ArticleEnvironmental science and pollution research international2020
α-Amylase production by Tepidimonas fonticaldi strain HB23: statistical optimization and compatibility study for use in detergent formulations.
Article in Environmental science and pollution research international, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed, 8 citations in OpenAlex.
- Valorization of Cocoa and Peach-Palm Wastes for the Production of Amylases by Pleurotus pulmonarius CCB19 and Its Application as an Additive in Commercial Detergents.Applied biochemistry and biotechnology · 2025Article
- Detergent-stable amylase production byBiotechnology reports (Amsterdam, Netherlands) · 2023Article
- Optimization of β-1,4-Endoxylanase Production by anMolecules (Basel, Switzerland) · 2021Article
- Highly Efficient Computationally Derived Novel Metagenome α-Amylase With Robust Stability Under Extreme Denaturing Conditions.Frontiers in microbiology · 2021Article
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Authors and funding
11 authors at 4 institutions in 2 countries.
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Abstract
In a previous study, a thermostable α-amylase-producing bacterium (designated HB23) was isolated from an Algerian hydrothermal spring. In the present study, the native strain was subjected to a statistical optimization aimed at enhancing the α-amylase production. To achieve this, thirteen factors have been studied, among which are cultural and nutritional parameters. Wheat bran, a by-product of the grain milling industry, was the factor that positively influenced α-amylase production. A modified L27 Taguchi design was used to screen these factors. Furthermore, a Box-Behnken matrix, supplemented by the use of response surface methodology (RSM), allowed for the identification of optimum levels of the following factors: a 1% inoculum size, 15 g/L soluble starch, 5 g/L wheat bran, and 1 g/L tryptone. Optimized conditions resulted in an amylolytic activity of 320 U/mL, which is a tenfold increase when compared with unoptimized production level. Phenotypical and molecular identification of strain HB23 revealed its close relationship to various Tepidimonas strains, specifically to Tepidimonas fonticaldi. The crude enzyme preparation turned out to be compatible with various laundry detergents and led to a substantial improvement in their washing performance. A comparison of the performance of the crude enzyme preparation with that of the commercial α-amylase (Termamyl
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