{"id":19245,"date":"2024-04-24T15:17:44","date_gmt":"2024-04-24T13:17:44","guid":{"rendered":"https:\/\/phytoark.ch\/natural-indigo-dye-plant-valais\/"},"modified":"2026-06-04T15:54:27","modified_gmt":"2026-06-04T13:54:27","slug":"natural-indigo-dye-plant-valais","status":"publish","type":"post","link":"https:\/\/phytoark.ch\/en\/natural-indigo-dye-plant-valais\/","title":{"rendered":"Natural indigo dye using dyer’s woad"},"content":{"rendered":"\t\t
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\n\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\tMediplant<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Over the course of ten years of collaboration between PhytoArk and Mediplant, numerous concrete projects have been developed. Among them: Indigo. The natural indigo pigment can be extracted from a plant native to the canton of Valais, Isatis tinctoria L., or \u201cdyer\u2019s woad.\u201d Convinced of the need to make textile dyes more environmentally friendly and wishing to contribute to this initiative and progress, Mediplant <\/a>was able to begin its research on natural indigo in 2020 thanks to support from The Ark Foundation, in collaboration with the Agroscope Conthey federal research station and the company RedElec Technologie (Riddes). \u201cAfter three years of work optimizing the processes, we are now able to produce very high-quality natural indigo powder,\u201d explains Audrey Kuhn, business developer at Mediplant. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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For Mediplant, this project has enabled them, since early 2023, to continue and expand their research on dye plants by participating in the European AlpTextyles <\/a>project, supported by Interreg. The project aims to establish a more sustainable and environmentally friendly textile industry and consumption model, particularly by passing on the ancestral textile traditions of the Alpine region. \u201cMy role involves conducting bibliographic research on textile traditions\u2014and more specifically on dye plants\u2014in Valais, as a basis for developing natural pigments at the Mediplant laboratory. I then need to present the results and move forward in collaboration with the project\u2019s twelve European partners.\u201d <\/p>

\u201cThese projects are outstanding initiatives focused on environmental stewardship and sustainable development. They are wonderful vehicles for progress and for showcasing Mediplant\u2019s work, both in Switzerland and abroad,\u201d adds Audrey Kuhn.<\/p>

Natural plant-based ingredients\u2014whether they are cosmetic or medicinal actives or pigments\u2014must be expertly extracted from plants. PhytoArk\u2019s technology platform is the essential tool for this purpose. With Mediplant\u2019s expertise and skills in operating this platform, the technical and scientific conditions are in place to successfully carry out R&D projects, from laboratory development through to pre-industrial-scale production. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Isatis tinctoria: A Closer Look at a Plant with Many Benefits<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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PhytoArk\u2019s mission is to promote alpine plants and natural ingredients. Among these plants, Isatis tinctoria is one of Audrey Kuhn\u2019s favorites. She tells us more about it. <\/strong><\/p>

Dyer’s woad (the common name for Isatis tinctoria) is a wild plant that grows along roadsides and in vineyards in Valais. \u201cIt\u2019s one of the first to bloom in early spring. Its flowers are yellow. It can only thrive here in the Rh\u00f4ne Valley because it needs a dry, warm climate,\u201d notes Audrey Kuhn. It was widely cultivated in Europe during the Middle Ages and the Renaissance for the production of indigo dye. \u201cWithout revealing our manufacturing process, which remains confidential, we can say that for indigo production, we harvest the aerial parts of the plant.\u201d <\/p>

But it is not only a source of blue pigment; it was also used as a medicinal plant by the ancient Greeks and Romans. This comes as no surprise to me, because, like any plant rich in polyphenols, it most certainly possesses valuable medicinal properties. Take, for example, the Greek physician and pharmacologist Dioscorides (1st century), who prescribed the leaves as poultices to treat wounds, injuries, edema, and tumors (healing, antiseptic, and hemostatic properties), or the fact that it was used in the 18th century as a decoction against spleen diseases and as an antiscorbutic. It also possesses fungicidal properties. <\/p>

\u201cWith the aim of reviving this plant, which embodies the essence of the Valais region, and harnessing its potential, Mediplant seeks to develop eco-friendly production of high-quality natural indigo using innovative technological methods and ensuring traceability throughout the entire supply chain,\u201d concludes Audrey Kuhn.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"

Discover how dyer’s pastel is used to produce natural indigo in Valais, contributing to a more sustainable and innovative textile industry.<\/p>\n","protected":false},"author":17,"featured_media":18060,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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