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

Nervous tissue and its components, NE R V OU S TISSUE The nervous...

NE R V OU S TISSUE The nervous tissue in general develops from the ectoderm of the embryo, but the microgliocytes. It does not have a matrix. The special properti

Pathophysiology of mitral stenosis, Q. Pathophysiology of mitral stenosis? ...

Q. Pathophysiology of mitral stenosis? Normally there is no pressure gradient between left atrium and the left ventricle during diastole. However, as the valve orifice size dec

Properties of transparency factors in corneal hydration, What are special p...

What are special properties of transparency factors in corneal hydration of cornea? The factors affecting the transparency include special properties of the corneal epitheliu

How is the ovulation date estimated, How is the ovulation date estimated wi...

How is the ovulation date estimated with the control of the woman's body temperature? One method to estimate the exact ovulation day is daily control of the body temperature ta

What is biotin, Biotin Biotin forms long, colourless needles or a white...

Biotin Biotin forms long, colourless needles or a white crystalline powder. It is sparingly soluble in cold water, but more soluble in hot water and dilute alkalis. Biotin is s

Can pathophysiology causes cardiovascular disease, Q. Can Pathophysiology c...

Q. Can Pathophysiology causes cardiovascular disease? Cigarette use activates platelets, increases circulating fibrinogen, increases heart rate, and elevates blood pressure. It

Explain adverse effects of bronchospasm, Adverse Effects of Bronchospasm ...

Adverse Effects of Bronchospasm Nasal and throat discomfort can occur. Bronchospasm, sometimes severe, has been reported uncommonly in patients with reactive airway disease; za

Reptiles, biting mechanism in snakes

biting mechanism in snakes

Explain hypertension in biochemical or physiological risk, Explain Hyperten...

Explain Hypertension in biochemical or physiological risk factors? The importance of elevated BP as a risk factor for CAD, heart failure, cerebrovascular disease and renal fail

What is the significance of choanocyte, What is the significance of Choanoc...

What is the significance of Choanocyte? Unique collar-shaped cells whose flagella are responsible for generating water current in the sponge. As flagella beats, food particles

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