Biocatalytic Conversion of Lignocellulosic Water Hyacinth Biomass by Phanerochaete chrysosporium for Sustainable Ethanol Production

IF 2.8 3区化学 Q2 CHEMISTRY, APPLIED

Topics in Catalysis Pub Date : 2024-05-01 DOI:10.1007/s11244-024-01952-6

Ramasamy Muthukrishnan Gobinath, Chinnathambi Pothiraj, Ramasubramanian Arumugam, Periyasamy Periyakaruppiah, Daoud Ali, Saud Alarifi, Veeramani Veeramanikandan, Bhathini Vaikuntavasan Pradeep, Van-Huy Nguyen, Paulraj Balaji

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Abstract

Water hyacinth (Eichhornia crassipes) as a aquatic weed has become a source of concern for value addition. This study aimed to determine the feasibility of the weedy biomass in sustainable bioethanol production using Phanerochaete chrysosporium and Saccharomyces cerevisiae. The results indicated that P. chrysosporium significantly utilized 70.9% of cellulose and 70% of hemicellulose from raw lignocellulose of water hyacinth with significant microbial enzyme production of 1.26 IU/ml. Moreover, the microbial treatment resulted in a significant amount of soluble protein (194.30 mg/g) and reducing sugar (34.20 g/l). XRD, SEM and FTIR analyses revealed that the crystalinity of cellulose was increased with the microbial treatment and hence, the yield of sugar also. Under submerged fermentation, Saccharomyces cerevisiae produced a maximum of 20.17 g/l of ethanol. The promising results of the present study explored the microbial treatment with P. chrysosporium and fermentation with S. cerevisiae as a successful and sustainable method for ethanol production from lignocellulosic weedy biomass.

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Phanerochaete chrysosporium 通过生物催化转化木质纤维素水葫芦生物质以实现可持续乙醇生产

布袋莲（Eichhornia crassipes）作为一种水生杂草，已成为人们关注的增值来源。本研究旨在确定利用菊孢扇藻和酿酒酵母可持续生产生物乙醇的可行性。结果表明，菊孢扇藻能显著利用布袋莲原料木质纤维素中 70.9% 的纤维素和 70% 的半纤维素，微生物酶产量高达 1.26 IU/ml。此外，微生物处理还产生了大量可溶性蛋白质（194.30 毫克/克）和还原糖（34.20 克/升）。X射线衍射、扫描电镜和傅立叶变换红外光谱分析显示，纤维素的结晶度随微生物处理而增加，因此糖的产量也随之增加。在浸没发酵过程中，酿酒酵母产生的乙醇最高达 20.17 克/升。本研究的结果很有希望，它探讨了用蛹虫草菌进行微生物处理和用酿酒酵母菌进行发酵，作为从木质纤维素杂草生物质中生产乙醇的一种成功且可持续的方法。

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来源期刊

Topics in Catalysis 化学-物理化学

CiteScore

5.70

自引率

5.60%

发文量

197

审稿时长

2 months

期刊介绍： Topics in Catalysis publishes topical collections in all fields of catalysis which are composed only of invited articles from leading authors. The journal documents today’s emerging and critical trends in all branches of catalysis. Each themed issue is organized by renowned Guest Editors in collaboration with the Editors-in-Chief. Proposals for new topics are welcome and should be submitted directly to the Editors-in-Chief. The publication of individual uninvited original research articles can be sent to our sister journal Catalysis Letters. This journal aims for rapid publication of high-impact original research articles in all fields of both applied and theoretical catalysis, including heterogeneous, homogeneous and biocatalysis.