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高价值的棕藻提取物使用深度修养溶剂和微波辅助提取.

Meirielly Jesus1, Aloia Romaní1,2,3, Joana Santos1,4

  • 1CISAS-Center for Research and Development in Agrifood Systems and Sustainability, Instituto Politécnico de Viana do Castelo, Rua da Escola Industrial e Comercial Nun'Alvares 34, 4900-347 Viana do Castelo, Portugal.

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概括
此摘要是机器生成的。

结合微波辅助提取的深层欧特克溶剂有效地从宏藻中提取生物活性化合物. 这种绿色方法可以获得高价值的藻类提取物,并利用生物技术应用的剩余生物质.

关键词:
亚斯科菲勒姆结节体 (Ascophyllum nodosum) 是一种植物.拉米纳里亚超波雷亚 拉米纳里亚超波雷亚它具有抗微生物特性.生物活性化合物 生物活性化合物生物资源价值化 生物资源价值化深层欧性溶剂 深层欧性溶剂绿色化学 是一种绿色化学.微波取方式 微波取方式

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科学领域:

  • 海洋生物技术 海洋生物技术
  • 绿色化学 绿色化学
  • 生物质的价值化 生物质的价值化

背景情况:

  • 大藻类是生物活性化合物的丰富来源.
  • 需要可持续的提取方法来利用藻类的潜力.
  • 深度浸泡溶剂 (DES) 是一个有前途的绿色溶剂替代品.

研究的目的:

  • 研究DESs与微波辅助提取 (MAE) 结合的疗效,用于从*Ascophyllum nodosum*和*Laminaria hyperborea*提取生物活性化合物.
  • 为了评估不同的DES配方和提取参数.
  • 描述提取的化合物,并评估残留生物质的潜力.

主要方法:

  • 使用两个DES配方进行提取:胆化物/乳酸 (ChCl/LA) 和酸/乳酸 (AcNa/LA).
  • 在不同温度和时间下进行微波辅助提取 (MAE).
  • 总含量 (TPC) 和抗氧化活性 (DPPH,ABTS) 的量化.
  • 通过高性能液体染色学 (HPLC) 识别化合物.
  • 抗菌检测,里埃变换红外光谱 (FT-IR),热分析和扫描电子显微镜 (SEM).

主要成果:

  • DES-MAE有效地从两种藻类中提取了生物活性化合物.
  • *A. nodosum*与*L. hyperborea* (高达19.12 mg GAE/g DW) 相比,产生了更高的TPC (47.51 mg GAE/g DW) 和生物活性.
  • 在HPLC中发现了包括香草素和3,4-二基酸在内的显著的化合物.
  • 提取物显示出强烈的抗菌活性对*Clostridium perfringens*和适度的活性对*金黄色葡萄球菌*.
  • 来自*L. hyperborea*的残留生物质显示出生物能源应用的潜力.

结论:

  • DES-MAE是一种可持续和有效的绿色战略,用于从大藻中提取高价值化合物.
  • 该研究强调了藻类生物质在生产生物活性提取物和有价值的副产品方面的潜力.
  • 优化的DES-MAE条件可以最大限度地提高藻类提取物的产量和生物活性.