Biodegradation of food waste using microbial cultures producing thermostable Α-amylase and cellulase under different pH and temperature

Mukesh Kumar Awasthi; Jonathan W C WONG; Sunil Kumar; Sanjeev Kumar Awasthi; Quan Wang; Meijing Wang; Xiuna Ren; Junchao Zhao; Hongyu Chen; Zengqiang Zhang

doi:10.1016/j.biortech.2017.06.160

Biodegradation of food waste using microbial cultures producing thermostable Α-amylase and cellulase under different pH and temperature

Mukesh Kumar Awasthi, Jonathan W C WONG, Sunil Kumar, Sanjeev Kumar Awasthi, Quan Wang, Meijing Wang, Xiuna Ren, Junchao Zhao, Hongyu Chen, Zengqiang Zhang^*

^*Corresponding author for this work

Department of Biology

Research output: Contribution to journal › Journal article › peer-review

93 Citations (Scopus)

Abstract

The aim of this work was to study the biodegradation of food waste employing thermostable α-amylase and cellulase enzymes producing bacteria. Four potential isolates were identified which were capable of producing maximum amylase and cellulase and belong to the amylolytic strains, Brevibacillus borstelensis and Bacillus licheniformis; cellulolytic strains, Bacillus thuringiensis and Bacillus licheniformis, respectively. These strains were selected based on its higher cell density, enzymatic activities and stability at a wide range of pH and temperature compared to other strains. The results indicated that 1:1 ratio of pre and post consumed food wastes (FWs) were helpful to facilitate the degradation employing bacterial consortium. In addition, organic matter decomposition and chemical parameters of the end product quality also indicated that bacterial consortium was very effective for 1:1 ratio of FWs degradation as compared to the other treatments.

Original language	English
Pages (from-to)	160-170
Number of pages	11
Journal	Bioresource Technology
Volume	248
DOIs	https://doi.org/10.1016/j.biortech.2017.06.160
Publication status	Published - Jan 2018

Scopus Subject Areas

Bioengineering
Environmental Engineering
Renewable Energy, Sustainability and the Environment
Waste Management and Disposal

User-Defined Keywords

Bacterial consortium
Cell density
Degradation
Enzyme activities
Food wastes

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.biortech.2017.06.160

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title = "Biodegradation of food waste using microbial cultures producing thermostable Α-amylase and cellulase under different pH and temperature",

abstract = "The aim of this work was to study the biodegradation of food waste employing thermostable α-amylase and cellulase enzymes producing bacteria. Four potential isolates were identified which were capable of producing maximum amylase and cellulase and belong to the amylolytic strains, Brevibacillus borstelensis and Bacillus licheniformis; cellulolytic strains, Bacillus thuringiensis and Bacillus licheniformis, respectively. These strains were selected based on its higher cell density, enzymatic activities and stability at a wide range of pH and temperature compared to other strains. The results indicated that 1:1 ratio of pre and post consumed food wastes (FWs) were helpful to facilitate the degradation employing bacterial consortium. In addition, organic matter decomposition and chemical parameters of the end product quality also indicated that bacterial consortium was very effective for 1:1 ratio of FWs degradation as compared to the other treatments.",

keywords = "Bacterial consortium, Cell density, Degradation, Enzyme activities, Food wastes",

author = "Awasthi, {Mukesh Kumar} and WONG, {Jonathan W C} and Sunil Kumar and Awasthi, {Sanjeev Kumar} and Quan Wang and Meijing Wang and Xiuna Ren and Junchao Zhao and Hongyu Chen and Zengqiang Zhang",

note = "Publisher Copyright: {\textcopyright} 2017 Elsevier Ltd",

year = "2018",

month = jan,

doi = "10.1016/j.biortech.2017.06.160",

language = "English",

volume = "248",

pages = "160--170",

journal = "Bioresource Technology",

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TY - JOUR

T1 - Biodegradation of food waste using microbial cultures producing thermostable Α-amylase and cellulase under different pH and temperature

AU - Awasthi, Mukesh Kumar

AU - WONG, Jonathan W C

AU - Kumar, Sunil

AU - Awasthi, Sanjeev Kumar

AU - Wang, Quan

AU - Wang, Meijing

AU - Ren, Xiuna

AU - Zhao, Junchao

AU - Chen, Hongyu

AU - Zhang, Zengqiang

PY - 2018/1

Y1 - 2018/1

N2 - The aim of this work was to study the biodegradation of food waste employing thermostable α-amylase and cellulase enzymes producing bacteria. Four potential isolates were identified which were capable of producing maximum amylase and cellulase and belong to the amylolytic strains, Brevibacillus borstelensis and Bacillus licheniformis; cellulolytic strains, Bacillus thuringiensis and Bacillus licheniformis, respectively. These strains were selected based on its higher cell density, enzymatic activities and stability at a wide range of pH and temperature compared to other strains. The results indicated that 1:1 ratio of pre and post consumed food wastes (FWs) were helpful to facilitate the degradation employing bacterial consortium. In addition, organic matter decomposition and chemical parameters of the end product quality also indicated that bacterial consortium was very effective for 1:1 ratio of FWs degradation as compared to the other treatments.

AB - The aim of this work was to study the biodegradation of food waste employing thermostable α-amylase and cellulase enzymes producing bacteria. Four potential isolates were identified which were capable of producing maximum amylase and cellulase and belong to the amylolytic strains, Brevibacillus borstelensis and Bacillus licheniformis; cellulolytic strains, Bacillus thuringiensis and Bacillus licheniformis, respectively. These strains were selected based on its higher cell density, enzymatic activities and stability at a wide range of pH and temperature compared to other strains. The results indicated that 1:1 ratio of pre and post consumed food wastes (FWs) were helpful to facilitate the degradation employing bacterial consortium. In addition, organic matter decomposition and chemical parameters of the end product quality also indicated that bacterial consortium was very effective for 1:1 ratio of FWs degradation as compared to the other treatments.

KW - Bacterial consortium

KW - Cell density

KW - Degradation

KW - Enzyme activities

KW - Food wastes

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U2 - 10.1016/j.biortech.2017.06.160

DO - 10.1016/j.biortech.2017.06.160

M3 - Journal article

C2 - 28709882

AN - SCOPUS:85021942459

SN - 0960-8524

VL - 248

SP - 160

EP - 170

JO - Bioresource Technology

JF - Bioresource Technology

ER -

Biodegradation of food waste using microbial cultures producing thermostable Α-amylase and cellulase under different pH and temperature

Abstract

Scopus Subject Areas

User-Defined Keywords

UN SDGs

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