Reusing wasteroot of Rubia wallichiana dyeing from Monpa of Tibet in China

Abstract Humans have dyed textiles and leather, colored food, and paint body parts using natural dyes throughout history. Natural dyes have suffered drastically due to recent socioeconomic changes and replacement with synthetic dye in the textile industry. Hence, it is urgent to study indigenous dye...

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Autores principales: Rong Yang, Yu Zhang, Sailesh Ranjitkar, Mingxiang Li, Yongjie Guo, Xiuxiang Yan, Chuanfa Wang, John Richard Stepp, Lixin Yang
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Publicado: Nature Portfolio 2021
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spelling oai:doaj.org-article:229b15304ac84ffca6141d1734eba7a42021-12-02T15:33:13ZReusing wasteroot of Rubia wallichiana dyeing from Monpa of Tibet in China10.1038/s41598-021-93848-82045-2322https://doaj.org/article/229b15304ac84ffca6141d1734eba7a42021-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-93848-8https://doaj.org/toc/2045-2322Abstract Humans have dyed textiles and leather, colored food, and paint body parts using natural dyes throughout history. Natural dyes have suffered drastically due to recent socioeconomic changes and replacement with synthetic dye in the textile industry. Hence, it is urgent to study indigenous dye plants and dyeing craft in local communities to protect these resources' potential ecological, economic, and cultural values. In 11 Monpa villages of Mêdog County, South-east Tibet, China, we conducted field research to record the indigenous method of cloth dyeing using madder dye. An aqueous extract of the root of Rubia wallichiana is a traditional madder dye. In this study, we used traditional dye and ethyl alcohol extract of the residue of aqueous extract. Two fabrics were dyed with the extractions in the presence of one of the metallic mordants or biomordants. Pigment compounds from aqueous extraction of madder and ethyl alcohol extraction of recycled madder were evaluated using Phytochemical, UV–visible spectroscopy, and FTIR test. We carried out One-way ANOVA and Duncan's new multiple range method to analyze different dying approaches and conditions. The dyed fabrics were evaluated by indicators of color strength and fastness, including washing, rubbing, and perspiration. The findings revealed the potentiality of biomordants to improve the dyeing properties of madder. The dyeing properties of recycled madder were marginally better than traditional madder. The results revealed the feasibility of enhancing the dyeing property and reuse of the residue from madder dyeing. The improved dyeing and reuse of residue can improve local ecological, economic benefits, and cultural heritage while applying research findings for the subsequent commercialization of plant dyes.Rong YangYu ZhangSailesh RanjitkarMingxiang LiYongjie GuoXiuxiang YanChuanfa WangJohn Richard SteppLixin YangNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-15 (2021)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
Rong Yang
Yu Zhang
Sailesh Ranjitkar
Mingxiang Li
Yongjie Guo
Xiuxiang Yan
Chuanfa Wang
John Richard Stepp
Lixin Yang
Reusing wasteroot of Rubia wallichiana dyeing from Monpa of Tibet in China
description Abstract Humans have dyed textiles and leather, colored food, and paint body parts using natural dyes throughout history. Natural dyes have suffered drastically due to recent socioeconomic changes and replacement with synthetic dye in the textile industry. Hence, it is urgent to study indigenous dye plants and dyeing craft in local communities to protect these resources' potential ecological, economic, and cultural values. In 11 Monpa villages of Mêdog County, South-east Tibet, China, we conducted field research to record the indigenous method of cloth dyeing using madder dye. An aqueous extract of the root of Rubia wallichiana is a traditional madder dye. In this study, we used traditional dye and ethyl alcohol extract of the residue of aqueous extract. Two fabrics were dyed with the extractions in the presence of one of the metallic mordants or biomordants. Pigment compounds from aqueous extraction of madder and ethyl alcohol extraction of recycled madder were evaluated using Phytochemical, UV–visible spectroscopy, and FTIR test. We carried out One-way ANOVA and Duncan's new multiple range method to analyze different dying approaches and conditions. The dyed fabrics were evaluated by indicators of color strength and fastness, including washing, rubbing, and perspiration. The findings revealed the potentiality of biomordants to improve the dyeing properties of madder. The dyeing properties of recycled madder were marginally better than traditional madder. The results revealed the feasibility of enhancing the dyeing property and reuse of the residue from madder dyeing. The improved dyeing and reuse of residue can improve local ecological, economic benefits, and cultural heritage while applying research findings for the subsequent commercialization of plant dyes.
format article
author Rong Yang
Yu Zhang
Sailesh Ranjitkar
Mingxiang Li
Yongjie Guo
Xiuxiang Yan
Chuanfa Wang
John Richard Stepp
Lixin Yang
author_facet Rong Yang
Yu Zhang
Sailesh Ranjitkar
Mingxiang Li
Yongjie Guo
Xiuxiang Yan
Chuanfa Wang
John Richard Stepp
Lixin Yang
author_sort Rong Yang
title Reusing wasteroot of Rubia wallichiana dyeing from Monpa of Tibet in China
title_short Reusing wasteroot of Rubia wallichiana dyeing from Monpa of Tibet in China
title_full Reusing wasteroot of Rubia wallichiana dyeing from Monpa of Tibet in China
title_fullStr Reusing wasteroot of Rubia wallichiana dyeing from Monpa of Tibet in China
title_full_unstemmed Reusing wasteroot of Rubia wallichiana dyeing from Monpa of Tibet in China
title_sort reusing wasteroot of rubia wallichiana dyeing from monpa of tibet in china
publisher Nature Portfolio
publishDate 2021
url https://doaj.org/article/229b15304ac84ffca6141d1734eba7a4
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