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Title: Production of ethanol, lipid and lactic acidfrom mixed agrowastes hydrolysate
Authors: Singh, Jyoti
Sharma, Abha
Sharma, Pushpendra
Tomar, Govind singh
Grover, Minakshi
Singh, Surender
Nain, Lata
Keywords: Oleaginous yeast; single cell oils; jute; mesta; bioethanol; lactic acid bacteria
Issue Date: 2022
Publisher: Natural Product Research
Abstract: To combat the shortage of single agro-residue and overcome the problem of seasonal availability, it is beneficial to use mixture of lignocellulosic biomasses. In the present study, efforts were made to use mixed lignocellulosic biomass for production of bioethanol, along with microbial lipids and lactic acid. Upon enzymatic hydrolysis of mixed biomass at varied proportions it was observed that mixture of paddy straw and jute in the ratio 3:1 resulted in best sugar yield (41.50 g/L) at 10% substrate loading. Ethanolic fermentation of mixed substrate hydrolysate by thermotolerant yeast, Saccharomyces cerevisiae JRC6 resulted in 8.39 g/L of ethanol. To maintain sustainability and economic impact, oleaginous yeast (Trichosporon mycotoxinivorans S2) and lactic acid bacteria (Lactobacillus plantarum LP-9) were used for lipid production (14.5 g/L) and lactic acid production (11.08 g/L), respectively. Therefore, this study explored the potential of mixed lignocellulosic biomass to be exploited for production of various value-added products.
Appears in Collections:School of Interdisciplinary & Applied Sciences

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