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开始培养物Pediococcus pentosaceus对非洲酸面粉平面面包发酵中的生物氨基含量和抗氧化剂活性的影响
Alaa Ahmed Alsiddig Hassan1, Young Hun Jin1, Jae-Hyung Mah1
1Department of Food and Biotechnology, Korea University, Sejong 30019, Republic of Korea.
Antioxidants (Basel, Switzerland)
|October 26, 2024
概括
两种Pediococcus pentosaceus菌株显著降低了非洲基斯拉面包中的生物氨基. 这些初始培养物还保持了抗氧化活性,增强了面包的安全性和健康功能.
科学领域:
- 食品微生物学 食品微生物学
- 食品化学 食品化学
- 发酵技术的发酵技术
背景情况:
- 发酵食品中的生物氨基酸 (BA) 存在健康风险.
- 非洲酵母面包是易受BA形成的.
- 乳酸细菌 (LAB) 可以调节BA水平并提高食品质量.
研究的目的:
- 为了评估Pediococcus pentosaceus菌株对kisra中的生物氨基含量的影响.
- 评估这些菌株对抗氧化剂指数 (DPPH清除活性,总含量) 的影响.
- 为了确定适合的初始种植物,以提高基斯拉面包质量.
主要方法:
- 隔离和鉴定来自基斯拉酸面粉的LAB菌株.
- 在BA生产/降解的基础上选择Pediococcus pentosaceus菌株 (K-B21,K-B01).
- 用选定的菌株对基斯拉进行注射,并监测BA水平.
- 测量DPPH清除活性和总含量.
主要成果:
- P. pentosaceus K-B21和K-B01完全抑制了提拉胺和尸体的形成.
- 普特雷辛,组胺,精氨酸和精氨酸的水平显著降低 (高达90%).
- DPPH清除活性仍然很高 (83-84%),总含量与对照组相比相当.
结论:
- P. pentosaceus K-B21和K-B01有效地控制了 kisra. 中的生物原氨基.
- 这些菌株维持或增强了基斯拉面包的抗氧化特性.
- 它们是初始培养的有希望的候选者,以提高基斯拉的安全和健康功能.
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