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Tannins from Acacia mangium Bark as Natural Dyes for Textiles:Characteristics and Applications

Journal of Renewable Materials 2024年第9期12卷 1625-1637页

作者： Maya Ismayati Nissa Nurfajrin Solihat fifi melinda setiawati Wasrin Syafii Yuki Tobimatsu Deni Zulfiana Research Center for Biomass and Bioproducts Research Organization for Life Sciences and EnvironmentNational Research and Innovation Agency(BRIN)Jl.Raya Bogor KM 46CibinongBogor16911Indonesia Department of Forest Product Technology Faculty of ForestryIPB UniversityBogor16680Indonesia Research Institute for Sustainable Humanosphere Kyoto UniversityUjiKyoto611-0011Japan Research Center for Applied Microbiology Research Organization for Life Sciences and EnvironmentNational Research and Innovation Agency(BRIN)Jl.Raya Bogor KM 46CibinongBogor16911Indonesia

Tannins are capable of producing natural dyes with antioxidant and antibacterial propertis,while synthetic dyes are commonly used in the textile industry,causing environmental issues like water *** research aims to utilize waste tannins as natural dyes as an alternative to synthetic *** study examined the effect of the extraction method on tannin properties such as phenolic content,antioxidants,and antibacterial *** addition,Pyrolysis Gas Chromatography‒Mass Spectrometry(Py-GCMS)analysis was used to identify the effect of extraction temperature on the chemical elucidation of *** effect of tannin concentration was evaluated against four bacteria that are usually found on human skin:Staphylococcus epidermidis,Bacillus subtilis,Propionibacterium acnes,and Staphylococcus *** temperature significantly influences the chemical composition of tannin,which leads to different antioxidant *** maximum antibacterial properties of tannin were obtained at 90℃with the inhibition zone in the range of 0.9–1.0 mm against four bacteria,tannin yield of 26.59%,Gallic Acid Equivalents or total phenolic content(GAE)of 40.30 mg/g,and Radical Scavenging Activity or antioxidant activity(RSA)of 89.88%.Moreover,the concentration of tannin was significantly linear with its antibacterial *** was successfully applied to the textile by using alum as a mordanting agent to create an antibacterial *** textile’s bacterial structure damage was analyzed under Field Emission Scanning Electron Microscopy(FESEM).After 50 washings,tannin-textiles with alum-modified properties remained stable compared to those without alum,with *** and *** being the most vulnerable bacteria,as confirmed by FESEM ***,tannin is a feasible alternative to harmful and nondegradable synthetic dyes and antibacterial agents.

关键词： Acacia mangium tannin antibacterial antioxidant different temperature extraction dyes

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