从各种海洋微藻中提取和描述生物活性化合物及其潜在的抗氧化活性
Linhui Zhou1, Xinyu Duan1, Kunning Li1
1School of Agriculture, Food and Ecosystem, Faculty of Sciences, The University of Melbourne, Parkville, 3010, VIC, Australia.
Chemistry & biodiversity
|October 5, 2023
概括
海洋微藻含有大量结合的化合物,这些化合物具有显著的抗氧化能力. 这项研究确定了物种之间独特的形状,具有潜在的工业应用.
科学领域:
- 海洋生物学 海洋生物学
- 植物化学 植物化学
- 食品科学 食品科学 食品科学
背景情况:
- 微藻中的化合物因其健康益处和工业潜力而得到认可.
- 了解化合物的分布和类型 (自由与结合) 对于优化提取和应用至关重要.
研究的目的:
- 为了比较海洋微藻物种中自由和结合的化合物.
- 评估这些化合物的抗氧化能力.
- 通过先进的分析技术来表征烯基资料.
主要方法:
- 总含量 (TPC),总黄含量 (TFC) 和总冷凝含量 (TCT) 的量化.
- 抗氧化剂活性测定包括DPPH,ABTS和FRAP.
- 使用液体染色学-质谱法 (LC-MS) 进行烯基分析.
主要成果:
- 结合的化合物比自由的化合物 (1.83-6.45 mg GAE/g dw) 显著高 (4.03-26.03 mg GAE/g dw).
- 在不同微藻物种中观察到含量和抗氧化能力的持续变化.
- LC-MS确定了10种,包括新型化合物,如4'-O-甲基-(-) -epigallocatechin 7-O-glucuronide和chrysoeriol 7-O-glucoside.
结论:
- 海洋微藻是一种丰富的结合化合物的来源,具有相当大的抗氧化活性.
- 在微藻物种中存在不同的样,提供多样化的应用.
- 新型化合物的鉴定为营养药和工业发展开辟了新的途径.
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