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

作　　者：Maya Ismayati Nissa Nurfajrin Solihat Fifi Melinda Setiawati Wasrin Syafii Yuki Tobimatsu Deni Zulfiana 

机构地区：[1]Research Center for Biomass and Bioproducts,Research Organization for Life Sciences and Environment,National Research and Innovation Agency(BRIN),Jl.Raya Bogor KM 46,Cibinong,Bogor,16911,Indonesia [2]Department of Forest Product Technology,Faculty of Forestry,IPB University,Bogor,16680,Indonesia [3]Research Institute for Sustainable Humanosphere,Kyoto University,Uji,Kyoto,611-0011,Japan [4]Research Center for Applied Microbiology,Research Organization for Life Sciences and Environment,National Research and Innovation Agency(BRIN),Jl.Raya Bogor KM 46,Cibinong,Bogor,16911,Indonesia

出　　处：《Journal of Renewable Materials》2024年第9期1625-1637,共13页可再生材料杂志（英文）

基　　金：funded by the JASTIP-RISH 2022(S-08);RIIM 2023 Batch 4,National Research and Innovation Agency(BRIN)Indonesia.

摘　　要：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 pollution.This research aims to utilize waste tannins as natural dyes as an alternative to synthetic dyes.This study examined the effect of the extraction method on tannin properties such as phenolic content,antioxidants,and antibacterial activity.In addition,Pyrolysis Gas Chromatography‒Mass Spectrometry(Py-GCMS)analysis was used to identify the effect of extraction temperature on the chemical elucidation of tannin.The effect of tannin concentration was evaluated against four bacteria that are usually found on human skin:Staphylococcus epidermidis,Bacillus subtilis,Propionibacterium acnes,and Staphylococcus aureus.Extraction temperature significantly influences the chemical composition of tannin,which leads to different antioxidant properties.The 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 properties.Tannin was successfully applied to the textile by using alum as a mordanting agent to create an antibacterial textile.The 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 S.aureus and S.epidermidis being the most vulnerable bacteria,as confirmed by FESEM images.Hence,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 

分 类 号：TS19[轻工技术与工程—纺织化学与染整工程]