通过具有不同结构性质的饮食多糖体调节脂质代谢
Dafang Yin1, Yadong Zhong1, Huan Liu1
1State Key Laboratory of Food Science and Resources, China-Canada Joint Laboratory of Food Science and Technology (Nanchang), Key Laboratory of Bioactive Polysaccharides of Jiangxi Province, Nanchang University, 235 Nanjing East Road, Nanchang, Jiangxi 330047, China.
International journal of biological macromolecules
|May 14, 2024
概括
饮食中的多糖 (DPs) 通过各种机制有效降低血脂水平,包括抑制吸收和促进排泄. 这些天然化合物也对肠道微生物群产生积极影响,并减少氧化应激,为管理高脂血症提供了有前途的方法.
科学领域:
- 营养科学 营养科学
- 生物化学 生物化学
- 代谢健康 代谢健康
背景情况:
- 与高脂血症相关的慢性疾病 (肥胖,糖尿病,动脉样硬化,脂肪肝) 是全球重大健康挑战.
- 脂质代谢对于能量恒温至关重要,尤其是在压力下.
- 饮食中的多糖 (DPs) 显示出它们降脂效果的前景.
研究的目的:
- 审查DPs在超脂症个体中降低脂质水平的多方面的机制.
- 总结特定DP的降脂作用,并讨论结构-活性关系.
- 在降脂饮食应用中确定DP的未来方向.
主要方法:
- 对饮食中的多糖和脂质代谢研究的文献综述.
- 分析包括直接抑制脂质,增强分泌和酶调节在内的机制.
- 检查对肠道微生物群和氧化应激的间接影响.
- 具体DPs (例如β-葡萄糖,pectin) 和它们的结构性质的概述.
主要成果:
- 脂肪酸抑制脂质的吸收,促进分泌,并调节脂质代谢中的关键酶 (甘油三,胆固醇,脂肪酸氧化,胆酸合成).
- 通过调节肠道微生物群和减少氧化应激,DP间接改善脂质稳定.
- 像β-glucan和pectin这样的特定DPs表现出明显的降脂活动,受其结构的影响.
结论:
- 脱脂剂提供了一系列调节脂质代谢和改善高脂血症的机制.
- 了解DPs的结构-活性关系是优化其降脂潜力的关键.
- DPs代表了一类有价值的饮食成分,用于管理脂质疾病和促进新陈代谢健康.
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