制备和表征基于纤维素的基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基
Zhipeng Meng1, Lei Wang1, Kai Jiang1
1School of Food Science and Engineering, South China University of Technology, Guangzhou 510641, China.
Gels (Basel, Switzerland)
|October 28, 2025
概括
来自种子外的修饰纤维素作为有效的凝剂,用于制造高性能油脂凝. 这种可持续的方法最大限度地减少了冰箱的使用,并将农业废物再循环.
科学领域:
- 食品科学 食品科学 食品科学
- 材料科学 材料科学 材料科学
- 可持续化学 可持续化学
背景情况:
- 油脂提供了传统脂肪的替代品,但通常需要大量的凝器.
- 种子是一种丰富的农业副产品,具有价值化潜力.
研究的目的:
- 使用最小的凝剂量开发高性能油脂凝.
- 通过将它们转化为功能性的基于纤维素的凝器来利用种子的外.
- 探索使用种子油体作为凝配方中的油相.
主要方法:
- 纤维素从种子中提取出来,并使用高压微流化 (HPM) 来改造以增强其性能.
- 种油体 (OBs) 通过糖糖辅助提取分离出来.
- 制备了含有不同度修饰纤维素 (MCL) 的OB乳液,并通过冷干燥和剪切转化为油脂凝.
主要成果:
- HPM显著增加了纤维素的特定表面积,水容量和膨胀能力.
- 配备≥0.45%MCL的类凝显示出优异的油结合能力 (>98.6%) 和强的凝强度 (G' > 105 Pa).
- 纹理分析证实了改善的纹理特性与增加的MCL含量.
结论:
- 来自种子外的修饰纤维素是一种高效,低使用的凝器,用于生产强大的油脂凝.
- 这种方法提供了一个可持续的策略,用于将种子外再循环转化为有价值的功能性食品成分.
- 开发的油脂凝对于需要富含营养,质地改进的脂肪替代品的应用具有前景.
相关概念视频
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Erwin Chargaff’s rules on DNA equivalence paved the way for the discovery of base pairing in DNA. Chargaff’s rules state that in a double-stranded DNA molecule,
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One of the common DNA damages is the chemical alteration of single bases by alkylation, oxidation, or deamination. The altered bases cause mispairing and strand breakage during replication. This type of damage causes minimal change to the DNA double helix structure and can be repaired by the base excision repair (BER) pathways. BER corrects damaged DNA sequences by removing the damaged base and restoring the original base sequence using the complementary strand as a template.
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