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Properties | |
Chemical formula | C28H19O17 (?) |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Y verify (what is ?) Infobox references |
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
- Cinchona Bark (Cortex Cinchonae). Part 3
- Cinchonaceae on chestofbooks.com
- Quinine on www.1902encyclopedia.com