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...

Physiological Homeostasis
Physiological Homeostasis

Homeostasis is essential to maintain conditions within the tolerable limits. Otherwise, the body will fail to function p..

Developmental Biology
Developmental Biology

Developmental biology is a biological science that is primarily concerned with how a living thing grows and attains matu..

Cells in different stages of meiosis
Meiosis – The Genetics of Reproduction

Meiosis is a form of cell division that creates gametes. It is comprised of two divisions that in the end, the resulting..

temperature - abiotic factor
Abiotic and Biotic Factors

This tutorial deals with the abiotic factors of the freshwater environment that determine what sort of life would be sui..

Still freshwater and plants
Still Freshwater & Plants

Plants in lentic habitats have features not found in terrestrial plants. They acquired these features as they adapt to t..

Nephrolepis exaltata
Vascular Plants: Ferns and Relatives

Ferns and their relatives are vascular plants, meaning they have xylem and phloem tissues. Because of the presence of va..

Related Articles...

No related articles found

See all Related Topics