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淡水微藻生物质是可生物利用的生物活性化合物的来源,具有抗氧化,抗高血压和抗糖尿病活性
Francyeli Araújo Silva1, Renally Lima Dos Santos1, Carlos Eduardo Barão2
1Laboratory of Microbial Processes in Foods, Federal University of Paraíba, João Pessoa, Brazil.
Food research international (Ottawa, Ont.)
|April 23, 2025
概括
诸如Chlorella vulgaris和Spirulina platensis这样的淡水微藻类富含营养,具有作为功能性食物的潜力. 它们的生物质含有有价值的氨基酸和脂肪酸,具有显著的抗氧化,抗糖尿病和抗高血压特性.
科学领域:
- 食品科学 食品科学 食品科学
- 生物技术是生物技术.
- 营养保健品 营养保健品
背景情况:
- 微藻是营养素和生物活性化合物的可持续来源.
- 人们对它们作为替代食品成分的使用越来越感兴趣.
- 评估它们的营养状况和健康益处至关重要.
研究的目的:
- 评估五种淡水微藻物种中氨基酸 (AA),脂肪酸 (FA) 和化合物 (PC) 的组成和生物可访问性.
- 为了确定这些微藻的体外抗氧化,抗高血压和抗糖尿病活性.
- 识别具有优越生物活性化合物概况和健康益处的物种.
主要方法:
- 在Chlorella vulgaris,Spirulina platensis,Scenedesmus acuminatus,Desmodesmus maximus和Tetraselmis sp.中对AA,FA和PC的组成分析 生物质.生物质.
- 在体外测定抗氧化能力 (Trolox等效),抗高血压活性 (ACE抑制) 和抗糖尿病活性 (α-氨酶和α-葡萄糖酶抑制).
- 评估关键化合物的生物可访问性.
主要成果:
- 微藻种类在化合物度上表现出差异,但具有相似的特征. 氨酸是最丰富的必需AA;棕酸和油性酸是主要的FA.
- 观察到高的FA生物可访问性 (>70%),与PC生物可访问性低 (<20%).
- 所有物种都表现出显著的抗糖尿病作用 (α-氨酶和α-葡萄糖酶抑制),抗高血压作用 (ACE抑制) 和抗氧化作用. 特定物种在某些化合物和活动中表现出优势 (例如,C. vulgaris用于PC,S. platensis用于FA,D. maximus用于AA,Tetraselmis sp. 对于氨酸和抗高血压活性).
结论:
- 微藻生物质是功能性食品必需氨基酸和脂肪酸的有希望的来源.
- 多样化的生物活性资料支持它们的应用,以准特定的健康益处.
- 研究结果强调了微藻产品在营养药和食品行业的商业潜力.
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