Dictionary > Tannin

Tannin

tannin
(Science: chemistry plant biology) bitter-tasting, complex aromatic compounds found in the vacuoles of certain plant cells, for example in bark.
Some are glucosides, possibly giving protection to the plant or concerned with pigment formation.They are strongly astringent and are used in tanning and dyeing.
Any of various complex phenolic substances of plant origin; used in tanning and in medicine.An organic compound that is found commonly in plants after pathogenic attack in the form of a gall. Tannins are an acidic chemical that is also found commonly is bark, leaves and unripe fruits.


You will also like...

squirrel
Animal Water Regulation

Animals adapt to their environment in aspects of anatomy, physiology, and behavior. This tutorial will help you understa..

Plant Water Regulation
Plant Water Regulation

Plants need to regulate water in order to stay upright and structurally stable. Find out the different evolutionary adap..

Water Cycle
The Water Cycle

The water cycle (also referred to as the hydrological cycle) is a system of continuous transfer of water from the air, s..

Adaptation Tutorial
Adaptation Tutorial

Adaptation, in biology and ecology, refers to the process or trait through which organisms or the populations in a habit..

Plant biology
Plant Biology

Plantlife can be studied at a variety of levels, from the molecular, genetic and biochemical level through organelles, c..

Early Earth
The Origins of Life

This tutorial digs into the past to investigate the origins of life. The section is split into geological periods in the..

Related Articles...

No related articles found

See all Related Topics