Yellow Dyes of Historical Importance: A Handful of Weld Yellows from the 18th-Century Recipe Books of French Master Dyers Antoine Janot and Paul Gout

Antoine Janot and Paul Gout were 18th-century master dyers who specialised in the piece-dyeing of fine wool broadcloths manufactured in Languedoc (southern France) for exportation to the Levant. They wrote treatises, similarly entitled <i>Mémoires de Teinture</i> (Memoirs on Dyeing), ill...

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Main Authors: Mara Santo, Dominique Cardon, Natércia Teixeira, Paula Nabais
Format: Article
Language:English
Published: MDPI AG 2023-11-01
Series:Heritage
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Online Access:https://www.mdpi.com/2571-9408/6/12/391
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author Mara Santo
Dominique Cardon
Natércia Teixeira
Paula Nabais
author_facet Mara Santo
Dominique Cardon
Natércia Teixeira
Paula Nabais
author_sort Mara Santo
collection DOAJ
description Antoine Janot and Paul Gout were 18th-century master dyers who specialised in the piece-dyeing of fine wool broadcloths manufactured in Languedoc (southern France) for exportation to the Levant. They wrote treatises, similarly entitled <i>Mémoires de Teinture</i> (Memoirs on Dyeing), illustrated with dozens of dyed textile samples. Janot’s is dated 1744, and Gout’s is dated 1763. These books are full of extremely valuable information, which is unique to its time: the books are composed of carefully described recipes for every colour, each originally preceded by a sample swatch. The yellows of both master dyers made from weld (<i>Reseda luteola</i> L.), belonging to recipes described as Jaune (yellow), were reproduced. The influence of the ingredients, in both the mordanting and dyeing baths, was assessed, and the timings for both baths, which in many recipes are not clear, were tested. This provided key knowledge on the technological processes for dyeing with weld from these 18th c. French masters. The resulting reference samples were preliminarily analysed by a multi-analytical approach. Their chromatic specifications, expressed in the CIEL*a*b*, were compared with those in the <i>Mémoires</i>. Moreover, the influence of the recipe on the percentages of the chromophores was assessed by HPLC-DAD. It was found that the bran and tartar in the mordanting bath influence the final obtained colour and that lime is essential to obtain a bright yellow.
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spelling doaj.art-4bc10741aca14bd8a0a68025856dd87d2023-12-22T14:12:15ZengMDPI AGHeritage2571-94082023-11-016127466748110.3390/heritage6120391Yellow Dyes of Historical Importance: A Handful of Weld Yellows from the 18th-Century Recipe Books of French Master Dyers Antoine Janot and Paul GoutMara Santo0Dominique Cardon1Natércia Teixeira2Paula Nabais3LAQV-REQUIMTE, Department of Conservation and Restoration, NOVA School for Science and Technology, 2829-516 Monte da Caparica, PortugalCIHAM/UMR 5648 CNRS, 14 av. Berthelot, CEDEX 07, 69363 Lyon, FranceLAQV-REQUIMTE, Department of Chemistry and Biochemistry, Faculty of Sciences, Universidade do Porto, Rua do Campo Alegre s/n, 4169-007 Porto, PortugalLAQV-REQUIMTE, Department of Conservation and Restoration, NOVA School for Science and Technology, 2829-516 Monte da Caparica, PortugalAntoine Janot and Paul Gout were 18th-century master dyers who specialised in the piece-dyeing of fine wool broadcloths manufactured in Languedoc (southern France) for exportation to the Levant. They wrote treatises, similarly entitled <i>Mémoires de Teinture</i> (Memoirs on Dyeing), illustrated with dozens of dyed textile samples. Janot’s is dated 1744, and Gout’s is dated 1763. These books are full of extremely valuable information, which is unique to its time: the books are composed of carefully described recipes for every colour, each originally preceded by a sample swatch. The yellows of both master dyers made from weld (<i>Reseda luteola</i> L.), belonging to recipes described as Jaune (yellow), were reproduced. The influence of the ingredients, in both the mordanting and dyeing baths, was assessed, and the timings for both baths, which in many recipes are not clear, were tested. This provided key knowledge on the technological processes for dyeing with weld from these 18th c. French masters. The resulting reference samples were preliminarily analysed by a multi-analytical approach. Their chromatic specifications, expressed in the CIEL*a*b*, were compared with those in the <i>Mémoires</i>. Moreover, the influence of the recipe on the percentages of the chromophores was assessed by HPLC-DAD. It was found that the bran and tartar in the mordanting bath influence the final obtained colour and that lime is essential to obtain a bright yellow.https://www.mdpi.com/2571-9408/6/12/391dyed textilesweld<i>Reseda luteola</i>tartarlimemaster dyers
spellingShingle Mara Santo
Dominique Cardon
Natércia Teixeira
Paula Nabais
Yellow Dyes of Historical Importance: A Handful of Weld Yellows from the 18th-Century Recipe Books of French Master Dyers Antoine Janot and Paul Gout
Heritage
dyed textiles
weld
<i>Reseda luteola</i>
tartar
lime
master dyers
title Yellow Dyes of Historical Importance: A Handful of Weld Yellows from the 18th-Century Recipe Books of French Master Dyers Antoine Janot and Paul Gout
title_full Yellow Dyes of Historical Importance: A Handful of Weld Yellows from the 18th-Century Recipe Books of French Master Dyers Antoine Janot and Paul Gout
title_fullStr Yellow Dyes of Historical Importance: A Handful of Weld Yellows from the 18th-Century Recipe Books of French Master Dyers Antoine Janot and Paul Gout
title_full_unstemmed Yellow Dyes of Historical Importance: A Handful of Weld Yellows from the 18th-Century Recipe Books of French Master Dyers Antoine Janot and Paul Gout
title_short Yellow Dyes of Historical Importance: A Handful of Weld Yellows from the 18th-Century Recipe Books of French Master Dyers Antoine Janot and Paul Gout
title_sort yellow dyes of historical importance a handful of weld yellows from the 18th century recipe books of french master dyers antoine janot and paul gout
topic dyed textiles
weld
<i>Reseda luteola</i>
tartar
lime
master dyers
url https://www.mdpi.com/2571-9408/6/12/391
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