来自澳大利亚海藻的生物活性化合物及其对肠道健康的影响
Vigasini Subbiah1,2, Faezeh Ebrahimi2, Osman Tuncay Agar2
1Centre for Sustainable Bioproducts, Deakin University, Waurn Ponds, VIC, 3217, Australia.
Scientific reports
|July 2, 2025
概括
海藻的素对肠道微生物群和短链脂肪酸 (SCFA) 生产有积极的影响. 这项研究表明,特定的海藻化合物如何改变微生物群落,并在发酵过程中提高有益的SCFA水平.
科学领域:
- 海洋生物学 海洋生物学
- 微生物学 微生物学
- 营养科学 营养科学
背景情况:
- 海藻类醇显示健康益处,但它们的肠道相互作用尚不清楚.
- 了解生物利用率和微生物影响对于利用海藻的潜力至关重要.
研究的目的:
- 为了研究海藻基对肠道微生物群组成的影响.
- 在结肠发酵过程中分析短链脂肪酸 (SCFA) 生产.
- 描述不同海藻物种中的化合物.
主要方法:
- 在体外结肠发酵海藻物种 (Durvillaea potatorum,Phyllospora comosa,Cystophora siliquosa,Sargassum fallax) 超过48小时.
- 总化合物,黄,花素和抗氧化能力的量化 (FRAP,TAC,DPPH,ABTS).
- 对肠道微生物群结构,多样性和SCFA (酸,黄油酸,异酸) 生产的分析.
主要成果:
- 和黄含量在海藻物种和发酵时间之间存在显著差异.
- 不同物种的抗氧化能力在不同时间点达到峰值.
- 海藻补充剂改变了微生物群落结构,并显著增加了SCFA水平,特别是P. comosa.
结论:
- 海藻衍生的醇可以调节肠道微生物的组成和多样性.
- 特定的海藻增强了有益的短链脂肪酸的产生.
- 需要进一步研究海藻类的生物可用性和肠道健康影响.
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