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Depolymerization of lignocellulose of oil palm empty fruit bunch by thermophilic microorganisms from tropical climate

Azman, Nadia Farhana and Megat Mohd. Noor, Megat Johari and Md. Akhir, Fazrena Nadia and Ang, May Yen and Hashim, Hazni and Othman, Nor'Azizi and Zakaria, Zuriati and Hara, Hirofumi (2019) Depolymerization of lignocellulose of oil palm empty fruit bunch by thermophilic microorganisms from tropical climate. Bioresource Technology, 279 . pp. 174-180. ISSN 0960-8524

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Official URL: http://dx.doi.org/10.1016/j.biortech.2019.01.122

Abstract

Previous studies on screening of lignin-degrading bacteria mainly focused on the ligninolytic ability of the isolated bacteria for the utilization of lignin monomers. In this study, we focused on the depolymerization of alkali lignin to prove the ability of the isolated thermophilic bacterial strains to utilize and depolymerize more than a monomer of alkali lignin within 7 days of incubation. Indigenous thermophilic bacterial isolates from the palm oil plantation were used to evaluate the depolymerization and utilization of alkali lignin. The confirmation of the bacterium-mediated depolymerization of oil palm empty fruit bunch was achieved through the removal of silica bodies, as observed with scanning electron microscopy. Stenotrophomonas sp. S2 and Bacillus subtilis S11Y were able to reduce approximately 50% and 20% of alkali lignin at 7 days of incubation without the requirement for additional carbon sources.

Item Type:Article
Uncontrolled Keywords:lignin, lignocellulose, thermophilic microorganism
Subjects:T Technology > TA Engineering (General). Civil engineering (General)
Divisions:Malaysia-Japan International Institute of Technology
ID Code:89225
Deposited By: Yanti Mohd Shah
Deposited On:22 Feb 2021 14:01
Last Modified:22 Feb 2021 14:01

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