可食用微藻作为神经保护化合物的新来源,采用快速生物溶剂提取方法获得
Melis Cokdinleyen1,2, Gerardo Alvarez-Rivera1, Jose Luis González Tejera1
1Laboratory of Foodomics, Institute of Food Science Research, CIAL, CSIC-UAM, Nicolas Cabrera 9, 28049 Madrid, Spain.
International journal of molecular sciences
|April 13, 2024
概括
绿色溶剂有效地从新型食物来源Tetraselmis chuii中提取神经保护化合物. 优化的提取物显示出显著的抗胆激素,抗氧化剂和抗炎作用,没有观察到毒性,突出了它们的营养药物潜力.
科学领域:
- 海洋生物技术 海洋生物技术
- 自然产品化学 自然产品化学
- 神经科学是一个神经科学.
背景情况:
- 泰特拉塞尔米斯 (Tetraselmis chuii) 是一种经欧盟食品安全局批准的微藻,在全球营养药生产中获得了吸引力.
- 研究从T. chuii中提取生物活性化合物的可持续提取方法对于其更广泛的应用至关重要.
- 微藻提取物的神经保护性质对食补充剂和功能性食品有很大的兴趣.
研究的目的:
- 探索来自Tetraselmis chuii的生物活性化合物的神经保护潜力.
- 通过压力液体提取 (PLE) 和超临界流体提取 (SFE) 使用绿色生物基溶剂 (乙酸和环甲基乙烯) 来优化提取条件.
- 为了评估抗胆固醇,反应性氧/物种 (ROS/RNS) 清除和提取物的抗炎活性.
主要方法:
- 使用乙烯酸乙酸 (AcOEt) 和环甲基乙烯 (CPME) 进行了压力液提取 (PLE) 和超临界液提取 (SFE).
- 使用响应表面方法来优化PLE参数 (温度,溶剂组成) 对于神经保护活动.
- 提取物被化学表征为胡卜素和omega-3多不和脂肪酸 (PUFA);细胞毒性测定在HK-2和THP-1细胞系进行.
主要成果:
- 优化的PLE条件产生了具有高抗胆和ROS/RNS清除能力的提取物 (40°C,CPME中34.9%的AcOEt).
- 在20分钟内,在更高的温度和AcOEt度 (180°C,CPME中54.1%的AcOEt) 中获得具有强烈抗炎功能的提取物.
- 化学分析证实了神经保护性胡卜素和omega-3PUFAs的存在,具有有利的ω-3/ω-6比率 (>7);在40μg mL-1.1以下没有观察到细胞毒性.
结论:
- 青 (Tetraselmis chuii) 提取物具有显著的神经保护潜力,这归因于其丰富的胡卜素和欧米茄-3 PUFA 含量.
- 基于绿色溶剂的提取方法 (PLE和SFE) 有效地从T. chuii.中分离出生物活性化合物.
- 这些发现支持使用T. chuii提取物作为营养品中有价值的成分,并强调可持续提取技术的可行性.
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