Other dyes and tannins

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Tannic Acid

Other dyes and tannins

Tannic Acid

Acidum Tannicum

Tannic Acid is a polyphenol, derived from Gallic Acid. It can be found in Gall Nuts and other parts of plants like the Oak bark. It is derived from the Gallic Acid : it is a Glucose polyester.Tannic Acid is used to clarify wine or beer and by the tanning industry. It is also used by the ink industry and Tannic Acid is a food dye (E181). However, the...

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Cutch extract

Other dyes and tannins

Cutch extract

This small and thorny tree is found in India, China throughout the Indian Ocean region.EXTRACTION PROCESSAqueous extraction + filtration + concentration + spray-drying.ASPECTBrown to red powderSMELLWoodpH(10 % solution) : 5,7 +/- 1,0

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Chestnut extract

Other dyes and tannins

Chestnut extract

Castanea Sativa

Widely spread throughout Europe.EXTRACTION PROCESSAqueous extraction + filtration + concentration + spray-dryingASPECTRed to brown powder. Soluble in water and ethanol.SMELLWoodpH(10 % solution) : 3,5 + ou – 1

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Mimosa extract

Other dyes and tannins

Mimosa extract

Acacia mearnsii

Brazil, Southern Africa, India. The extract is made from the tree’s bark.PEXTRACTION PROCESSThe extract is made from the bark. Aqueous extraction, filtration, concentration, spray-drying.ASPECTPink to beige powder, soluble in water and ethanol.SMELLNo particular smell.pH(10% solution) : 5.0 +/- 1,0

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Myrobolam extract

Other dyes and tannins

Myrobolam extract

Terminalia Chebula

Native from Asia, Termanalia Chebula is a big tree (up to 30 meters). There are many sub-varieties such as Terminalia Chebula var. Chebula (Ray Mond) or Terminalia Chebula var. Tomentella (T. Kurz).Terminalia Chebula contains terflavin B, a type of tannin, while chebulinic acid is found in the fruits. Myrobolam is widely used in Ayurvedic...

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Quebracho extract

Other dyes and tannins

Quebracho extract

Schinopsis lorentzii

Argentine, Paraguay, Bolivie. EXTRACTING TECHNOLOGYAqueous extraction + filtration + concentration + spray-drying ASPECTRed to brown powder. Soluble in water and ethanol. SMELLNo particular smell pH(10 % solution) : 7.0 +/- 1,0+/- 1

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Grinded Tara

Other dyes and tannins

Grinded Tara

Caesalpinia Spinosa

This small tree is native of Peru but can be found in other countries within South America and also in some African countries (Marocco, for example). Tara fruits have been used for thousands of years : there are pre-Columbian traces of the use of Tara mixed with Iron to obtain a black dye. Nowadays, the two main uses of Tara are : • The seeds are made...

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Sumac

Other dyes and tannins

Sumac

Found in Mediterranean countries, notably Turkey, Albania and Iran.Sumac is a small tree. Its fruits are used as a spice in the Middle-East. The bark and the leaves have a strong tannin content and have been used by tanners since the Antiquity (Greece, Egypt) : the botanical name Rhus Coriaria comes from the Latin “Coriarii”, meaning tanner. Sumac is...

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