Cinchotannic acid

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

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[1] Cinchona Bark (Cortex Cinchonae). Part 3

[2] Cinchonaceae on chestofbooks.com

[3] Quinine on www.1902encyclopedia.com

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Identifiers
Properties
Chemical formula	C₂₈H₁₉O₁₇ (?)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Y verify (what is ^YN ?) Infobox references