内源性脂质在热湿处理过程中调节香粉的结构和功能
Sijie Huang1, Jiarong Cao2, Lili Zheng1
1National Key Laboratory for Tropical Crop Breeding, Institute of Tropical Bioscience and Biotechnology, Chinese Academy of Tropical Agricultural Sciences, Haikou, Hainan 571101, China.
Food research international (Ottawa, Ont.)
|January 9, 2026
概括
香中的粉颗粒脂质 (SGL) 显著影响粉的结构和特性. 在热湿处理 (HMT) 后,保留SGL可以提高结晶性和耐性粉 (RS) 含量.
科学领域:
- 食品科学与技术 食品科学与技术
- 生物化学 生物化学
- 材料科学 材料科学 材料科学
背景情况:
- 粉颗粒脂质 (SGLs) 在粉结构和功能中起着至关重要的作用.
- 了解SGL的组成是修改各种应用中粉特性的关键.
研究的目的:
- 调查两个香品种 (巴西香 (BX) 和博达 (BD)) 的SGL成分.
- 评估SGL对粉结构,物理化学性质和热水处理 (HMT) 的反应的影响.
主要方法:
- 使用先进的分析技术对SGL子类和物种进行表征.
- 对粉颗粒形态和晶体结构的评估.
- 在HMT之前和之后评估物理化学性质和耐性粉 (RS) 含量.
主要成果:
- 确定了27个脂类子类和221种脂类,其中自由脂肪酸 (FFA),单甘油 (MG) 和二甘油 (DG) 是主要成分.
- 移除SGL增加了粉颗粒表面粗性和孔隙性,增强了晶体秩序.
- 在HMT后,保留SGL的粉样本显示晶度和RS含量显著更高 (BX:51.56%至61.93%;BD:57.70%至64.11%).
结论:
- SGLs作为香粉的结构和功能性质的调节者.
- 在HMT期间,SGLs的存在对于增强粉结晶性和RS形成至关重要.
- 这些发现为香粉的应用和修改提供了理论基础.
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