Jia Ouyang

ORCID: 0000-0001-8479-8256
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About
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Research Areas
  • Biofuel production and bioconversion
  • Microbial Metabolic Engineering and Bioproduction
  • Catalysis for Biomass Conversion
  • Lignin and Wood Chemistry
  • Enzyme Catalysis and Immobilization
  • Advanced Cellulose Research Studies
  • Food composition and properties
  • Catalysis and Hydrodesulfurization Studies
  • Pancreatic function and diabetes
  • Electrochemical sensors and biosensors
  • Biodiesel Production and Applications
  • Microbial Metabolites in Food Biotechnology
  • GABA and Rice Research
  • Proteins in Food Systems
  • Natural Fiber Reinforced Composites
  • Polysaccharides and Plant Cell Walls
  • Zeolite Catalysis and Synthesis
  • Enzyme-mediated dye degradation
  • Polysaccharides Composition and Applications
  • Phytochemical Studies and Bioactivities
  • Enzyme Production and Characterization
  • Advanced Nanomaterials in Catalysis

Nanjing Forestry University
2009-2025

Hunan Agricultural University
2021-2023

Under mild conditions, formic acid effectively separates the components of lignocellulose, removing majority hemicellulose and lignin from cellulose. However, it has not yet been determined if multiple treatments with fresh may totally remove lignin. In this study, was used to repeatedly pretreat bamboo powder, effect on physicochemical structure powder investigated using changes in fractions, enzymatic hydrolysis, hydrophilicity, cellulose crystallinity, structure. Although hydrophilicity...

10.3390/molecules30020398 article EN cc-by Molecules 2025-01-18

Itaconic acid production by Aspergillus terreus (A. terreus) was investigated using the undetoxified enzymatic hydrolysate of steam-exploded corn stover as sole carbon source. The fermentation conditions for A. were optimized based on glucose Unfortunately, wild-type did not grow in hydrolysate. Therefore, atmospheric and room temperature plasma (ARTP) mutagenesis applied to obtain mutant AT-90. AT-90 grew secreted itaconic highest concentration (19.30 g/L) with a yield 36.01% obtained from...

10.15376/biores.11.4.9047-9058 article EN publisher-specific-oa BioResources 2016-09-08

To clarify the mechanisms underlying growth-promoting effects of yam polysaccharide on Streptococcus thermophilus (S. thermophilus), was extracted using a deep eutectic solvents (DESs) method and separated into four fractions by DEAE-cellulose 52. These were used as alternative carbon source to substitute lactose compare their S. thermophilus. Furthermore, molecular weight, monosaccharide functional groups' composition, microscopic forms other basic structure characterizations analyzed. The...

10.3390/foods10112698 article EN cc-by Foods 2021-11-04

Efficient component separation technology is one of the key ways to improve efficiency lignocellulose bioconversion. In this study, formic acid method was used separate components from Miscanthus lutarioriparius, hemicellulose degraded into xylose simultaneously, and composition structure separated were analyzed. Then, further purified with activated carbon for decolorization resins removal other monosaccharide impurities. The results showed that could effectively cellulose, hemicellulose,...

10.3390/app12031432 article EN cc-by Applied Sciences 2022-01-28

As an important agricultural waste, corn cob is one of the most abundant lignocellulosic biomass. In this work, dilute acid pretreatment using seven different organic acids were compared for compositional analysis cob... | Find, read and cite all research you need on Tech Science Press

10.32604/jrm.2019.07735 article EN cc-by JOURNAL OF RENEWABLE MATERIALS 2019-01-01

Mesoporous titanium dioxide (M-TiO2) and mercaptopropyl-functionalized M-TiO2 (SH-M-TiO2) were prepared as carriers for immobilization of β-glucosidase (BG). Analyses suggested that in SH-M-TiO2 the grafted mercaptopropyl groups attributed to about 3.5% total weight matrices. For BG, or powder was added with free BG solution stirred at 4 °C 8 h, followed by centrifugation washing. effectively immobilized on an enzyme activity 10.9 U/g, which 92.8% starting BG. (BG-SH-M-TiO2) more stable pH,...

10.1016/j.molcatb.2013.07.005 article EN cc-by-nc-nd Journal of Molecular Catalysis B Enzymatic 2013-07-15

The purpose of this study was to investigate an environmentally friendly and recyclable pretreatment approach that would enhance the enzymatic digestibility wheat straw. Wheat straw pretreated using self-sufficiency crude lactic acid obtained from hydrolysate fermentation by Bacillus coagulans. Experimentally, at low concentration could achieve a effect comparable commercial acid. After 180 °C for 60 min with 2% acid, hemicellulose be effectively separated high recovery cellulose ensured,...

10.2139/ssrn.4717046 preprint EN 2024-01-01
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