-2.3 倍)。此外,通过统计聚类分析,基于 VWE 处理的生长、生物量生产力和 TAG 积累选择了两种有效的天然微藻。的混合营养分批培养栅藻sp. KT-U 和Asterarcys sp。以最佳浓度使用 VWE 处理培养的 SPC 比对照(无 VWE)产生了显着的 BP 平均增加(分别为 1.8 和 1.4 倍)。而在脂质生产阶段,有一个明显的增加脂质产量在脂质相(231.8±17.9 mg / L和243.5±25毫克/升)的VWE处理的细胞栅藻属。KT-U 和Asterarcys sp。SPC 分别比对照 (140.5 ± 28 mg/L 和 166.4 ± 23 mg/L) 有相当大的 TAG 积累。因此,本研究基于植物废物利用对天然微藻的菌株选择过程进行了介绍,以提高生物质和脂质的产量,从而实现具有成本效益的生物柴油生产。

更新日期:2021-09-06
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