Nazir Ahsan, Saleem Muhammad Asad, Nazir Faiza, Hussain Tanveer, Faizan Muhammad Qasim, Usman Muhammad
Faculty of Engineering and Technology, National Textile University, Faisalabad, Pakistan.
Department of Chemistry, Government College Women University Faisalabad, Faisalabad, Pakistan.
Photochem Photobiol. 2016 Mar;92(2):343-347. doi: 10.1111/php.12566. Epub 2016 Feb 11.
UV radiations are high-energy radiations present in sunlight that can damage human skin. Protection against these radiations becomes vital especially in those areas of the globe where UV index is quite high that makes the inhabitants more prone to dangerous effects of UV radiations. Clothing materials are good blockers of UV radiations, particularly when the fabric cover factor is high and/or the fabrics contain suitable UV-blocking finishes. In this study, effect of application of aqueous and methanolic extracts of two different plants, i.e., Achyranthes aspera and Alhagi maurorum on UV protection properties of cotton fabric was investigated. The results showed that the fabric samples treated with extracts of both the plants have excellent UV protection properties as indicated by their ultraviolet protection factor. It was concluded that both the aqueous and methanolic plant extracts are very effective in blocking UVA and UVB radiations, when applied on cotton fabrics. The UV protection performance of Achyranthes aspera extracts was much better as compared to that of Alhagi maurorum, and methanolic extracts of both the plants outperformed the aqueous extracts in terms of UV protection.
紫外线辐射是阳光中存在的高能辐射,会损害人体皮肤。尤其是在全球紫外线指数相当高的地区,这些地区的居民更容易受到紫外线辐射的危险影响,因此防紫外线辐射至关重要。服装材料是紫外线辐射的良好阻隔物,特别是当织物覆盖系数高和/或织物含有合适的紫外线阻隔整理剂时。在本研究中,研究了两种不同植物(牛膝和骆驼刺)的水提取物和甲醇提取物对棉织物紫外线防护性能的影响。结果表明,用这两种植物提取物处理过的织物样品具有优异的紫外线防护性能,这从它们的紫外线防护系数可以看出。得出的结论是,当应用于棉织物时,这两种植物的水提取物和甲醇提取物在阻隔紫外线A和紫外线B辐射方面都非常有效。与骆驼刺提取物相比,牛膝提取物的紫外线防护性能要好得多,并且这两种植物的甲醇提取物在紫外线防护方面优于水提取物。