{"id":3101,"date":"2024-10-31T21:30:00","date_gmt":"2024-10-31T21:30:00","guid":{"rendered":"https:\/\/chempublishers.com\/pjc\/?p=3101"},"modified":"2025-11-19T19:38:13","modified_gmt":"2025-11-19T19:38:13","slug":"pjc-0724","status":"publish","type":"post","link":"https:\/\/chempublishers.com\/Pakistan-journal-of-chemistry\/2024\/10\/31\/pjc-0724\/","title":{"rendered":"UV Study of the Sun Protection Factor of Some Peels and Seeds in Ethanolic and Methanolic Solvents"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"3101\" class=\"elementor elementor-3101\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-831db30 e-flex e-con-boxed e-con e-parent\" data-id=\"831db30\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-324b16e e-con-full e-flex e-con e-child\" data-id=\"324b16e\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1b39972 elementor-widget elementor-widget-text-editor\" data-id=\"1b39972\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div id=\"pkp_content_main\" class=\"pkp_structure_main\" role=\"main\"><div class=\"page page_article\"><table border=\"0\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\" align=\"center\"><tbody><tr><td><div><strong>Research Article | Open Access<\/strong><\/div><div class=\"item doi\"><span class=\"value\">Volume 14 | Issue 3-4 |\u00a0<a href=\"https:\/\/chempublishers.com\/pjc\/wp-content\/uploads\/sites\/2\/2024\/10\/PJC-08-24.pdf\" target=\"_blank\" rel=\"noopener\">https:\/\/doi.org\/10.15228\/2024.v14.i3-4.p07<\/a><\/span><\/div><\/td><\/tr><\/tbody><\/table><article class=\"obj_article_details\"><h4 class=\"page_title\">UV Study of the Sun Protection Factor of Some Peels and Seeds in Ethanolic and Methanolic Solvents<\/h4><div class=\"row\"><div class=\"main_entry\"><p><span class=\"name\"><a href=\"https:\/\/orcid.org\/0000-0001-5488-7821\" target=\"_blank\" rel=\"noopener\">T. Ahmed<\/a>\u00a0<\/span><\/p><p>Department of Chemistry, University of Karachi, Karachi-75270, Pakistan<\/p><p><span class=\"name\">T. Fatima<\/span><\/p><p>Department of Chemistry, University of Karachi, Karachi-75270, Pakistan<\/p><p><span class=\"name\">Z. Khan<\/span><\/p><p>Department of Chemistry, University of Swabi, Sawabi, KPK, Pakistan<\/p><p><span class=\"name\">N. Ali<\/span><\/p><p>Department of Chemistry, University of Karachi, Karachi-75270, Pakistan<\/p><p><span class=\"name\">M.A. Hamza<\/span><\/p><p>Department of Chemistry, University of Karachi, Karachi-75270, Pakistan<\/p><div class=\"item abstract\"><p class=\"ql-align-justify\">Sunscreen formulation forms a protective layer on the skin to protect it from the harmful impact of UV radiation. The effectiveness of sunscreen is determined by the sun protection factor (SPF). The higher the SPF, the more active the product is in avoiding sunburn. Thus, it is compulsory to determine the SPF value of the products used to stop sunburn. The present study aimed to determine the ultraviolet (UV) absorption properties of alcoholic herbal extracts of peels and seeds of vegetable and fruit sources by determining the SPF number as an alternative to synthetic sunscreen using the spectrophotometric method. Alcoholic extract was prepared by dissolving the ground form of green produce (Watermelon, Orange, and Lemon seeds and peels of Banana, Lemon, and Orange), and the absorbance was recorded between 290-320 nm. A spectroscopic study revealed that all of the tested samples\u00a0of vegetables and fruits in both ethanolic and methanolic extracts\u00a0showed UV protection capabilities related to their\u00a0high absorbance, which was satisfactory in finding their SPF values. The analysis of SPF values showed that variations were observed in both ethanolic and methanolic extracts, followed by exhibiting the highest absorbance value in normal, UV, and dark exposure. Moreover, the results after 7 days of exposure to solar radiation (UV) radiation in the ethanolic extract of green produce showed an increase in the SPF, indicating that extracts were not photosensitive in the range between 290 and 320 nm while a decrease in SPF to methanol, revealing that all samples were photosensitive in the range between 290 and 320 nm.\u00a0The values of the SPF showed that peels and seeds may also be considered for the formulation of the green sunscreen cream.<\/p><\/div><div class=\"item abstract\"><div><h3 class=\"label\">How to Cite this paper?<\/h3><div class=\"csl-entry\"><p><strong>APA-7 Style<\/strong><br \/>Ahmed, T., Fatima, T., Khan, Z., Ali, N., Hamza, M.A. (2024). UV Study of the Sun Protection Factor of Some Peels and Seeds in Ethanolic and Methanolic Solvents.\u00a0<a href=\"https:\/\/doi.org\/10.15228\/2024.v14.i3-4.p07\" target=\"_blank\" rel=\"noopener\"><em>Pakistan Journal of Chemistry<\/em>, 14(3-4), 60-65<\/a>. https:\/\/doi.org\/10.15228\/2024.v14.i3-4.p07<\/p><p><strong>ACS Style<\/strong><br \/>Ahmed, T.; Fatima, T.; Khan, Z.; Ali, N.; Hamza, M.A. UV Study of the Sun Protection Factor of Some Peels and Seeds in Ethanolic and Methanolic Solvents.\u00a0<a href=\"https:\/\/doi.org\/10.15228\/2024.v14.i3-4.p07\" target=\"_blank\" rel=\"noopener\"><em>Pak. J. Chem.<\/em>\u00a02024, 14, 60-65<\/a>. https:\/\/doi.org\/10.15228\/2024.v14.i3-4.p07<\/p><p><strong>AMA Style<\/strong><br \/>Ahmed T, Fatima T, Khan Z, Ali N, Hamza MA. UV Study of the Sun Protection Factor of Some Peels and Seeds in Ethanolic and Methanolic Solvents.\u00a0<a href=\"https:\/\/doi.org\/10.15228\/2024.v14.i3-4.p07\" target=\"_blank\" rel=\"noopener\"><em>Pakistan Journal of Chemistry<\/em>. 2024; 14(3-4): 60-65<\/a>. https:\/\/doi.org\/10.15228\/2024.v14.i3-4.p07<\/p><p><strong>Chicago\/Turabian Style<\/strong><br \/>Ahmed, Tehseen, T. Fatima, Z. Khan, N. Ali, and M. A. Hamza. 2024. &#8220;UV Study of the Sun Protection Factor of Some Peels and Seeds in Ethanolic and Methanolic Solvents&#8221;\u00a0<a href=\"https:\/\/doi.org\/10.15228\/2024.v14.i3-4.p07\" target=\"_blank\" rel=\"noopener\"><em>Pakistan Journal of Chemistry<\/em>\u00a014, no. 3-4: 60-65<\/a>. https:\/\/doi.org\/10.15228\/2024.v14.i3-4.p07<\/p><\/div><\/div><\/div><div class=\"item copyright\"><p><a href=\"https:\/\/creativecommons.org\/licenses\/by\/4.0\/\" rel=\"license\"><img decoding=\"async\" src=\"https:\/\/i.creativecommons.org\/l\/by\/4.0\/88x31.png\" alt=\"Creative Commons License\" \/><\/a><\/p><p>This work is licensed under a\u00a0<a href=\"https:\/\/creativecommons.org\/licenses\/by\/4.0\/\" rel=\"license\">Creative Commons Attribution 4.0 International License<\/a>.<\/p><\/div><\/div><\/div><\/article><\/div><\/div><div class=\"pkp_structure_sidebar left\" role=\"complementary\" aria-label=\"Sidebar\">\u00a0<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7cdd3f9 e-con-full e-flex e-con e-child\" data-id=\"7cdd3f9\" data-element_type=\"container\">\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Research Article | Open AccessVolume 14 | Issue 3-4 |\u00a0https:\/\/doi.org\/10.15228\/2024.v14.i3-4.p07 UV Study of the Sun Protection Factor of Some Peels and Seeds in Ethanolic and Methanolic Solvents T. Ahmed\u00a0 Department of Chemistry, University of Karachi, Karachi-75270, Pakistan T. Fatima Department of Chemistry, University of Karachi, Karachi-75270, Pakistan Z. Khan Department of Chemistry, University of Swabi, [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3101","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>UV Study of the Sun Protection Factor of Some Peels and Seeds in Ethanolic and Methanolic Solvents - Pakistan Journal of Chemistry<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/chempublishers.com\/Pakistan-journal-of-chemistry\/2024\/10\/31\/pjc-0724\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"UV Study of the Sun Protection Factor of Some Peels and Seeds in Ethanolic and Methanolic Solvents - Pakistan Journal of Chemistry\" \/>\n<meta property=\"og:description\" content=\"Research Article | Open AccessVolume 14 | Issue 3-4 |\u00a0https:\/\/doi.org\/10.15228\/2024.v14.i3-4.p07 UV Study of the Sun Protection Factor of Some Peels and Seeds in Ethanolic and Methanolic Solvents T. 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