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...

Chromosomes X and Y and Sex Determination
Chromosomes X and Y and Sex Determination

This tutorial looks at sex determination via the sex chromosomes, X and Y. Read it to get more info on X and Y chromosom..

Human Nervous System
The Human Nervous System

The nervous system is essentially a biological information highway. This tutorial gives an overview of the nervous syste..

Biological Cell Defense
Biological Cell Defense

Organisms employ different strategies to boost its defenses against antigens. Humans have an immune system to combat pat..

Lights' Effect on Growth
Lights’ Effect on Growth

This tutorial elaborates on the effect of light on plant growth. It describes how different plants require different amo..

Salmon jumping upstream in the river
Lotic Communities & Animals

A running water environment offers numerous microhabitats for many types of animals. Similar to plants, animals in lotic..

Population Regulation in an Ecosystem
Population Regulation in an Ecosystem

With regard to the population size of a species and what factors may affect them, two factors have been defined. They ar..

Related Articles...

No related articles found

See all Related Topics