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dc.contributor.authorRODRIGUES, T. H. S.eng
dc.contributor.authorMATIAS, G. A. B.eng
dc.contributor.authorFROTA, V. M.eng
dc.contributor.authorMATTOS, A. L. A.eng
dc.contributor.authorROCHA, M. V. P.eng
dc.date.accessioned2025-07-18T18:47:50Z-
dc.date.available2025-07-18T18:47:50Z-
dc.date.created2025-07-18
dc.date.issued2025
dc.identifier.citationBiofuels, Bioproducts & Biorefining, 2025.
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1177390-
dc.descriptionProlonged exposure to ultraviolet (UV) radiation can cause significant damage to the skin and immune system. There has consequently been an increasing emphasis on the development of biodegradable and sustainable materials that offer UV protection, reflecting increased awareness of health and disease prevention. Due to its high concentration of phenolic groups, lignin has emerged as a promising candidate for natural UV protective materials. This study therefore aimed to produce nanocomposites of lignin from cashew apple bagasse, due to its wide availability and high lignin content, combined with zinc or titanium oxides for sunscreen application. Fourier transform infrared (FTIR) spectroscopy and X- ray analysis confirm interactions between lignin and zinc/titanium oxides. The resulting nanocomposites are stable, as indicated by their zeta potential (−32 mV to −48 mV). Lignin nanocomposites (LigZnO and LigTiO 2 ) exhibited similar antioxidant activity, though lower than that of lignin alone. Although lignin nanocomposites exhibited low sun protection factor (SPF) values in an emulsion base, they enhanced SPF in a commercial sunscreen. LigZnO (15.9) and LigTiO 2 (15.7) boosted the effectiveness of commercial UV absorbers (Parsol MCX and avobenzone), outperforming formulations with lignin alone or commercial ZnO and TiO 2 . The synergistic interaction between LigTiO 2 , LigZnO, and organic UV blockers reinforced thixotropy, making lignin nanocomposites a promising additive for sunscreen formulations. Their low cost and sustainable synthesis add value to nanomaterials while mitigating agro- waste disposal. © 2025 The Author(s). Biofuels, Bioproducts and Biorefining published by Society of Industrial Chemistry and John Wiley & Sons Ltd.
dc.language.isoeng
dc.rightsopenAccess
dc.subjectCashew apple bagasse
dc.subjectUV- blockers
dc.titleNanocomposite hybrids of cashew apple bagasse- derived lignin with photoprotective properties for sunscreen applications.
dc.typeArtigo de periódico
dc.subject.thesagroCaju
dc.subject.nalthesaurusLignin
dc.subject.nalthesaurusEnvironmental sustainability
dc.subject.nalthesaurusNanocomposites
dc.subject.nalthesaurusRheology
dc.subject.nalthesaurusCashew fruit
riaa.ainfo.id1177390
riaa.ainfo.lastupdate2025-07-18
dc.identifier.doiDOI: 10.1002/bbb.2775
dc.contributor.institutionTIGRESSA HELENA SOARES RODRIGUES, STATE UNIVERSITY OF VALE DO ACARAÚeng
dc.contributor.institutionGABRIEL ARCANJO BEZERRA MATIAS, FEDERAL UNIVERSITY OF CEARÁeng
dc.contributor.institutionVANESSA MOREIRA FROTA, FEDERAL UNIVERSITY OF CEARÁeng
dc.contributor.institutionADRIANO LINCOLN ALBUQUERQUE MATTOS, CNPATeng
dc.contributor.institutionMARIA VALDEREZ PONTE ROCHA, FEDERAL UNIVERSITY OF CEARÁ.eng
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