微波HTST消毒对母乳成分的影响
Dorota Martysiak-Żurowska1, Bogumiła Kiełbratowska2, Elena Sinkiewicz-Darol3,4
1Department of Chemistry, Technology and Biotechnology of Food, Faculty of Chemistry, Gdansk University of Technology, Gdańsk, Poland.
The Journal of dairy research
|January 16, 2026
概括
高温短时间 (HTST) 杀菌有效保存母乳 (HM). 微波加热 (MHTST) 显示了与标准方法 (CHTST) 相似的结果,对关键HM组件的负面影响较少.
科学领域:
- 食品科学 食品科学 食品科学
- 生物化学 生物化学
- 营养科学 营养科学
背景情况:
- 人母乳 (HM) 对于婴儿的营养和健康至关重要.
- 保存方法,如高温短时间 (HTST) 消毒对于牛奶库的HM安全至关重要.
- 将新型加热技术与标准方法进行比较对于优化HM保存至关重要.
研究的目的:
- 为了比较微波 (MHTST) 和对流 (CHTST) HTST消毒对母乳成分的影响.
- 评估这些方法对宏观营养素,脂肪酸,乳酸,维生素C,酶和α-amylase活性的影响.
- 为了评估脂质氧化和母乳巴氏消化后抗氧化性质的变化.
主要方法:
- 人类牛奶样本使用微波 (MHTST) 和标准对流加热 (CHTST) 两种方法进行HTST消毒.
- 分析包括对宏观营养素,脂肪酸 (FA),乳酸铁素 (LF),维生素C和酶 (LZ) 的量化.
- 进行了α-氨酶 (α-A) 的酶活性测定和脂质氧化和抗氧化能力的评估.
主要成果:
- 宏观营养素,FA含量,LZ活性和抗氧化特性在很大程度上不受MHTST和CHTST的影响.
- 维生素C显著下降 (42.6%MHTST,50.2%CHTST),α-A活性显示较小的减少 (6.0%MHTST,7.2%CHTST).
- 只有CHTST (42.3%的减少) 显著降低了LF含量,而MHTST对HM组件没有显著的负面影响.
结论:
- HTST消毒,特别是MHTST,是保存母乳的一种可行的方法.
- 微波HTST巴氏杀菌方法比对流方法具有潜在的优势,保留了更多的生物活性成分,如乳酸.
- MHTST为母乳银行提供了一个有希望的,可能更经济的技术,以确保牛奶的安全性和质量.
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