Arabic gum-nitroso-hemoglobin as natural antimicrobial conjugates for enhanced preservability of minced beef subjected to freeze–thaw process: evidence from HS-SPME/GC–MS, LF-NMR, and docking analysis

IF 2.9 3区 农林科学 Q2 FOOD SCIENCE & TECHNOLOGY
Hammad Hamed Hammad Mohammed, Ibrahim Khalifa, Guofeng Jin, Meihu Ma, Mahmoud Salah, Sajid Maqsood
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引用次数: 0

Abstract

We elucidated the effects of nitroso-hemoglobin-Arabic gum (N–H + GA) conjugates on the quality and safety of inoculated minced beef during cold-storage by investigating their microbiological and chemical changes, volatile compounds and amino acid profile. Results showed that N–H + GA significantly reduced the total bacterial counts, Salmonella, Pseudomonas, and Staphylococcus on day 7 of stored minced beef (p ≤ 0.05). Meanwhile, with the increasing storage time, water relation time and water populace ratios also fluctuated. N–H + GA significantly declined the decreasing ratio of T21-values in refrigerated and freeze–thaw-refreeze minced beef compared to the inoculated beefs. Furthermore, N–H + GA (5 g/kg) maintained the levels of different amino acids, namely Glu, Cys, Asp, Thr, Ser, Ala, Ile, Leu, Tyr, Lys, His, and Arg. It also kept the volatile components than the control treatment after 3 weeks of frozen/refrozen storage. This is mostly due to the binding between hemoglobin-glycoprotein conjugates with myosin via H-bonds and electrostatic forces as supported by Lib-dock outcomes. Our results implied that using N–H + GA, as a natural colorant-based conjugate, could maintain the safety and quality of minced beef during freeze–thaw-refreeze.

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来源期刊
Journal of Food Measurement and Characterization
Journal of Food Measurement and Characterization Agricultural and Biological Sciences-Food Science
CiteScore
6.00
自引率
11.80%
发文量
425
期刊介绍: This interdisciplinary journal publishes new measurement results, characteristic properties, differentiating patterns, measurement methods and procedures for such purposes as food process innovation, product development, quality control, and safety assurance. The journal encompasses all topics related to food property measurement and characterization, including all types of measured properties of food and food materials, features and patterns, measurement principles and techniques, development and evaluation of technologies, novel uses and applications, and industrial implementation of systems and procedures.
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