Physico-chemical properties of niacin, Science

Assignment Help:

Important physico-chemical properties of niacin and niacinamide are as follows:

a)  Niacin is a white crystalline solid.

b) While niacin  is sparingly soluble in water, ethanol and glycerol, niacinamide  is readily soluble in water.

c)  Niacin is  fairly  heat  stable  and can withstand  a  temperature of  120°C  for  20 minutes in  acid or alkali. It is one or'the most stable vitamins.

d)  Niacinamide is converted into niacin if heated in strong acid or alkali.

 


Related Discussions:- Physico-chemical properties of niacin

Explain emphysema - histotoxic hypoxia, Explain Emphysema - Histotoxic Hypo...

Explain Emphysema - Histotoxic Hypoxia Emphysema is a chronic respiratory disease where there is an over- inflation of the air sacs (alveoli) in the lungs, causing a decrease i

Explain the hypersecretion during childhood, Explain the Hypersecretion dur...

Explain the Hypersecretion during childhood Hypersecretion during childhood: Due to an increased secretion of the growth hormone, gigantism occurs. There is an excessive skelet

Expanding universe, The Expanding Universe: Hubble's observations had...

The Expanding Universe: Hubble's observations had proved  the existence of  galaxies. After mapping as many galaxies as could be seen by  the telescopes then'available, he tu

Explain error catastrophe theory of ageing, Explain Error catastrophe theor...

Explain Error catastrophe theory of Ageing As the cells age, there is a random increase in error in protein synthesis due to insertion of wrong amino acids. They become non- fu

Scientific method, The effect of varying the pH of the yeast solution on th...

The effect of varying the pH of the yeast solution on the functioning of an enzyme catalase

Frog, how camouflage occurs

how camouflage occurs

Explain how insulin secretion regulated, Explain how Insulin Secretion Regu...

Explain how Insulin Secretion Regulated It is interesting to note that blood sugar level itself controls insulin secretion. How? When blood sugar level rises, insulin secretion

Explain pus formation, Explain Pus Formation Once a neutrophil finds a ...

Explain Pus Formation Once a neutrophil finds a foreign particle or a bacterium, it will engulf it releasing enzymes, hydrogen peroxide and other chemicals from its granules to

Zoology, what do you mean by "super class" species "pisces"?

what do you mean by "super class" species "pisces"?

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