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Cinchotannic acid

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Cinchotannic acid
Identifiers
Properties
Chemical formula C28H19O17 (?)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). checkverify (what is  ?) Infobox references
Chemical compound

Cinchotannic acid is a tannin contained in many cinchona barks, which by oxidation rapidly yields a dark-coloured phlobaphene called red cinchonic, cinchono-fulvic acid or cinchona red.

References

  1. Cinchona Bark (Cortex Cinchonae). Part 3
  2. Cinchonaceae on chestofbooks.com
  3. Quinine on www.1902encyclopedia.com
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