黄曲霉毒素M1与益生菌细胞和细胞组分的结合

IF 0.8 4区农林科学 Q4 FOOD SCIENCE & TECHNOLOGY

Acta Alimentaria Pub Date : 2023-11-09 DOI:10.1556/066.2023.00139

C. Adácsi, Sz. Kovács, T. Pusztahelyi

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引用次数: 0

摘要

食品工业细菌细胞以不同的比例消除黄曲霉毒素M1 (AFM1)。本研究旨在探讨AFM1对工业益生菌(乳酸乳球菌)的影响。动物双歧杆菌R703;乳酸菌BB12和副乳杆菌亚种。paracasei 431)并评估其在天然污染牛奶中的AFM1结合能力。1.47 μg L−1浓度的AFM1对菌株R703的生长有影响。R703和BB12的肽聚糖(PG)细胞壁组分在处理1小时后结合了大量来自天然污染牛奶的AFM1，而副干酪乳杆菌431则没有效果。PG对AFM1的吸收能力优于BB12的活细胞，而对R703的吸收能力差异不显著。延长时间没有显著改变霉菌毒素与BB12的结合，而对R703 PG的吸收似乎是可逆的。BB12 PG在乳制品中的生物技术应用有待进一步分析。

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Aflatoxin M1 binding by probiotic bacterial cells and cell fractions

Abstract Food industrial bacterial cells eliminate aflatoxin M1 (AFM1) at different ratios. The study aimed to investigate the effect of AFM1 on probiotic industrial bacteria ( Lactococcus lactis ssp. lactis R703, Bifidobacterium animalis ssp . lactis BB12, and L. paracasei subsp . paracasei 431) and evaluating their AFM1 binding ability in naturally contaminated milk. The growth of the R703 strain was affected by AFM1 at 1.47 μg L −1 concentration. Peptidoglycan (PG) cell wall fractions of R703 and BB12 bound a significant amount of AFM1 from naturally contaminated milk under one-hour treatment, while L. paracasei 431 was not effective. PG was better absorbent for AFM1 than viable cells of BB12, while the difference was insignificant for the R703 strain. Increasing the time did not significantly change the mycotoxin binding of BB12, while for R703 PG the absorption seemed reversible. BB12 PG needs further analysis for biotechnological application in dairy products.

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来源期刊

Acta Alimentaria 农林科学-食品科技

CiteScore

1.80

自引率

0.00%

发文量

审稿时长

18-36 weeks

期刊介绍： Acta Alimentaria publishes original papers and reviews on food science (physics, physical chemistry, chemistry, analysis, biology, microbiology, enzymology, engineering, instrumentation, automation and economics of foods, food production and food technology, food quality, post-harvest treatments, food safety and nutrition).