A Preliminary Screening Study with Dermal Tea Formulations Against 311 nm Ultraviolet B Radiation

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dc.authoridGedik, Gülşah/0000-0003-4147-6729
dc.authorwosidGedik, Gülşah/GWC-6445-2022
dc.contributor.authorGedik, Gulsah
dc.contributor.authorUgurlu, Timucin
dc.date.accessioned2024-06-12T11:18:58Z
dc.date.available2024-06-12T11:18:58Z
dc.date.issued2022
dc.departmentTrakya Üniversitesien_US
dc.description.abstractOne potential health benefit of Camellia sinensis extracts on the skin is protection from the detrimental effects of UV radiation. Tea polyphenols both absorb the UV and also alleviate the UV-induced damage in human skin. In this study, we aimed to test the protection of black and green tea gels against UV. The gels were prepared using a carbomer resin and freeze-dried black or green tea extracts. In formulations, total phenolic content, antioxidant activity, and free radical scavenging activity were tested. The sites were irradiated with an artificial narrow band UVB source 30 min after topical application of the formulations on separate regions of the upper back of 21 subjects, Black and green tea gels, and the commercial sunscreen protected the skin of volunteers against the UV erythema. Caffeine gel and carbopol control gels did not provide any protection. Commercial sunscreens can only protect the skin by absorbing or scattering UV radiation. However, tea extracts both absorb the UV radiation and also have the potential to repair the UV damage inside the skin due to their strong antioxidant contents. Tea extracts are safe for humans as well as for aqueous environments without toxicological concerns.en_US
dc.identifier.endpage68en_US
dc.identifier.issn1525-7886
dc.identifier.issue2en_US
dc.identifier.scopus2-s2.0-85170431843en_US
dc.identifier.scopusqualityQ4en_US
dc.identifier.startpage58en_US
dc.identifier.urihttps://hdl.handle.net/20.500.14551/25029
dc.identifier.volume73en_US
dc.identifier.wosWOS:000830666600001en_US
dc.identifier.wosqualityQ4en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherSoc Cosmetic Chemistsen_US
dc.relation.ispartofJournal Of Cosmetic Scienceen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectGreen Teaen_US
dc.subjectBlacken_US
dc.subjectExtracten_US
dc.subjectTheaflavinsen_US
dc.subjectCatechinsen_US
dc.titleA Preliminary Screening Study with Dermal Tea Formulations Against 311 nm Ultraviolet B Radiationen_US
dc.typeArticleen_US

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