Optimization of the culture condition of Bacillus mucilaginous using Agaricus bisporus industrial wastewater by Plackett–Burman combined with Box–Behnken response surface method

Abstract In the present study, conditions for Bacillus mucilaginous fermentation using Agaricus bisporus wastewater as culture medium were optimized. We analyzed the total number of living B. mucilaginous in the fermentation broth using multispectral imaging flow cytometry. Single-factor experiments...

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Main Authors: Jiafu Huang, Yixin Ou, Danfeng Zhang, Guoguang Zhang, Yutian Pan
Format: Article
Language:English
Published: SpringerOpen 2018-08-01
Series:AMB Express
Subjects:
Online Access:http://link.springer.com/article/10.1186/s13568-018-0671-7
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author Jiafu Huang
Yixin Ou
Danfeng Zhang
Guoguang Zhang
Yutian Pan
author_facet Jiafu Huang
Yixin Ou
Danfeng Zhang
Guoguang Zhang
Yutian Pan
author_sort Jiafu Huang
collection DOAJ
description Abstract In the present study, conditions for Bacillus mucilaginous fermentation using Agaricus bisporus wastewater as culture medium were optimized. We analyzed the total number of living B. mucilaginous in the fermentation broth using multispectral imaging flow cytometry. Single-factor experiments were carried out, where a Plackett–Burman design was used to screen out three factors from the original six factors of processing wastewater solubility, initial pH, inoculum size, liquid volume, culture temperature, and rotation speed that affected the total number of viable B. mucilaginous. The Box–Behnken response surface method was used to optimize interactions between the three main factors and predict optimal fermentation conditions. Factors significantly affecting the total number of viable B. mucilaginous, including shaking speed, culturing temperature, and initial pH, were investigated. The optimum conditions for B. mucilaginous fermentation in A. bisporus wastewater were a rotational speed of 195 rpm, culture temperature of 29 °C, initial pH of 6.5, solubility of 0.5%, 8% inoculation volume, and 90 mL liquid volume in a 250 mL flask, culture time of 48 h. Under these conditions, the concentration of total viable bacteria reached 2.16 ± 0.02 × 108 Obj/mL, which meets the national standard. A. bisporus wastewater can be used for the cultivation of B. mucilaginous.
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spelling doaj.art-b1a8da4052f9401eb948deb7595fe8f02022-12-21T22:42:41ZengSpringerOpenAMB Express2191-08552018-08-018111210.1186/s13568-018-0671-7Optimization of the culture condition of Bacillus mucilaginous using Agaricus bisporus industrial wastewater by Plackett–Burman combined with Box–Behnken response surface methodJiafu Huang0Yixin Ou1Danfeng Zhang2Guoguang Zhang3Yutian Pan4Engineering Technological Center of Mushroom Industry, Minnan Normal UniversityEngineering Technological Center of Mushroom Industry, Minnan Normal UniversityEngineering Technological Center of Mushroom Industry, Minnan Normal UniversityEngineering Technological Center of Mushroom Industry, Minnan Normal UniversityEngineering Technological Center of Mushroom Industry, Minnan Normal UniversityAbstract In the present study, conditions for Bacillus mucilaginous fermentation using Agaricus bisporus wastewater as culture medium were optimized. We analyzed the total number of living B. mucilaginous in the fermentation broth using multispectral imaging flow cytometry. Single-factor experiments were carried out, where a Plackett–Burman design was used to screen out three factors from the original six factors of processing wastewater solubility, initial pH, inoculum size, liquid volume, culture temperature, and rotation speed that affected the total number of viable B. mucilaginous. The Box–Behnken response surface method was used to optimize interactions between the three main factors and predict optimal fermentation conditions. Factors significantly affecting the total number of viable B. mucilaginous, including shaking speed, culturing temperature, and initial pH, were investigated. The optimum conditions for B. mucilaginous fermentation in A. bisporus wastewater were a rotational speed of 195 rpm, culture temperature of 29 °C, initial pH of 6.5, solubility of 0.5%, 8% inoculation volume, and 90 mL liquid volume in a 250 mL flask, culture time of 48 h. Under these conditions, the concentration of total viable bacteria reached 2.16 ± 0.02 × 108 Obj/mL, which meets the national standard. A. bisporus wastewater can be used for the cultivation of B. mucilaginous.http://link.springer.com/article/10.1186/s13568-018-0671-7Agaricus bisporus wastewaterBacillus mucilaginousMultispectral imaging flow cytometryPlackett–BurmanBox–Behnken response surface
spellingShingle Jiafu Huang
Yixin Ou
Danfeng Zhang
Guoguang Zhang
Yutian Pan
Optimization of the culture condition of Bacillus mucilaginous using Agaricus bisporus industrial wastewater by Plackett–Burman combined with Box–Behnken response surface method
AMB Express
Agaricus bisporus wastewater
Bacillus mucilaginous
Multispectral imaging flow cytometry
Plackett–Burman
Box–Behnken response surface
title Optimization of the culture condition of Bacillus mucilaginous using Agaricus bisporus industrial wastewater by Plackett–Burman combined with Box–Behnken response surface method
title_full Optimization of the culture condition of Bacillus mucilaginous using Agaricus bisporus industrial wastewater by Plackett–Burman combined with Box–Behnken response surface method
title_fullStr Optimization of the culture condition of Bacillus mucilaginous using Agaricus bisporus industrial wastewater by Plackett–Burman combined with Box–Behnken response surface method
title_full_unstemmed Optimization of the culture condition of Bacillus mucilaginous using Agaricus bisporus industrial wastewater by Plackett–Burman combined with Box–Behnken response surface method
title_short Optimization of the culture condition of Bacillus mucilaginous using Agaricus bisporus industrial wastewater by Plackett–Burman combined with Box–Behnken response surface method
title_sort optimization of the culture condition of bacillus mucilaginous using agaricus bisporus industrial wastewater by plackett burman combined with box behnken response surface method
topic Agaricus bisporus wastewater
Bacillus mucilaginous
Multispectral imaging flow cytometry
Plackett–Burman
Box–Behnken response surface
url http://link.springer.com/article/10.1186/s13568-018-0671-7
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