Drugs Containing Tannins

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Chapter: Pharmacognosy and Phytochemistry : Drugs Containing Tannins

The name ‘tannin’ is derived from the French ‘tanin’ (tanning substance) and is used for a range of natural polyphenols. Tannins are complex organic, non-nitrogenous plant products, which generally have astringent properties.


Drugs Containing Tannins

 

INTRODUCTION

 

 

The name ‘tannin’ is derived from the French ‘tanin’ (tanning substance) and is used for a range of natural polyphenols. Tannins are complex organic, non-nitrogenous plant products, which generally have astringent properties. These compounds comprise a large group of compounds that are widely distributed in the plant kingdom. The term ‘tannin’ was first used by Seguin in 1796 to denote substances which have the ability to combine with animal hides to convert them into leather which is known as tanning of the hide. According to this, tannins are substances which are detected by a tanning test due to its absorption on standard hide powder. The test is known as Goldbeater’s skin test.

 

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