Qunli Yu

ORCID: 0000-0003-3631-0126
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About
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Research Areas
  • Calpain Protease Function and Regulation
  • Protein Hydrolysis and Bioactive Peptides
  • Meat and Animal Product Quality
  • Mitochondrial Function and Pathology
  • Collagen: Extraction and Characterization
  • Cell death mechanisms and regulation
  • Proteoglycans and glycosaminoglycans research
  • Sirtuins and Resveratrol in Medicine
  • Adipose Tissue and Metabolism
  • Muscle metabolism and nutrition
  • Biochemical effects in animals
  • Metabolism, Diabetes, and Cancer
  • Healthcare and Venom Research
  • Genetic and phenotypic traits in livestock
  • Microbial Metabolism and Applications
  • Pancreatic function and diabetes
  • Muscle Physiology and Disorders
  • Diphtheria, Corynebacterium, and Tetanus
  • Tea Polyphenols and Effects
  • Liver Disease Diagnosis and Treatment
  • Forensic Toxicology and Drug Analysis
  • Bee Products Chemical Analysis
  • Aldose Reductase and Taurine
  • Seed and Plant Biochemistry
  • Ziziphus Jujuba Studies and Applications

Gansu Agricultural University
2011-2024

Lanzhou Institute of Husbandry and Pharmaceutical Sciences
2021

Chinese Academy of Agricultural Sciences
2011-2021

China Agricultural University
2019

Animal Science Research Institute
2009

This study primarily explored the internal mechanism underlying ultrasonication-induced release of antioxidant peptides. An oxhide gelatin solution was treated ultrasonically (power = 200, 300, and 400 W), followed by enzymatic hydrolysis structural morphological analysis. The results showed that ultrasonication increased not only degree (DH) protein recovery rate but also ABTS radical scavenging, DPPH ferrous chelating, ferric reducing activities its hydrolysate. hydrolysate with 300-W had...

10.1016/j.ultsonch.2021.105738 article EN cc-by-nc-nd Ultrasonics Sonochemistry 2021-08-31

The objective of this study was to investigate the mechanism underlying lysosome-mediated apoptosis, cross-talk between lysosomes and mitochondria, effect pathway on bovine longissimus muscle tenderness during 7 d post-mortem aging through observation analysis dorsi (LD) muscles six crossbred cattle. Results showed that an elevated reactive oxygen species level ( P < 0.05) can damage lysosomal membrane stability accumulating redox-active iron aging. In addition, activities cathepsins B D...

10.1021/acs.jafc.9b00894 article EN Journal of Agricultural and Food Chemistry 2019-04-01

This study aimed to investigate the effect of Pyracantha fortuneana fruit extract (PFE) as a nitrite substitute on quality, flavor, contents biogenic amines and formation antioxidant peptides fermented beef sausages during storage. Compared with control group, treated PFE showed elevated L* a* values, enhanced activity, increased resistance microbial growth lipid protein oxidation. In particular, there were 2.44 ± 0.02 mg MDA/kg thiobarbituric acid reactive substances after 35 d....

10.1016/j.lwt.2024.116203 article EN cc-by-nc-nd LWT 2024-05-01

Purpose: The present study was designed to investigate the resistance determinants and virulence factors of 45 Trueperella pyogenes isolates from clinical bovine mastitis in Hexi Corridor Gansu, China. Methods: Minimum inhibitory concentrations (MICs) tested by E-test method. Gene antimicrobial resistance, integrase integron gene cassettes were determined PCR DNA sequencing. Results: T. exhibited high streptomycin (88.9%) tetracycline (64.4%), followed erythromycin (15.6%) gentamicin...

10.2147/idr.s433578 article EN cc-by-nc Infection and Drug Resistance 2024-05-01

The main objective of this study was to explore the effects dietary selenium yeast and jujube powder on mitochondrial oxidative damage cell apoptosis broilers during postmortem aging, chicken breasts fed diets supplemented with different concentrations were used as research subjects. With prolongation aging time, levels reactive oxygen species (ROS), carbonyl content, permeability transition pore (MPTP) openness, membrane increased significantly (P < 0.05). contents sulfhydryl, potential,...

10.1016/j.psj.2022.102072 article EN cc-by-nc-nd Poultry Science 2022-08-02

AimsTo investigate the effects of ohmic heating (OH) and water bath (WB) on membrane permeability, structure, intracellular organization leakage substances Escherichia coli O157:H7 at same inactivation level a temperature 72°C.

10.1111/jam.14411 article EN Journal of Applied Microbiology 2019-08-13

The elderly usually suffer from many diseases. Improving the quality of life is an urgent social issue. In this present study, D-galactose treated aging mice models were used to reveal effects different animal sources and doses whey protein (WP) on immune indexes organs intestinal flora. A total 9 groups set up, including normal control (NC), negative (NS), positive (Vc), low-, medium- high-doses cow WP intervention (CL, CM CH for short, correspondingly) goat (GL, GM GH correspondingly)....

10.1371/journal.pone.0248329 article EN cc-by PLoS ONE 2021-04-15

Although green tea catechin has been reported to be an antioxidant and preservative in meat, the extent which it affects tenderization of bovine muscle remains largely unknown. This study seeks evaluate effect on interplay between apoptosis autophagy, subsequently, development tenderness. The results indicate that significantly alleviated oxidative stress. A concomitant reduction autophagic markers LC3-II/LC3-I ratio, Beclin-1, Atg7 levels were caused by catechin. Besides, aforementioned...

10.1016/j.fochx.2023.100758 article EN cc-by-nc-nd Food Chemistry X 2023-06-23

To identify differentially expressed proteins associated with energy metabolism and tenderness during the postmortem aging of yak longissimus lumborum muscle samples, we collected tissue samples from yaks raised at different altitudes. At 12 h post-slaughter, identified 290 (DEPs) in these whereas 436 such DEPs were detected after 72 h. Identified clustered into four main functional categories: cell structural proteins, glycogen metabolic reserve cellular polysaccharide proteins. Further...

10.1038/s41598-021-90012-0 article EN cc-by Scientific Reports 2021-05-17
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