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Product: Gambier-extract Botanical name: Uncaria gambier Origin China, India, Malaysia, Indonesia Tanning classification Pyrocatechin tannin…
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Product: Gambier-extract Botanical name: Uncaria gambier Origin China, India, Malaysia, Indonesia Tanning classification Pyrocatechin tanning material (Phlobaphen former) Specification (all values according to the filter method) powder catechins content: 20% insolubles % 12.0 humidity % 12.0 dry matters % - non tanning content % 17.0 Density (° Bé) - pH (6.9° Bé) 4.6 +/- 0.3 ash % 4.5 Description Gambir extract is a tanning agent extracted from the leaves of the Uncaria Gambir plant, which comes from Asia and only grows approximately 10° north or south of the equator line. The plant, which grows as a wild bush, can also be cultivated. The Gambir extract is won from the leaves, partly without the branches by extraction with water at a temperature of 85-90°C and evaporation. The powder is then made by the spray-dry method.
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