Define molisch's test or alpha naphthol reaction, Biology

Assignment Help:

Define Molisch's Test or alpha naphthol reaction?

The Molisch test is a common test for the existence of carbohydrates.

Principle

The reaction is due to the formation of furfural or furfural derivatives. Furfural and furfural derivatives are derived from the dehydration of sugars. The dehydration is caused by the action of concentrated sulphuric acid on sugars. Disaccharides, oligosaccharides and polysaccharides are hydrolyzed to yield their repeating monomers by the acid. The alpha-naphthol reacts along with the cyclic aldehydes to make purple coloured condensation products.

1110_Molisch’s Test or alpha naphthol reaction.png


Related Discussions:- Define molisch's test or alpha naphthol reaction

Define isolated soybean proteins in meat product, Define Applications of Is...

Define Applications of Isolated Soybean Proteins in Meat products? The major application of ISP in connection with meat and related products is based on the use of texturized I

Explain activators, Activators Activity  of many  enzymes is  influence...

Activators Activity  of many  enzymes is  influenced by  certain ions called as activators. Large number of enzymes such as hexokinase that require ATF are also in need of diva

Give brief description about the generalised seizures, Generalised Seizures...

Generalised Seizures Generalised seizures are bilaterally symmetrical without focal onset. One subtype, the grand mal attack, is characterised by loss of consciousness and by s

What is the function of enterogastrone, Where is it produced and what is th...

Where is it produced and what is the function of enterogastrone in the digestive process? When the chyme is too fatty there is a secretion of enterogastrone by the duodenum. Th

Process of determination of vitamin B12, Determination of vitamin B 12 ...

Determination of vitamin B 12 Spectrophotometric determination of the characteristic ultraviolet absorption is suitable for the determination of pure vitamin B 12 or of pure

Connective tissue and its types, CONNECTIV E TISSUE Connective tiss...

CONNECTIV E TISSUE Connective tissues are formed by the mesoderm of the embryo. Three components are present in the connective tissues- (i) intercellular medium

Define cellulose, Cellulose Cellulose is found in plants as microfibr...

Cellulose Cellulose is found in plants as microfibrils (2-20 nm diameter and 100-40,000 nm long). These form the structurally strong framework in the cell walls. Cellulose is

Describe the experimental approach using the tools, For many of the mammali...

For many of the mammalian Hox genes, it has been possible to determine that some of them are more similar to one of the insect HOM-C genes than to the others. Describe an experimen

Illustrate in detail about the cell theory, Illustrate in detail about the ...

Illustrate in detail about the Cell theory All living organisms are composed of cells, and they are the basic structural and functional units of life, just like the atom is a

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