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首页> 外文期刊>Journal of Young Pharmacists >Assessment of the Photoprotective Activity of Lippia Species from Brazil and Their Use as Single UV Filters in Sunscreens
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Assessment of the Photoprotective Activity of Lippia Species from Brazil and Their Use as Single UV Filters in Sunscreens

机译：评估来自巴西的Lippia物种的光保护活性及其在防晒霜中作为单一UV滤光片的用途

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Objective: The present in vitro study aimed to evaluate the photoprotective activity of four plant species from Brazil. Material and Methods: Plants ( Lippia brasiliensis , L. pseudothea , L. rotundifolia and L. rubella ) were collected in Minas Gerais state, Brazil, and ethanolic extracts were obtained. These were incorporated in neutral lotions and their SPF, UVAPF, UVA/ UVB Ratio and Critical Wavelength were determined by diffuse transmittance spectroscopy. Results: The best results were obtained with L. brasiliensis . It was demonstrated that this species generated an estimated in vitro SPF of 9 ± 1.0, and an effective UVAPF of 8 ± 0.7, at 15% in a neutral lotion. Conclusion: Broad spectrum sunscreens were obtained when all of four species were used as single UV filter in the sunscreens formulations, although L. brasiliensis presented the best UVA/UVB balance.
机译：目的：目前的体外研究旨在评估来自巴西的四种植物的光保护活性。材料和方法：在巴西的米纳斯吉拉斯州收集植物（巴西利比里亚，假叶李子，轮叶李子和风疹李子），并获得乙醇提取物。将它们掺入中性乳液中，并通过漫透射光谱法测定其SPF，UVAPF，UVA / UVB比和临界波长。结果：巴西乳杆菌获得最佳结果。结果表明，在中性乳液中，该物种在15％的条件下产生的估计体外SPF为9±1.0，有效UVAPF为8±0.7。结论：尽管巴西利亚乳杆菌表现出最佳的UVA / UVB平衡，但将四种物种全部用作防晒剂配方中的单一UV滤光剂时，可获得广谱防晒霜。

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