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Rubia tinctorum

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Rubia tinctorum
Scientific classification
Kingdom:
Plantae
(unranked):
Angiosperms
(unranked):
Eudicots
(unranked):
Asterids
Order:
Gentianales
Family:
Rubiaceae
Tribe:
Rubieae
Genus:
Rubia
Species:
R. tinctorum
Binomial name
Rubia tinctorum

Rubia tinctorum, the common madder or dyer's madder, is a herbaceous perennial plant species belonging to the bedstraw and coffee family Rubiaceae.

Description

The common madder can grow up to 1.5 m in height. The evergreen leaves are approximately 5–10 cm long and 2–3 cm broad, produced in whorls of 4–7 starlike around the central stem. It climbs with tiny hooks at the leaves and stems. The flowers are small (3–5 mm across), with five pale yellow petals, in dense racemes, and appear from June to August, followed by small (4–6 mm diameter) red to black berries. The roots can be over a metre long, up to 12 mm thick and the source of red dyes known as rose madder and Turkey red. It prefers loamy soils (sand and clay soil) with a constant level of moisture. Madder is used as food plants for the larvae of some Lepidoptera species including the Hummingbird Hawk Moth.

Uses

Naturally dyed skeins made with madder root, Colonial Williamsburg, VA

It has been used since ancient times as a vegetable red dye for leather, wool, cotton and silk. For dye production, the roots are harvested in the first year. The outer brown layer gives the common variety of the dye, the lower yellow layer the refined variety. The dye is fixed to the cloth with help of a mordant, most commonly alum. Madder can be fermented for dyeing as well (Fleurs de garance). In France, the remains were used to produce a spirit as well.

The roots contain the acid ruberthyrin. By drying, fermenting or a treatment with acids, this is changed to sugar, alizarin and purpurin, which were first isolated by the French chemist Pierre Jean Robiquet in 1826. Purpurin is normally not coloured, but is red when dissolved in alkaline solutions. Mixed with clay and treated with alum and ammonia, it gives a brilliant red colourant (madder lake).

The pulverised roots can be dissolved in sulfuric acid, which leaves a dye called garance (the French name for madder) after drying. Another method of increasing the yield consisted of dissolving the roots in sulfuric acid after they had been used for dyeing. This produces a dye called garanceux. By treating the pulverized roots with alcohol, colorin was produced. It contained 40–50 times the amount of alizarin of the roots.[citation needed]

The chemical name for the pigment is alizarin, of the anthraquinone-group, and was used to make the alizarine ink in 1855 by the Professor Leonhardi of Dresden, Germany. In 1869, the German chemists Graebe and Liebermann synthesised artificial alizarin, which was produced industrially from 1871 onwards, which effectively put an end to the cultivation of madder. In the 20th century, madder was only grown in some areas of France.[citation needed]

The plant's roots contain several polyphenolic compounds, such as 1,3-Dihydroxyanthraquinone (purpuroxanthin), 1,4-Dihydroxyanthraquinone (quinizarin), 1,2,4-Trihydroxyanthraquinone (purpurin) and 1,2-dihydroxyanthraquinone (alizarin). This last compound gives it its red colour to a textile dye known as Rose madder. It was also used as a colourant, especially for paint, that is referred to as Madder lake. The substance was also derived from another species, Rubia cordifolia.

History

Early evidence of dyeing comes from India where a piece of cotton dyed with madder has been recovered from the archaeological site at Mohenjo-daro (3rd millennium BCE).[1] In Sanskrit, this plant is known by the name Manjishtha. It was used by hermits to dye their clothes saffron. Dioscorides and Pliny the Elder (De Re Natura) mention the plant (Rubia passiva). In Viking age levels of York, remains of both woad and madder have been excavated. The oldest European textiles dyed with madder come from the grave of the Merovingian queen Arnegundis in Saint-Denis near Paris (between 565 and 570 AD). In the "Capitulare de villis" of Charlemagne, madder is mentioned as "warentiam". The herbal of Hildegard of Bingen mentions the plant as well. The red coats of the British Redcoats were dyed with madder, after earlier being dyed with cochineal.[2]

Turkey red was a strong, very fast red dye for cotton obtained from madder root via a complicated multistep process involving "sumac and oak galls, calf's blood, sheep's dung, oil, soda, alum, and a solution of tin."[3] Turkey red was developed in India and spread to Turkey. Greek workers familiar with the methods of its production were brought to France in 1747, and Dutch and English spies soon discovered the secret. A sanitized version of Turkey red was being produced in Manchester by 1784, and roller-printed dress cottons with a Turkey red ground were fashionable in England by the 1820s.[4][5]

Remedies

According to Culpeper's herbal, the plant is "an herb of Mars" and "hath an opening quality, and afterwards to bind and strengthen". The root was recommended in the treatment of yellow jaundice, obstruction of the spleen, the melancholy humour, palsy, sciatica, and of bruises. The leaves were advised for women “that have not their courses” and for the treatment of freckles and other discolorations of the skin.[6]

In one study, madder was found to have antimicrobial properties in vitro.[7] In one animal study, madder was found to have antidiarrheal activity in rats.[8]

Risks

Madder root may cause birth defects and miscarriages in humans when taken internally.[9] Animal studies have shown that the plant is a rat carcinogen.[10][11][12][13][14][14][15][16][17][17]

References

  1. ^ H. C. Bhardwaj & K. K. Jain (1982). "Indian dyes and dyeing industry during 18th–19th century" (PDF). Indian Journal of History of Science. 17 (11). New Delhi: Indian National Science Academy: 70–81.
  2. ^ "Where did the Redcoat red dye come from?". The First Foot Guards. Retrieved 15 February 2011.
  3. ^ Jill Goodwin (1982). A Dyer's Manual. Pelham Books. p. 65. ISBN 978-0-7207-1327-5.
  4. ^ John Cannon & Margaret Cannon (2002). Dye Plants and Dyeing (2nd ed.). A & C Black. pp. 76, 80. ISBN 978-0-7136-6374-7.
  5. ^ Jane Tozer & Sarah Levitt (1983). Fabric of Society: A Century of People and their Clothes 1770–1870. Laura Ashley Press. pp. 29–30. ISBN 978-0-9508913-0-9.
  6. ^ Culpeper's Herbal: Madder at bibliomania.com
  7. ^ Kalyoncu, Fatih; Cetin, Burcu; Saglam, Hüsniye (2006). "Antimicrobial activity of common madder (Rubia tinctorum L.)". Phytotherapy Research. 20 (6): 490–2. doi:10.1002/ptr.1884. PMID 16619348.
  8. ^ Karim, Ahmed; Mekhfi, Hassane; Ziyyat, Abderrahim; Legssyer, Abdelkhaleq; Bnouham, Mohammed; Amrani, Souliman; Atmani, Fouad; Melhaoui, Ahmed; Aziz, Mohammed (2010). "Anti-diarrhoeal activity of crude aqueous extract of Rubia tinctorum L. Roots in rodents". Journal of Smooth Muscle Research. 46 (2): 119–23. doi:10.1540/jsmr.46.119. PMID 20551592.
  9. ^ Madder, WebMD.
  10. ^ Inoue, Kaoru; Yoshida, Midori; Takahashi, Miwa; Fujimoto, Hitoshi; Ohnishi, Kuniyoshi; Nakashima, Koichi; Shibutani, Makoto; Hirose, Masao; Nishikawa, Akiyoshi (2009). "Possible contribution of rubiadin, a metabolite of madder color, to renal carcinogenesis in rats". Food and Chemical Toxicology. 47 (4): 752–9. doi:10.1016/j.fct.2009.01.003. PMID 19167447.
  11. ^ Inoue, Kaoru; Shibutani, Makoto; Masutomi, Naoya; Toyoda, Kazuhiro; Takagi, Hironori; Takahashi, Miwa; Fujimoto, Hitoshi; Hirose, Masao; Nishikawa, Akiyoshi (2008). "One-year chronic toxicity of madder color in F344 rats – Induction of preneoplastic/neoplastic lesions in the kidney and liver". Food and Chemical Toxicology. 46 (10): 3303–10. doi:10.1016/j.fct.2008.07.025. PMID 18723070.
  12. ^ Masutomi, N; Shibutani, M; Toyoda, K; Niho, N; Uneyama, C; Hirose, M (2000). "A 90-day repeated dose toxicity study of madder color in F344 rats: A preliminary study for chronic toxicity and carcinogenicity studies" (PDF). Bulletin of National Institute of Health Sciences (118): 55–62. PMID 11534128.
  13. ^ Inoue, Kaoru; Yoshida, Midori; Takahashi, Miwa; Shibutani, Makoto; Takagi, Hironori; Hirose, Masao; Nishikawa, Akiyoshi (2009). "Induction of kidney and liver cancers by the natural food additive madder color in a two-year rat carcinogenicity study". Food and Chemical Toxicology. 47 (1): 184–91. doi:10.1016/j.fct.2008.10.031. PMID 19032970.
  14. ^ a b Yokohira, M.; Yamakawa, K.; Hosokawa, K.; Matsuda, Y.; Kuno, T.; Saoo, K.; Imaida, K. (2008). "Promotion Potential of Madder Color in a Medium-Term Multi-Organ Carcinogenesis Bioassay Model in F344 Rats". Journal of Food Science. 73 (3): T26–32. doi:10.1111/j.1750-3841.2008.00685.x. PMID 18387132.
  15. ^ Westendorf, J; Pfau, W; Schulte, A (1998). "Carcinogenicity and DNA adduct formation observed in ACI rats after long-term treatment with madder root, Rubia tinctorum L". Carcinogenesis. 19 (12): 2163–8. doi:10.1093/carcin/19.12.2163. PMID 9886573.
  16. ^ Blömeke, Brunhilde; Poginsky, Barbara; Schmutte, Christoph; Marquardt, Hildegard; Westendorf, Johannes (1992). "Formation of genotoxic metabolites from anthraquinone glycosides, present in Rubia tinctorum L". Mutation Research/Fundamental and Molecular Mechanisms of Mutagenesis. 265 (2): 263. doi:10.1016/0027-5107(92)90055-7.
  17. ^ a b Inoue, Kaoru; Yoshida, Midori; Takahashi, Miwa; Fujimoto, Hitoshi; Shibutani, Makoto; Hirose, Masao; Nishikawa, Akiyoshi (2009). "Carcinogenic potential of alizarin and rubiadin, components of madder color, in a rat medium-term multi-organ bioassay". Cancer Science. 100 (12): 2261–7. doi:10.1111/j.1349-7006.2009.01342.x. PMID 19793347.
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