(Pollachius virens) 残留物转化为蛋白质水解剂 - - 作为保存技术的化
Line Skontorp Meidell1, Rasa Slizyte2, Revilija Mozuraityte2
1Department of Biotechnology and Food Science, Norwegian University of Science and Technology (NTNU), 7012 Trondheim, Norway.
Foods (Basel, Switzerland)
|July 13, 2024
概括
通过分离来保存鱼内脏,可以获得蛋白质水解剂. 新鲜度是关键:在1天内使用原材料以获得最佳质量,因为更长的储存会影响蛋白质含量和氨基酸概况.
科学领域:
- 海洋生物技术 海洋生物技术
- 食品科学 食品科学 食品科学
- 生物化学工程是生物化学工程.
背景情况:
- 化是一种保存方法,用于将丢弃的鱼类副产品转化为有价值的蛋白质水解剂.
- 深海渔业产生大量的内脏,这给废物管理带来了挑战.
- 蛋白质水解剂在食品和料工业中具有多样化的应用.
研究的目的:
- 评估原材料分类和新鲜度对鱼 (Pollachius virens) 内脏分离蛋白质水解质量的影响.
- 评估含有酸的抗氧化剂对削过程的影响.
- 为了确定最佳的储存条件,鱼内脏在分离之前.
主要方法:
- 赛特内脏经过分离,肝脏分类和储存时间 (在4°C下0-3天) 有所不同.
- 分析了产生的蛋白质水解酸的质量参数,包括蛋白质含量,水解度 (DH),自由氨基酸 (FAA) 和总挥发性基本 (TVB-N).
- 还研究了添加含酸抗氧化剂的效果.
主要成果:
- 通过在分离前切除肝脏,蛋白质水解酸的产量略有增加.
- 从新鲜内脏 (第0天) 的水解物中观察到最高的蛋白质含量,随着储存而显著降低.
- 长期储存 (3天) 增加了DH,FAA和TVB-N,改变了FAA的组成 (例如,增加了谷氨酸,氨酸;减少了谷氨胺).
- 肝脏分类和抗氧化剂添加并没有显著影响研究的参数.
结论:
- 整个saithe内脏部分可以用于蛋白质水解盐的生产,而不会影响质量.
- 为了获得最佳质量,鱼内脏应该在4°C下存储最多1天,然后再分离.
- 原材料的新鲜度是影响蛋白质水解特性的关键因素.
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