传统和非传统加工技术对草蜜中的化合物和多糖化合物的影响:关于稳定性的比较研究
Food chemistry
|January 25, 2026
概括
储存对草花蜜的质量的影响比热处理 (TT),欧米加热 (OH),高压处理 (HPP) 和脉冲电场 (PEF) 等加工方法更大. 这些因素影响着颜色,化合物和细胞壁.
科学领域:
- 食品科学 食品科学 食品科学
- 食品加工 食品加工 食品加工
- 营养化学 营养化学
背景情况:
- 热处理对于延长加工食品的保质期至关重要.
- 然而,这些治疗方法可以改变像草蜜这样的产品的营养和感官质量.
- 了解不同加工方法和储存对花蜜的影响对于质量保存至关重要.
研究的目的:
- 研究四种加工技术 - - 传统热处理 (TT),欧米加热 (OH),高压加工 (HPP) 和脉冲电场 (PEF) - - 对草花蜜的影响.
- 为了评估后续储存 (4°C60天) 对花蜜的化合物和细胞壁完整性的影响.
- 为了比较不同加工方法在储存期间保持花蜜质量的有效性.
主要方法:
- 在标准化微生物无活化下,使用TT,OH,HPP和PEF处理了草花蜜.
- 分析了颜色变化,总的化合物,特定的化合物 (proanthocyanidins,anthocyanins) 和细胞壁成分 (中性糖,银酸,pectin甲基化).
- 样品在4°C下保存60天,在加工后和储存后评估质量属性.
主要成果:
- 高压加工 (HPP) 在加工后立即显示最少的颜色变化.
- 传统热处理 (TT) 在储存期间最好保存颜色.
- 虽然HPP和欧米加热 (OH) 最初保留了最多的化合物,但在60天的储存后,TT优越.
- 储存期间发生了对安托素和亲安托素的显著降解,特别是在PEF和HPP之后.
- 细胞壁组件在储存期间均降解,pectin去甲基化增加,特别是在PEF和HPP之后.
结论:
- 储存条件对草花蜜质量的影响比初始加工方法更大.
- 脉冲电场 (PEF) 和高压处理 (HPP) 可能无法在储存期间完全禁用负责胺修饰的酶.
- 传统热处理 (TT) 在长时间储存期间,在草花蜜中保存颜色和化合物方面似乎最有效.
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