Compound Monograph
Tannic acid
A hydrolyzable tannin (gallotannin) found in coffee and guarana, known for astringent properties.
Classification
Tannic acid is one of the tannins, part of the phenolics class. Antioxidant compounds built around one or more phenol rings — the flavonoids, tannins, phenolic acids, coumarins, and pigments behind much of a plant's protective chemistry.
Where Does It Come From? (2)
Tannic acid is one of the tannins, found in Coffee and Guarana.