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

Nutrition, definition of dietary factors. or what are dietary factors?

definition of dietary factors. or what are dietary factors?

Erythrocytes or red blood cells, Erythrocytes or red blood cells: Th...

Erythrocytes or red blood cells: These are otherwise called Red Blood cells or corpuscles. These are the most numerous cells in the blood.There are about 4.5 to 5.5x 10 9

What are the fat requirements of athletes, What are the Fat Requirements of...

What are the Fat Requirements of athletes? Fats are the body's other major energy source. It  is  a  well  known  fact  that fat  is  a highly concentrated source of energy

The progeny is expected to have homozygous genotypes, If a plant of genotyp...

If a plant of genotype A/a is selfed, and numerous offsprings are scored, what proportion of the progeny is expected to have homozygous genotypes?

Write short note on ames test, Question 1 Describe any two possible mec...

Question 1 Describe any two possible mechanisms of mutagenesis 2 Explain any five functions of Endoplasmic reticulum 3 Write short note on Ames test 4 Describe the structure an

Estimation of protein by carcass nitrogen analysis method, Define Estimatio...

Define Estimation of protein by Carcass nitrogen analysis method? Carcass nitrogen analysis: This method includes Nitrogen retention method Net protein utilization

Classification of fishes, Q What are the two major classes into which fishe...

Q What are the two major classes into which fishes are divided? Ans. Fishes are divided into two major classes: osteichthyes, bony fishes (tuna, sardines, salmons) , and chondr

What are the phenotypical proportions in f1 and f2, Considering the hybridi...

Considering the hybridization in a trait like the color of the flowers of a given plant species (yellow recessive / red dominant) conditioned by a pair of different alleles, what a

Effect of somatostatin for the pancreatic hormonal secretion, Q. What are t...

Q. What are the effects of somatostatin for the pancreatic hormonal secretion? Somatostatin inhibits both glucagon and insulin secretions.

Why is it important to be familiar with the laboratory, Why is it important...

Why is it important to be familiar with the laboratory apparatus and their uses? If you do not use instruments or lab apparatuses correctly (or use an apparatus for something i

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