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微藻Chlorella vulgaris和Arthrospira platensis的脂质提取物作为一个生物活性成分
Purificación García-Segovia1, Zaida Natalia Uribe-Wandurraga1, Marta Igual1
1Food Technology Department, Universitat Politècnica de València, Valencia, Spain.
概括
克洛雷拉和螺旋藻微藻的脂质提取物对皮肤细胞具有显著的抗氧化和抗炎作用. 这些天然化合物可以防止紫外线损伤,并减少像IL-6这样的炎症标志物.
科学领域:
- 海洋生物技术 海洋生物技术
- 皮肤健康 皮肤健康
- 化品 化品 化品
背景情况:
- 微藻,包括Chlorella vulgaris和Arthrospira platensis,越来越多地被认为是有价值的生物活性化合物.
- 护肤品中对天然成分的需求急剧增加,推动了对藻类衍生提取物的研究.
- 了解微藻脂质分量的特定活动对于开发新型化品至关重要.
研究的目的:
- 评估从Chlorella和Spirulina中提取的脂质的抗氧化和抗炎潜力.
- 评估这些提取物在保护正常人体皮肤纤维细胞 (NHDF细胞) 免受UVA和HEV引起的损伤方面的有效性.
- 研究这些提取物对关键氧化应激和炎症标志物的影响.
主要方法:
- 从Chlorella vulgaris和Arthrospira platensis中提取了脂质部分.
- 治疗NHDF细胞时使用不同度 (0.1%,0.5%,1%) 的脂质提取物.
- 通过评估UVA暴露后反应性氧物种 (ROS) 的减少来测量抗氧化活性.
- 通过测量2-propanol诱导后的Interleukin-6 (IL-6) 和瘤坏死因子-α (TNF-α) 的表达来评估抗炎作用.
主要成果:
- 氏体和螺旋藻脂质提取物通过减少ROS显著保护NHDF细胞免受UVA诱导的损伤.
- 提取物没有显示出对HEV引起的损伤的显著保护.
- 在0.1%和0.5%度观察到显著的IL-6表达抑制,表明抗炎作用.
- 没有发现TNF-α表达的显著下降.
结论:
- 氏体和螺旋藻的脂质提取物具有与皮肤应用相关的显著抗氧化和抗炎性质.
- 这些微藻提取物显示出保护皮肤细胞免受氧化应激和炎症的潜力,特别是来自UVA辐射.
- 进一步的研究可能会探索它们在护肤配方中的应用,以减轻紫外线引起的损伤和炎症反应.
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