通过Staphylococcus debuckii sp.从鱼中去除组胺. 从发酵鱼中分离出来的
Natthakan Rungraeng1, Kazuhisa Ohtaguchi2, Teerin Chysirichote3
1Unit of Food Packaging and Biomaterials, School of Agro-Industry, Mae Fah Luang University, Muang, 57100 Chiang Rai, Thailand.
Food technology and biotechnology
|November 29, 2023
概括
研究人员分离了能够降解鱼中的组胺素的Staphylococcus debuckii细菌. 优化条件将基因组胺去除率提高到73%,为消费者和制造商提高鱼的安全性和质量.
科学领域:
- 食品微生物学 食品微生物学
- 生物技术是生物技术.
- 食品化学 食品化学
背景情况:
- 鱼发酵可以产生组胺,导致过敏反应和监管问题.
- 目前的法规限制了组胺度,影响了鱼的质量,安全性和可销售性.
研究的目的:
- 开发一种方法,从鱼发酵后的鱼中去除组胺.
- 为了提高消费者鱼的安全性,并提高出口/国内销售潜力.
主要方法:
- 从鱼中分离并确定了降解组胺的细菌.
- 为最有效的分离物优化了组胺降解条件 (pH,温度,NaCl).
- 开发并验证了一种回归模型,用于鱼中去除组胺.
主要成果:
- 斯塔菲洛科克 (Staphylococcus debuckii) 被确定为最强大的组胺降解细菌.
- 在优化的条件下 (pH7.5,20°C),胰岛素的去除达到73%.
- 回归模型准确地预测了基因组胺的去除,误差为<10%.
结论:
- 可以使用 Staphylococcus debuckii 来减少鱼类产品中积累的组胺.
- 这种微生物技术提高了鱼的安全性和监管合规性.
- 该方法适用于其他含胺含量高的液体食品.
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