Microbial community composition of food waste before anaerobic …
Anaerobic digestion is widely used to process and recover value from food waste. ... J.-Y. Microbial community structure reveals how microaeration improves fermentation during anaerobic co ...
A Review of the Processes, Parameters, and Optimization of Anaerobic …
Learn about the processes, parameters, and optimization of anaerobic digestion, a biological process that converts organic waste into biogas and fertilizer.
Anaerobic Solid-State Fermentation of Soybean Meal With
The study evaluated the impact of fermentation with Bacillus sp. on the nutritional quality of soybean meal (SBM) and the changes of bacterial community structure during fermentation.
Nutritional quality improvement of soybean meal by
Here, a two-stage solid-state fermentation process using Bacillus velezensis followed by Lactobacillus plantarum was developed to degrade antinutritional factors …
Dark fermentation as an environmentally sustainable WIN …
Feedstock benchmark for a two-stage dark fermentation-anaerobic digestion system. • Life Cycle Assessment methodology with changes in the system boundaries. • SBM as the energy sustainable process with the best environmental profile. ...
Awakening sleeping beauty: production of propionic acid in
Propionic acid is produced in E. coli via the sleeping beauty mutase operon under anaerobic conditions in rich medium via amino acid degradation. We observed that the sbm operon enhances amino acids degradation to propionic acid and allows E. coli to degrade isoleucine.
Molecules | Free Full-Text | Hydraulic Retention Time as an
The carboxylate platform is a sustainable and cost-effective way to valorize wastes into biochemicals that replace those of fossil origin. Short-chain fatty acids (SCFAs) are intermediates generated during anaerobic fermentation (AF) and are considered high-value-added biochemicals among carboxylates. This investigation aimed to produce …
Figure 1 from Anaerobic Solid-State Fermentation of …
FIGURE 1 | The distance from the edge of the colony to the edge of the transparent circle on skimmed milk plate. Values are expressed as averages ± SD. Different letters indicate significant differences (P < 0.05) among groups. - "Anaerobic Solid-State Fermentation of Soybean Meal With Bacillus sp. to Improve Nutritional Quality"
Awakening sleeping beauty: production of propionic acid in …
Awakening sleeping beauty: production of propionic acid in Escherichia coli through the sbm operon requires the activity of a methylmalonyl-CoA epimerase. ... PA production from amino acids degradation in anaerobic fermentation.
Improvement of soybean meal quality by one-step fermentation …
boulardii were used as probiotics in a one-stage mixed solid-state fermentation of SBM with anaerobic bag. The fermented broth of each strain with the maximum protease activity was used to inoculate SBM in large quantities instead of external water, and anaerobic fermentation was carried out with the addition of acid …
Study on synergistic fermentation of bean dregs and …
This study was conducted to obtain the optimal fermentation process to improve the nutritional value of bean dregs (BD) and soybean meal (SBM) using single-factor experiments and response surface methodology …
Effect of solid-state fermentation by three different Bacillus …
Analyses by sodium dodecyl sulfate-polyacrylamide gel electrophoresis and atomic force microscopy showed that macromolecule protein was degraded into small …
Combined Effects of Lactic Acid Bacteria and Protease on the
The improvement in the utilization rate and nutritional value of soybean meal (SBM) represents a significant challenge in the feed industry. This study conducted a 50 kg SBM fermentation based on the 300 g small-scale fermentation of SBM in early laboratory research, to explore the combined effects of lactic acid bacteria (LAB) and …
Two-stage fermentation of corn and soybean meal mixture by
Microbial treatment can reduce the antinutritional factors and allergenic proteins in corn-soybean meal mixture (CSMM), but the role of the microbial community in hypoallergenicity and digestibility during the fermentation process remains unclear. Therefore, the fermentation strains of Bacillus and LAB were determined, and the …
Anaerobic Solid-State Fermentation of Soybean Meal With
The study evaluated the impact of fermentation with Bacillus sp. on the nutritional quality of soybean meal (SBM) and the changes of bacterial community …
Anaerobic Solid-State Fermentation of Soybean Meal With …
Two-stage SBM fermentation process based on Bacillus velezensis 157 and Lactobacillus plantarum BLCC2-0015 is an effective approach to reduce ANFs content and improve …
Anaerobic solid-state fermentation with
Microbial fermentation is an effective method to degrade free-gossypol, which is a toxic substance restricting the utilization of cottonseed meal in animal husbandry. However, there are few researches on the nutritional effect and the change of bacterial community on cottonseed meal fermented with anaerobic solid-state fermentation.
Biochemical, genetic, and metabolic engineering strategies …
We recently reported the heterologous production of 1-propanol in Escherichia coli via extended dissimilation of succinate under anaerobic conditions through expression of the endogenous sleeping beauty mutase (Sbm) operon. In the present work, we demonstrate high-level coproduction of 1-propanol an …
Fermentation of soybean meal results in a net reduction of …
In brief, the process is based on a dual solid-state fermentation of Hi-Pro SBM using a combination of specific Aspergillus spp. and Bacillus spp. inoculum. Fermentation took place under semi-anaerobic conditions and prevailing ambient temperatures (25 – 35oC). Moisture levels during fermentation were maintained at 55% and fermentation ...
Construction of a novel anaerobic pathway in …
mutase (Sbm) cycle to construct a redox balanced and energy viable fermentation pathway for anaerobic propionate production. As the cryptic Sbm operon was over-expressed in E. coli MG1655 ...
Construction of a novel anaerobic pathway in Escherichia …
Results: In this study, we engineered E. coli by combining reduced TCA cycle with the native sleeping beauty mutase (Sbm) cycle to construct a redox balanced and energy viable fermentation pathway for anaerobic propionate production. As the cryptic Sbm operon was over-expressed in E. coli MG1655, propionate titer reached …
Effect of solid-state fermentation by three different Bacillus …
Background: Fermentation efficiency of thermophiles of Bacillus licheniformis YYC4 and Geobacillus stearothermophilus A75, and mesophilic Bacillus subtilis 10 160 on soybean meal (SBM), was evaluated by examining the nutritional and protein structural changes. Results: SBM fermentation by B. licheniformis YYC4, B. …
Anaerobic Respiration- Definition, Types, Steps, Equation, …
Anaerobic Respiration can be defined as the cellular respiration process occurring in an anoxic environment i.e. in the absence of oxygen.
Anaerobic Fermentation
Anaerobic fermentation is a complicated process that is natural and is carried out on microorganisms. Read this BiologyWise article to know what anaerobic fermentation is and some interesting facts about this process.
Mechanism of action, benefits, and research gap in …
This review details the mechanism of SBM fermentation and its impacts on animal health and discusses the recent trend in the application and emerging …
Improvement of soybean meal quality by one-step …
SBM was fermented by one-step mixed-culture solid state fermentation, and the protein quality of SBM was improved by protease hydrolysis and microbial activity …
Role of acid/alkali-treatment in primary sludge anaerobic fermentation
Role of acid/alkali-treatment in primary sludge anaerobic fermentation: Insights into microbial community structure, functional shifts and metabolic output by high-throughput sequencing ... to improve the pollutants removal and regenerate power energy. This study fabricated a sludge biochar material (SBM) to sequestrate the carbon of …
Preparation of sludge-corn stalk biochar and its enhanced anaerobic …
In this paper, sludge and corn stalk were selected to prepare sludge-based biochar as raw material, which was applied to anaerobic fermentation. The methanogenesis characteristics of anaerobic fermentation and the pH value change of fermentation broth are observed, and the kinetics of anaerobic fermentation process …
Fermentation and anaerobic respiration
Fermentation is another anaerobic (non-oxygen-requiring) pathway for breaking down glucose, one that's performed by many types of organisms and cells. In fermentation, the only energy extraction pathway is glycolysis, with one or …
Nutritional quality improvement of soybean meal by
Therefore, the ability of B. velezensis 157 to degrade ANFs and improve nutritional quality of SBM warrants further exploration, especially as part of a two-stage fermentation strategy combining both aerobic and anaerobic SSF (first stage, aerobic; second stage, anaerobic fermentation) to ultimately degrade ANFs and enhance SBM …