{"title":"Extraction of Natural Dyes from Polygonum Odoratum Lour as an Alternative Dyeing for Thai Silk Using Diff erent Metal Salt Mordants","authors":"Aritart Sanai, Wiphawan Khottada, Kanokkorn Sirithip, Kesorn Merat","doi":"10.12982/cmjs.2023.038","DOIUrl":null,"url":null,"abstract":"Polygonum Odoratum Lour (P. odoratum) is one of the economic indigenous plants, produced annually in huge amounts. Thus, seeking alternate applications for P. odoratum, such as use as a natural dye source, is one of the strategies for reducing market oversupply. The objectives of this research were to study the optimum conditions for natural dye extraction from P. odoratum and to investigate the effect of different metal salt mordants and adding sequence mordant methods in the dyeing silk process. The mordants used were KAl(SO4), CuSO4, and FeSO4 and the adding sequence mordants were pre-, meta-, and post-mordant techniques. When the extracted dyes and measured by UV-Vis spectroscopy, the results showed that the major extracted compounds were rutin, isoquercetin, and quercetin in ethanol solvent. The most suitable dye extraction condition was 15.0 g of P. odoratum powder refl uxed in a solvent of 95% ethanol at 80 °C for 60 min providing the strongest UV-Vis absorption intensity. In terms of the dyeing process, the effect of adding sequence mordant strategies was a stronger infl uence on color strength and fastness washing property than that of the different mordants used. The meta-mordanting technique was the most promising strategy because it gave stronger color strength, shortest drying time, and good fastness properties to the other methods. Overall, this result confi rmed that the extracted dyes from P. odoratum as alternative dyeing for Thai silk were a foreshadowing strategy with the meta-mordanting technique.","PeriodicalId":9884,"journal":{"name":"Chiang Mai Journal of Science","volume":"41 1","pages":""},"PeriodicalIF":0.6000,"publicationDate":"2023-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Chiang Mai Journal of Science","FirstCategoryId":"103","ListUrlMain":"https://doi.org/10.12982/cmjs.2023.038","RegionNum":4,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"MULTIDISCIPLINARY SCIENCES","Score":null,"Total":0}
引用次数: 0
Abstract
Polygonum Odoratum Lour (P. odoratum) is one of the economic indigenous plants, produced annually in huge amounts. Thus, seeking alternate applications for P. odoratum, such as use as a natural dye source, is one of the strategies for reducing market oversupply. The objectives of this research were to study the optimum conditions for natural dye extraction from P. odoratum and to investigate the effect of different metal salt mordants and adding sequence mordant methods in the dyeing silk process. The mordants used were KAl(SO4), CuSO4, and FeSO4 and the adding sequence mordants were pre-, meta-, and post-mordant techniques. When the extracted dyes and measured by UV-Vis spectroscopy, the results showed that the major extracted compounds were rutin, isoquercetin, and quercetin in ethanol solvent. The most suitable dye extraction condition was 15.0 g of P. odoratum powder refl uxed in a solvent of 95% ethanol at 80 °C for 60 min providing the strongest UV-Vis absorption intensity. In terms of the dyeing process, the effect of adding sequence mordant strategies was a stronger infl uence on color strength and fastness washing property than that of the different mordants used. The meta-mordanting technique was the most promising strategy because it gave stronger color strength, shortest drying time, and good fastness properties to the other methods. Overall, this result confi rmed that the extracted dyes from P. odoratum as alternative dyeing for Thai silk were a foreshadowing strategy with the meta-mordanting technique.
期刊介绍:
The Chiang Mai Journal of Science is an international English language peer-reviewed journal which is published in open access electronic format 6 times a year in January, March, May, July, September and November by the Faculty of Science, Chiang Mai University. Manuscripts in most areas of science are welcomed except in areas such as agriculture, engineering and medical science which are outside the scope of the Journal. Currently, we focus on manuscripts in biology, chemistry, physics, materials science and environmental science. Papers in mathematics statistics and computer science are also included but should be of an applied nature rather than purely theoretical. Manuscripts describing experiments on humans or animals are required to provide proof that all experiments have been carried out according to the ethical regulations of the respective institutional and/or governmental authorities and this should be clearly stated in the manuscript itself. The Editor reserves the right to reject manuscripts that fail to do so.