Cinchotannic acid

Cinchotannic acid
Identifiers
Properties
C28H19O17 (?)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Cinchotannic acid is a tannin contained in many cinchona barks, which by oxidation rapidly yields a dark-coloured phlobaphene[1] called red cinchonic,[2] cinchono-fulvic acid or cinchona red.[3]

References

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