Canadian Medical Guide > Chemicals and Drugs > Carbohydrates and Hypoglycemic Agents > Carbohydrates > Glycosides > Tannins Terms and Definitions




Tannins

Medical Definition: Any of a broad group of plant-derived phenolic compounds characterized by their ability to precipitate proteins. Some are more toxic than others, depending on their source. Those derived from nutgalls are believed to be carcinogens, while those found in tea and coffee may be virtually nontoxic. (Hawley's Condensed Chemical Dictionary, 12th ed)
Guide Notes: glycosides
Tannins Categories.
Canadian Medical Guide Definition Tannic Acid - A lustrous powder, yellow to light-brown in color, that is found in tree bark (particularly oak), fruits, leaves, and tea. It is used medicinally as an astringent, commercially in tanning hides, and as a dye mordant. (Saunders Dictionary and Encyclopedia of Laboratory Medicine and Technology, 1984). It is also used as a histological fixative and stain.

Tannins Medical Definitions and Terms

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