优化方法,以确定野生埃塞俄比亚野生植物中选定的植物化学物质和抗氧化活性
Tilahun Belayneh Asfaw1,2,3, Henock Woldemichael Woldemariam4,2, Mesfin Getachew Tadesse1,2
1Department of Industrial Chemistry, College of Applied Sciences, Addis Ababa Science and Technology University, P.O.Box 16417, Addis Ababa, Ethiopia.
Heliyon
|June 5, 2023
概括
埃塞俄比亚野生Syzygium guineense水果和种子是亚酸 (AA) 和抗氧化剂的丰富来源. 优化超声波辅助提取 (UAE) 有效地确定了这些化合物,突出了它们作为宝贵自然资源的潜力.
科学领域:
- 食品科学 食品科学 食品科学
- 自然产品化学 自然产品化学
- 分析化学 分析化学
背景情况:
- 埃塞俄比亚野生Syzygium guineense是一种未被充分利用的水果,具有潜在的健康益处.
- 亚酸 (AA),总含量 (TPC),总黄含量 (TFC) 和抗氧化活性是水果中的关键生物活性化合物.
- 优化提取方法对于准确量化这些化合物至关重要.
研究的目的:
- 优化超声辅助提取 (UAE) 参数,以确定S. guineense的AA,抗氧化活性 (EC50),TPC和TFC.
- 评估不同干燥条件对生物活性化合物的影响.
- 通过响应表面方法 (RSM) 验证优化的阿联方法.
主要方法:
- 使用超声波辅助提取 (UAE) 来提取生物活性化合物.
- 使用响应表面方法 (RSM) 来优化阿联的参数:提取时间,温度,溶剂成分和固体与溶剂的比率.
- 使用高性能液态色谱 (HPLC) 或光谱法来量化AA,TPC,TFC和EC50.
主要成果:
- 最佳的阿联参数被确定为15分钟的提取时间,35°C的温度,75:25%的甲醇:水溶剂组成,以及1:15 w/v的固体-溶剂比率.
- 对TPC,EC50和AA的实验和预测数据显示出良好的一致性,总体误差低于0.01%.
- 在S. guineense水果和种子中,平均TPC范围为581.25至1917.40毫克GAE/100g,EC50从4.02至155.73毫克/100g,AA从0.94至1.96毫克/毫升.
结论:
- 优化的阿联方法有效地从S. guineense.中提取和量化生物活性化合物.
- 埃塞俄比亚野生S. guineense水果和种子是一个有前途的替代性亚斯科布酸和抗氧化剂来源.
- 需要进一步研究这种未被充分利用的野生水果的利用.
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