Bioconversion of waste newspaper into fermentable sugars at different temperatures with Aspergillus niger cellulase concentrationsJ Boitumelo M Sibiya, J Pieter H van Wyk

The influence of the carbon source on metabolism and growth Clostridium aceticum was investigated, supplying either CO or fructose as sole source. acid solvent production patterns were determined under autotrophic heterotrophic conditions, elucidating effect pH substrate's bioconversion pattern. highest maximum specific rate observed with CO, organism's optimal reaching 0.052 h−1 an acetic conc...

Decreasing the dependence on fossil resources as raw materials for production of fuels, platform chemicals, and commodities is an imperative requirement today’s industry society in order to alleviate threats related climate change [...]

BACKGROUND Rice straw has shown to be a promising agricultural by-product in the bioconversion of biomass to value-added products. Hydrolysis of cellulose, a main constituent of lignocellulosic biomass, is a requirement for fermentable sugar production and its subsequent bioconversion to biofuels such as biobutanol. The high cost of commercial enzymes is a major impediment to the industrial app...

Rhapontigenin was produced from rhapontin isolated from a methanol extract of Rheum undulatum roots by enzymatic transformation. Rhapontin and rhapontigenin exhibited dose-dependent inhibition of tyrosinase activity and melanin synthesis in B16F10 melanoma cells, but the inhibitory activity of rhapontigenin was greater than that of rhapontin. Thus the bioconversion of rhapontin enhanced its abi...

BACKGROUND Brewer's spent grain (BG), a by-product of the brewing process, is attracting increasing scientific interest as a low-cost feedstock for many biotechnological applications. BG in the present study is evaluated as a substrate for lignocellulolytic enzyme production and for the production of ethanol by the mesophilic fungus Fusarium oxysporum under submerged conditions, implementing a ...

This study aimed to establish optimal conditions for a cell culture system that would allow the measurement of 18:3n-3 (ALA) bioconversion into n-3 long-chain polyunsaturated fatty acid (n-3 LC-PUFA), and to determine the overall pathway kinetics. Using rat hepatocytes (FaO) as model cells, it was established that a maximum 20:5n-3 (EPA) production from 50 µM ALA initial concentration was achie...

BACKGROUND Bark and bark-containing forest residues have the potential for utilization as raw material for lignocellulosic ethanol production due to their abundance and low cost. However, the different physical properties and chemical composition of bark compared to the conventionally used wood chips may influence the spruce-to-ethanol bioconversion process. This study assesses the impact of ba...

Bioconversion can enhance the functionality of efficacy. We made bioconversion material with black rice (Oryza sativa L.) and blueberry (Vaccinium crymbosum L.), using Lactobacillus plantarum (call BB). In this study, BB investigated anti-inflammatory immune-boosting effects through immune system control. Therefore, we efficacy in presence absence LPS (Lipopolysaccharide). LPS, inhibited nitric...