银河-EGCG物理复合体:分支度和分子量对结构和生理性质的影响
Wan Wang1, Junhui Chang1, Zhihui Zhang1
1State Key Laboratory of Food Nutrition and Safety, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin, 300457, China.
Carbohydrate polymers
|August 22, 2024
概括
像Galactomannan (GM) 这样的多糖类与EGCG等多相互作用,增强抗氧化和消化特性. 复杂的结构影响EGCG输送和肠道微生物群的益处,为功能性食品提供了洞察力.
科学领域:
- 食品科学 食品科学 食品科学
- 营养科学 营养科学
- 生物化学 生化学
背景情况:
- 多糖和多是植物中关键的生物活性化合物.
- 它们的协同作用和结构功能关系尚未完全理解.
- 了解这些相互作用对于开发功能性食品至关重要.
研究的目的:
- 为了阐明银河 (GM) - 甲基单体复合物的结构-性质相关性.
- 研究转基因分支和分子量 (Mw) 如何影响与多的相互作用.
- 评估这些复杂物对抗氧化剂活性,粉消化和肠道微生物群的生理影响.
主要方法:
- 合成了具有不同转基因结构的银河 (GM) - 甲基因单体复合物.
- 评估的聚醇吸附率和结合亲和力.
- 测量了抗氧化活性和粉消化抑制.
- 使用体外模型来评估结肠分娩和肠道微生物群发酵 (SCFA 生产).
主要成果:
- 较低分支的转基因 (locus bean gum) 显示出更高的EGCG吸附率 (19.42%).
- 有基聚醇 (EGCG,ECG) 与转基因生物形成键,增强吸附.
- EGCG复合改善了转基因的抗氧化活性和粉消化抑制.
- 较高的Mw GM (guar gum) 促进了EGCG的结肠分泌 (71.51%),而较低的Mw GM-EGCG复合体则促进了肠道微生物群的SCFA生产.
结论:
- 银河的结构显著影响其与EGCG等多的相互作用.
- 复合增强了转基因生物活性,并调节了EGCG的生理作用.
- 这些发现为设计针对性营养应用和功能性食品的多糖-多复合物提供了基础.
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