研究巴氏杀菌和选定的微生物启动剂对发酵桌面橄的功能特征的影响
Annamaria Tarantini1, Pasquale Crupi2, Francesca Anna Ramires3
1Consiglio Nazionale Delle Ricerche - Istituto di Scienze Delle Produzioni Alimentari, Unità Operativa di Lecce, 73100, Lecce, Italy; University of Bari, Soil, Plant and Food Science Department (Di.S.S.P.A), Bari, Italy.
Food microbiology
|June 5, 2024
概括
使用特定的微生物启动剂 (细菌和酵母) 优化食用橄的发酵增强了抗氧化特性. 不受控制的环境温度和消毒也改善了发酵黑橄的功能特征.
科学领域:
- 食品微生物学 食品微生物学
- 发酵科学 发酵科学
- 营养保健品 营养保健品
背景情况:
- 桌面橄是全球重要的发酵食品,也是地中海饮食的重要组成部分.
- 现代化橄发酵对于安全性,可再生性和增强健康益处至关重要.
- 消费者对食用橄的需求正在增加,这些橄具有改善的特性和积极的健康影响.
研究的目的:
- 评估不同微生物启动剂对发酵黑色桌面橄的酶,微生物和营养特征的影响.
- 研究受控与不受控制的环境温度和巴氏消毒对食用橄品质的影响.
- 确定特定的细菌和酵母菌株,以改善食用橄的技术和功能性质.
主要方法:
- 使用的初始培养包括细菌菌株 (Leuconostoc mesenteroides,Lactiplantibacillus plantarum) 和酵母菌株 (Saccharomyces cerevisiae,Debaryomyces hansenii).这些细菌菌株的使用是非常重要的.
- 发酵试验是在受控 (20°C) 和不受控制 (7-17°C) 的环境温度下进行的.
- 评估了酶活性,微生物特征,营养成分,发酵副产品,生物活性化合物,总含量和抗氧化活性. 评估了巴氏杀菌的影响.
主要成果:
- 启动驱动发酵显著增加了总含量和抗氧化剂活性.
- 包括Leuconostoc mesenteroides KT 5-1,Lactiplantibacillus plantarum BC T3-35,Saccharomyces cerevisiae 10A和Debaryomyces hansenii A15-44在内的特定菌株表现出优异的表现.
- 与恒定20°C相比,不受控制的环境温度 (7-17°C) 产生了更有前途的技术和功能性质.
- 经验证实,巴氏杀菌可以提高抗氧化化合物水平.
结论:
- 精选的细菌和酵母料可以有效地提高发酵黑色桌面橄的质量和促进健康的属性.
- 发酵过程中的自然环境温度波动可能比对某些质量参数的控制条件更有利.
- 消毒是提高食用橄抗氧化能力的重要一步.
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