What is the definition of polyphenols, Biology

Assignment Help:

What is the Definition of Polyphenols?

Polyphenols are the compounds that contain an-ON group attached to the benzene ring. The main classes are: flavonoids, phenolic acids and polyphenols (tannins). They arise from common intermediates pllenylalanine or its precursor shikimic acid. Natural phenolic compounds range from simple ones like hydroxybenzoic acid to highly polymerized ones e.g. tannins. They arc glycosylated by one or more suga residues. The OH groups linked can be glucose, galactose, rhsunnose, xylose or arabinose, glucuronic or galacturonic acids.


Related Discussions:- What is the definition of polyphenols

Radial and biradial - metazoa, Radial and Biradial-Metazoa Radial sym...

Radial and Biradial-Metazoa Radial symmetry is the symmetry in which the parts are so arranged around a central axis or shaft, like the spokes of a wheel, that any vertical c

Explain vitamin B complex, Vitamin B Complex The vitamin B complex comp...

Vitamin B Complex The vitamin B complex comprises the vitamins B 1 , B 2 , B 6 and B 12 as well as the vitamin B factors biotin, folic acid, nicotinic acid and its amide as w

Genetics, What does skin color in man shows?

What does skin color in man shows?

Pollen stigma interaction - stigma, Pollen Stigma Interaction - Stigma ...

Pollen Stigma Interaction - Stigma The Stigma After landing on the stigma pollen grain germinates, and produces a pollen tube that carries the male gametes. The stigma has bee

Measures to be taken to avoid fire and in event of a fire, (a)    Bedroom ...

(a)    Bedroom :                    ·           Do not place room heaters near any inflammable materials.                  ·           Do not use heaters

What is anti-arrhythmic pacemaker defibrillators, What is Anti-arrhythmic p...

What is Anti-arrhythmic pacemaker defibrillators ? Antiarrhythmic drugs (AADs) are classified according to whether they exert blocking actions predominantly on sodium, potassiu

How different are gymnosperms from bryophytes, How different are gymnosperm...

How different are gymnosperms from bryophytes and pteridophytes? Gymnosperms are not cryptogamic as bryophytes and pteridophytes are. They are phanerogamic and so they form flo

Economic importance of wild life, ECONOMI C IMPORTANCE OF WILD LIFE  - ...

ECONOMI C IMPORTANCE OF WILD LIFE  - (i) Plants - Produce food. Provide Timber, paper, gums, drugs, pigments, fibres, rubber, oils, condiments & fuel. Release O

Determine the occurrence of vitamin D, Occurrence of Vitamin D Choleca...

Occurrence of Vitamin D Cholecalciferol is synthesized in the skin by the action of ultraviolet light on 7-dehydrocholesterol which is widely distributed in animal fat. Vitami

Resource use of biodiversity, Biodiversity is multiple resource based offer...

Biodiversity is multiple resource based offering us a range of products, materials and services. Our survival and well being of man-kind is directly dependent on biodiversity. Biod

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd