Zhenjia Chen

ORCID: 0000-0003-0945-7544
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About
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Research Areas
  • Proteins in Food Systems
  • Food composition and properties
  • Analytical chemistry methods development
  • Meat and Animal Product Quality
  • Protein Hydrolysis and Bioactive Peptides
  • Radiopharmaceutical Chemistry and Applications
  • Pesticide Residue Analysis and Safety
  • Microencapsulation and Drying Processes
  • Analytical Chemistry and Chromatography
  • Phytase and its Applications
  • Microbial Inactivation Methods
  • Plant Surface Properties and Treatments
  • Biosensors and Analytical Detection
  • Microbial Metabolites in Food Biotechnology
  • Fermentation and Sensory Analysis
  • Enzyme Production and Characterization
  • Helicobacter pylori-related gastroenterology studies
  • Medical Imaging and Pathology Studies
  • Advanced Chemical Sensor Technologies
  • Biochemical Analysis and Sensing Techniques
  • GABA and Rice Research
  • Probiotics and Fermented Foods
  • Ionic liquids properties and applications
  • Cancer, Hypoxia, and Metabolism
  • Food Quality and Safety Studies

Shanxi Agricultural University
2013-2024

China Agricultural University
2016-2022

Beijing Advanced Sciences and Innovation Center
2020

Beijing Technology and Business University
2020

City University of New York
1995-2008

The Graduate Center, CUNY
2008

College of Staten Island
1995-2008

To investigate the impact of frozen storage conditions on physicochemical properties soybean protein and explore underlying mechanisms, this study focused isolate (SPI), ß-soybean companion globulin (7S), (11S). The solutions were prepared at a concentration 2% subjected to freezing for 1 5 days. Subsequently, content, properties, secondary structure, sulfhydryl chemical interaction forces assessed analyzed using UV spectrophotometry, Zeta potential measurements, SDS-PAGE, Fourier infrared...

10.3390/foods12142650 article EN cc-by Foods 2023-07-09

This study investigated the effect of inulin with different polymerization degrees (DP), including L-inulin (DP 2-6), M-inulin 10-23) and H-inulin 23-46), on structural gelation properties potato protein isolate (PPI). Results revealed that textural (hardness, cohesiveness, springiness chewiness) water-holding capacity (WHC) PPI-inulin composite gels were positively correlated DP addition content at 0-1.5% (

10.1016/j.fochx.2024.101405 article EN cc-by-nc Food Chemistry X 2024-04-23

The main purpose of this study was to investigate the effects HHP pressure on structure and physicochemical properties millet gliadin. its properties, structure, conformation were systematically studied by ultraviolet second derivative spectroscopy, fluorescence Fourier transform infrared particle size analysis. treatment changed spatial gliadin increased hydrophilicity gliadin, but it did not alter distribution subunits. surface charge protein aggregation degree protein, leading increase in...

10.1016/j.lwt.2021.112755 article EN cc-by LWT 2021-11-06

Rheological properties and gel characteristics of Sparassis crispa polysaccharides (SCPs) were investigated under various concentrations, temperature, pH, salt sucrose concentrations. SCP solutions behaved as shear thinning pseudoplastic fluids; apparent viscosity increased with concentrations but decreased extreme conditions was highest for 1% SCPs at 80 ℃ neutral conditions; 5% formed a hysteresis loop exhibited thixotropic properties. By oscillatory measurements, viscoelastic materials....

10.1080/10942912.2018.1510838 article EN cc-by International Journal of Food Properties 2018-01-01

To study the causes of beany off-flavor regeneration after fermented soymilk was thermal treated. Hexanal and analyzed using headspace solid phase microextraction. The hexanal removal during fermentation heat treatment soy protein solutions were analyzed. Soymilk contained both free protein-bound hexanal. Both 7 S 11 could bind to hexanal, amount bound approximately five times that S. pH decreased 4.5 or enzymatic hydrolysis effectively weaken binding protein, but not capable dissociating...

10.1111/jfpp.16555 article EN Journal of Food Processing and Preservation 2022-03-23

To explore the effect of micronization on structural, functional, and antioxidant properties wheat bran, bran with mean particle size (

10.3390/foods12010098 article EN cc-by Foods 2022-12-25

This work presents a novel and green analytical procedure involving deep eutectic solvent-based dispersive liquid-liquid microextraction with solidification of floating organic droplets (DES-DLLME-SFOD) followed by HPLC to measure three pyrethroids (bifenthrin, β-cypermethrin, deltamethrin) in cereal samples. Firstly, low-density hydrophobic DES was synthesized from thymol octanoic acid the molar ratio 1/4 this applied as extraction solvent DLLME avoid use toxic extractant. After...

10.1039/d0ay02121k article EN Analytical Methods 2020-12-30

The physicochemical and digestive properties of Pleurotus eryngiiprotein the effects heat treatment ultrasound on were investigated. property results showed that shear stress viscosity increased as protein concentration from 3 to 9 g/100 g raw materials decreased temperature 25°C 45°C. pH value 2.0 7.0 significantly affected state because change disulfide bond sulfhydryl content. might be held closer with higher at less coacervation bonds 3.5. addition calcium 0.01 0.05 mol/L into system...

10.1080/10942912.2018.1560309 article EN cc-by International Journal of Food Properties 2018-01-01

Abstract Background and Objectives Pulsed electric field (PEF) treatment is currently a hot spot in food science research. The improvement regulation of protein structure physicochemical properties after PEF are new development its processing technology. This study aimed to clarify the effects moderate‐intensity on foxtail millet ( Setaria italica ) prolamin action rules. Findings changed spatial conformation prolamin, increased hydrophobicity solubility alcohol solution, but did not change...

10.1002/cche.10614 article EN Cereal Chemistry 2022-10-17

Foxtail millet has been traditionally considered to possess gastroprotective effects, but studies evaluating its use as a treatment for gastric ulcers are lacking. Here, we assessed the antiulcer effects of foxtail protein hydrolysate (FPH) and explored mechanism by using blocking agents. In mouse model ethanol-induced ulcers, pretreatment with FPH reduced ulcerative lesion index, downregulated expression inflammatory cytokines in tissue, increased activity antioxidant enzymes, improved...

10.3390/antiox11122459 article EN cc-by Antioxidants 2022-12-14

A series of pyrazolo[4,3-d]pyrimidine sulfonamides and pyrazolo[3,4-d]pyrimidine have been synthesized. These compounds increase transcription a calcitonin-luciferase promoter production cellular calcitonin in calcitonin-secretion/RIA assay with minimized phosphodiesterase type 4 inhibitory activity at 30 microM as compared to structurally related xanthine methylene ketones such denbufyllene. two are notable examples small molecules that act CT-inducers, method potentially treat bone loss diseases.

10.1021/jm010554s article EN Journal of Medicinal Chemistry 2002-04-26

A method of effervescent-assisted dispersive liquid-liquid microextraction based on the solidification a floating organic droplet is reported. This approach was used to measure fungicides myclobutanil, tebuconazole and epoxiconazole in vinegar juice. Acidic juice reacted with carbonate produce effervescence situ, which then promoted contact sample extraction solvent. The 1-dodecanol solvent helped solidify droplets could be fully dispersed by effervescence. solvent, salt, carbonate, time...

10.1080/19440049.2018.1496281 article EN Food Additives & Contaminants Part A 2018-10-03
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