Explain the determination of nicotinic acid, Biology

Assignment Help:

Determination of Nicotinic acid

The chemical methods of assay are based on colour reactions of pyridine. Nicotinic acid and nicotinamide are converted by cyanogen bromide into a derivative of the glutacone aldehyde, which is condensed with aromatic amines to form polymethine dyes (yellow colouring reactions).

The microbiological assay involves the titrimetric determination of lactic acid produced by Lactobacillus arabinosus ATCC 8014.

 


Related Discussions:- Explain the determination of nicotinic acid

Explain renal insufficiency, Renal insufficiency  Antimicrobial drugs e...

Renal insufficiency  Antimicrobial drugs excreted through the urinary tract may be toxic for patients with renal insufficiency if they are given in usual therapeutic doses, bec

Theory of embryology - mosaic thoery, MOSAI C THOERY - It was given by...

MOSAI C THOERY - It was given by W. Roux. He studied the development of frog's egg. He destroyed one cells by a hot needle out of 2-cells formed as a result of first cleava

Symbiotic nitrogen fixers - nutrient cycles, Symbiotic Nitrogen Fixers - Nu...

Symbiotic Nitrogen Fixers - Nutrient Cycles Of the symbiotic nitrogen fixing bacteria, species of Rhizobium form root nodules in legumes and are the most studied nitrogen fixe

Infective endocarditis, Infective Endocarditis It is an infection of...

Infective Endocarditis It is an infection of the endocardial surface with micro organisms present in the lesion. The endocardium is contagions with the valves of the heart.

Explain the advantages of shaking water baths, Explain the Advantages of Sh...

Explain the Advantages of Shaking Water Baths? The advantages of using shaking water baths are: (a) Uniform and rapid transfer of heat to the culture can be obtained, and

Define absorption, Define absorption, transport and excretion of magnesium?...

Define absorption, transport and excretion of magnesium? Magnesium absorption to some extent is similar to that of Ca. Absorption of Mg occurs throughout the small intestine, a

Define gender discrimination - public nutrition, Define Gender Discriminati...

Define Gender Discrimination - Public Nutrition? Of the detrimental factors, that affect food security, gender discrimination is the most pervasive and vicious. The fact that h

Plant physiology.., why does the removal of the extremity of coleoptile pro...

why does the removal of the extremity of coleoptile prohibit plant growth?

Male reproductive disorders-aplasia of epidydimis, Aplasia of epidydimis ...

Aplasia of epidydimis This condition is seen in only 1 or 2 % of young bulls and is marked by absence of one (more common) or both epididymis. Bulls having a single epidydimis

Explain the causes of steatorrhoea, Q. Explain the Causes of steatorrhoea? ...

Q. Explain the Causes of steatorrhoea? The list of possible underlying causes of steatorrhoea includes: • Malabsorption • Malabiorptian of fats in small intestine •

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