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Isolation and characterization of quinoa antimicrobial peptides and its effect on the microbial diversity of fresh apple juice.
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Xinjiang Key Laboratory of Biological Resources and Genetic Engineering, College of Life Science and Technology, Xinjiang University, Urumqi 830017, China. Electronic address:
This study developed antimicrobial peptides (AMPs) from quinoa with high antibacterial activity and stability by mixed-bacteria fermentation. Furthermore, among 9 peptide fractions purified by membrane separation and chromatography, F1 could effectively inhibit the growth and propagation of bacterial microorganisms in apple juice. Subsequently, F1 identified LC-MS/MS as 95 peptides, molecular weights 494.
View Article and Find Full Text PDFRatiometric fluorescent probe and smartphone-based visual recognition for HO and organophosphorus pesticide based on Ce/Ce cascade enzyme reaction.
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Laboratory of Functional Polymers, School of Materials Science and Engineering, Linyi University, Linyi 276005, China. Electronic address:
Organicphosphorus is a ubiquitous pesticide that has potential hazards to human health and environmental well-being. Therefore, the precise identification of residues of organophosphorus pesticides (OPs) emerges as an urgent necessity. A ratiometric fluorescent sensor for the detection of OPs by leveraging the catalytic activities of Ce and Ce on the two fluorescent substrates 4-Methylumbelliferyl phosphate (4-MUP) and o-phenylenediamine (OPD) correspondingly was designed.
View Article and Find Full Text PDFAn integrated approach based on UHPLC-HRMS, H-NMR and sensory analysis reveals the exclusive lipid fingerprint of long-ripened protected designation of origin Coppa Piacentina.
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Department of Animal Science, Food and Nutrition, Università Cattolica del Sacro Cuore, Via Emilia Parmense 84, 29122 Piacenza, Italy.
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View Article and Find Full Text PDFEffects of various sterilization treatments on the structural and functional alterations of the epigallocatechin-3-gallate-casein complex.
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College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an 710119, Shaanxi, China. Electronic address:
The effects of dairy sterilization techniques (65 °C/30 min, 72 °C/15 s, 85 °C/15 s, 100 °C/5 min, and 121 °C/5 s) on the epigallocatechin-3-gallate-casein (EGCG-CS) complexes were investigated through the structural and functional characteristics in this work. Fourier transform infrared spectroscopy (FT-IR) detection showed the redshirting of the absorption peak suggested structural changes in the amide I area. Field emission scanning electron microscopy (FESEM) and viscosity measurements proved that treatments above 85 °C broke non-covalent bonds, leading to instability and low viscosity of EGCG-CS.
View Article and Find Full Text PDFCurdlan inclusion modifies the rheological properties and the helix-coil transition behavior of gelatin and increases the flexibility of gelatin films.
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College of Food Science and Engineering, Qingdao Agricultural University, Qingdao, Shandong 266109, China; School of Light Industry, Beijing Technology & Business University (BTBU), Beijing 100048, China; Shandong Ensign Industry Co., Ltd., Weifang, Shandong 262409, China. Electronic address:
Gelatin, a natural and edible polymer, has attracted wide attention for use in food and edible packaging applications. However, its inadequate properties, especially poor flexibility, limit its broader utilization. Hybridizing different polymers is a promising strategy to achieve enhanced properties.
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