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Enhancement of glucose recovery from banana stem by 4-cycle enzymatic hydrolysis

Valorisation of banana waste into value-added products has gained an increasing interest since decades ago. To date, there is still limited information on the rational direction of banana stems, which are conventionally dumped and burnt at the field or disposed into water streams, leading to serious...

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Main Authors: Nurfaezzah, Amat Jafar, Nurashikin, Suhaili, Dayang Salwani, Awang Adeni
Format: Article
Language:English
Published: World Researchers Associations 2023
Subjects:
Q Science (General)
QR Microbiology
Online Access:http://ir.unimas.my/id/eprint/43475/3/Enhancement.pdf
http://ir.unimas.my/id/eprint/43475/
https://worldresearchersassociations.com/Archives/RJBT/Vol(18)2023/November%202023/Enhancement%20of%20glucose%20recovery%20from%20banana%20stem%20by%204-cycle.aspx
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spelling my.unimas.ir.434752023-11-30T01:59:22Z http://ir.unimas.my/id/eprint/43475/ Enhancement of glucose recovery from banana stem by 4-cycle enzymatic hydrolysis Nurfaezzah, Amat Jafar Nurashikin, Suhaili Dayang Salwani, Awang Adeni Q Science (General) QR Microbiology Valorisation of banana waste into value-added products has gained an increasing interest since decades ago. To date, there is still limited information on the rational direction of banana stems, which are conventionally dumped and burnt at the field or disposed into water streams, leading to serious environmental pollution. In this work, we present a novel approach to maximise the recovery of glucose from banana stem. Initially, the effect of substrate load (1%, 3%, 5%, 7% and 9%) on the enzymatic hydrolysis by liquozyme and spirizyme was investigated. Following that, 4-cycle enzymatic hydrolysis was performed and the recovery of glucose was determined for every cycle. The results showed that the optimum substrate concentration for the enzymatic hydrolysis of the banana stem was 1% (w/v) which gave the best hydrolysis yield. Evaluation of one to five cycles of enzymatic hydrolysis showed that the highest hydrolysis yield and rate were achieved during the fourth cycle, which was 2.3-fold and 4.4-fold compared to that achieved in the first cycle. Moreover, the glucose concentration recovered in the fourth cycle was 2.4-fold higher than that attained in the first cycle. Our results clearly showed the advantages of conducting multiple cycles of enzymatic hydrolysis of banana stems. In summary, this work presents a novel approach for maximising the glucose recovery from the banana stem where the method may also be applicable for recovering sugar from other agricultural wastes. World Researchers Associations 2023 Article PeerReviewed text en http://ir.unimas.my/id/eprint/43475/3/Enhancement.pdf Nurfaezzah, Amat Jafar and Nurashikin, Suhaili and Dayang Salwani, Awang Adeni (2023) Enhancement of glucose recovery from banana stem by 4-cycle enzymatic hydrolysis. Research Journal of Biotechnology, 18 (11). pp. 192-199. ISSN 2278-4535 https://worldresearchersassociations.com/Archives/RJBT/Vol(18)2023/November%202023/Enhancement%20of%20glucose%20recovery%20from%20banana%20stem%20by%204-cycle.aspx doi: https://doi.org/10.25303/1811rjbt01920199
institution Universiti Malaysia Sarawak
building Centre for Academic Information Services (CAIS)
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Sarawak
content_source UNIMAS Institutional Repository
url_provider http://ir.unimas.my/
language English
topic Q Science (General)
QR Microbiology
spellingShingle Q Science (General)
QR Microbiology
Nurfaezzah, Amat Jafar
Nurashikin, Suhaili
Dayang Salwani, Awang Adeni
Enhancement of glucose recovery from banana stem by 4-cycle enzymatic hydrolysis
description Valorisation of banana waste into value-added products has gained an increasing interest since decades ago. To date, there is still limited information on the rational direction of banana stems, which are conventionally dumped and burnt at the field or disposed into water streams, leading to serious environmental pollution. In this work, we present a novel approach to maximise the recovery of glucose from banana stem. Initially, the effect of substrate load (1%, 3%, 5%, 7% and 9%) on the enzymatic hydrolysis by liquozyme and spirizyme was investigated. Following that, 4-cycle enzymatic hydrolysis was performed and the recovery of glucose was determined for every cycle. The results showed that the optimum substrate concentration for the enzymatic hydrolysis of the banana stem was 1% (w/v) which gave the best hydrolysis yield. Evaluation of one to five cycles of enzymatic hydrolysis showed that the highest hydrolysis yield and rate were achieved during the fourth cycle, which was 2.3-fold and 4.4-fold compared to that achieved in the first cycle. Moreover, the glucose concentration recovered in the fourth cycle was 2.4-fold higher than that attained in the first cycle. Our results clearly showed the advantages of conducting multiple cycles of enzymatic hydrolysis of banana stems. In summary, this work presents a novel approach for maximising the glucose recovery from the banana stem where the method may also be applicable for recovering sugar from other agricultural wastes.
format Article
author Nurfaezzah, Amat Jafar
Nurashikin, Suhaili
Dayang Salwani, Awang Adeni
author_facet Nurfaezzah, Amat Jafar
Nurashikin, Suhaili
Dayang Salwani, Awang Adeni
author_sort Nurfaezzah, Amat Jafar
title Enhancement of glucose recovery from banana stem by 4-cycle enzymatic hydrolysis
title_short Enhancement of glucose recovery from banana stem by 4-cycle enzymatic hydrolysis
title_full Enhancement of glucose recovery from banana stem by 4-cycle enzymatic hydrolysis
title_fullStr Enhancement of glucose recovery from banana stem by 4-cycle enzymatic hydrolysis
title_full_unstemmed Enhancement of glucose recovery from banana stem by 4-cycle enzymatic hydrolysis
title_sort enhancement of glucose recovery from banana stem by 4-cycle enzymatic hydrolysis
publisher World Researchers Associations
publishDate 2023
url http://ir.unimas.my/id/eprint/43475/3/Enhancement.pdf
http://ir.unimas.my/id/eprint/43475/
https://worldresearchersassociations.com/Archives/RJBT/Vol(18)2023/November%202023/Enhancement%20of%20glucose%20recovery%20from%20banana%20stem%20by%204-cycle.aspx
_version_ 1784518372879237120
score 13.211869

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