Cited by 26Enzyme Production and CharacterizationEnzyme Catalysis and ImmobilizationBiofuel production and bioconversion

Comparative growth potential of thermophilic amylolytic Bacillus sp. on unconventional media food wastes and its industrial application

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Saleh, Fareeha, Hussain, Ali, Younis, Tahira, Ali, Shahzad, Rashid, Muhammad, Ali, Ahmad, Mustafa, Ghullam, Jabeen, Faiza +3 more·2020·Saudi Journal of Biological Sciences

Abstract

Amylases take part with vital role in industries such as food, fermentation; starch processing, textile and paper etc. Increasing amylases demand, high nutrient expenditure and environmental pollution have forced to utilize agro-industrial residues as a low-cost feedstock for enzyme production. In present study, three soil samples were collected from agro-industrial waste dumping areas in District Faisalabad. Ten thermophilic bacterial isolates were separated at 55 °C on the basis of colonial morphology, three isolates (F6, F11, F17) showed prominent zone of clearance applying iodine test on starch agar plates. Bacterial isolate F-11 showed highest amylase activity with DNS method and molecularly identified through 16S RNA sequencing as Bacillus sp. with Accession number MH917294. Four unconventional food wastes (banana, lemon, mango and potato) pretreated with 0.8% sulphuric acid concentrations taking 1000 g/L weight released the highest sugars contents and phenolic components. Maximum amylase activity i.e. 29.23 mg/ml was achieved in mango waste at, 40 °C, with pH 6.0 and 0.17% nitrogenous source adding 8% inoculum size (2 days old) using Response Surface Methodology (RSM) for optimization. Crude amylase confirmed its efficiency in starch hydrolysis that suggested it as potential candidate for application in starch industries.

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Crossref · 10.1016/j.sjbs.2020.09.045

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  • High amylase enzyme activity (29.23 mg/mL) was reported on mango waste using Bacillus sp. F-11 bacteria.

    “High amylase enzyme activity (29.23 mg/mL) was reported on mango waste using Bacillus sp. F-11 bacteria [120].”

    From Food Waste Biorefinery: Pathway towards Circular Bioeconomy (2021) · cites this paper as [120]

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Authors
Saleh, F., Hussain, A., Younis, T., Ali, S., Rashid, M., Ali, A., Mustafa, G., Jabeen, F., AL-Surhanee, A. A., Alnoman, M. M., & Qamer, S.
Affiliations
  • Government College University, Faisalabad (PK)
  • University of Veterinary and Animal Sciences (PK)
  • Islamia University of Bahawalpur (PK)
  • Jouf University (SA)
  • Taibah University (SA)
Corresponding author
Jabeen, Faiza
Venue
Saudi Journal of Biological Sciences
Publisher
Elsevier BV
Published
2020-12
Volume
27
Issue
12
Pages
3499-3504
ISSN
1319-562X (ISSN-L)
OpenAlex
W3090785237
Cited by
26
References
34
Citations by year
2026: 1 · 2025: 6 · 2024: 3 · 2023: 6 · 2022: 5 · 2021: 4 · 2020: 1
FWCI
2.07
Type
journal article
Language
en
Open access
Locations
  • Saudi Journal of Biological Sciences (publishedVersion, cc-by-nc-nd)
  • PubMed Central (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biotechnology › Enzyme Production and Characterization
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Enzyme Catalysis and Immobilization
  • Physical Sciences › Engineering › Biomedical Engineering › Biofuel production and bioconversion
Keywords
thermophilic Bacillus, amylase production, food waste, agro-industrial waste, starch hydrolysis, banana waste, mango waste, potato waste, acid pretreatment, phenolic compounds, starch industry, enzyme production optimization, 16S rRNA identification

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