Determine the occurrence of vitamin A, Biology

Assignment Help:

Determine the Occurrence of vitamin A

In the vegetable kingdom, vitamin A  probably occurs in the form of its provitamins which belong to the group of carotenes. Carrots, spinach, lettuce, celery leaves,mangoes, papaya and dried apricots are especially rich in carotenes and carotene isomers. In the human beings and animals, you should know, the provitamins (carotenes) are converted into vitamin A in the intestinal mucosa.

The most important provitamin is  β-carotene. Other important sources of preformed vitamin A are the fish-liver oils (like codfish, Salmon, tunny fish and whale), butter, milk, egg yolk and animal liver.

 


Related Discussions:- Determine the occurrence of vitamin A

How is respiration performed by the larva of amphibians, Q. How is respirat...

Q. How is respiration performed by the larva of amphibians? The larva of amphibians has exclusively branchial respiration this is one of the reasons why it depends on water to

What do you mean by systematic zoology, Q. What do you mean by Systematic Z...

Q. What do you mean by Systematic Zoology ? It contains articles on animals systematic, and papers dealing with cytological attributes of species and higher taxa, distribution p

Interesting areas of bioinformatics, Looking at what the academic world is ...

Looking at what the academic world is publishing, microarray research is actually hot right now, and people haven't quite figured out what the best way is (some might argue if we s

Endocrine regulation of the cycle - reproduction, Endocrine Regulation of t...

Endocrine Regulation of the Cycle - Reproduction You have learnt above that the reproductive cycles are governed by the interplay of pituitary and gonadal hormones. According

Differences between cells of prokaryotes and eukaryotes, Differences betwee...

Differences between cells of Prokaryotes and Eukaryotes The prokaryotes also differ from the eukaryotes in many other ways, as you can see from Table. Table: Differences

.excretion, name the blood vessel which bring waste product to kidney

name the blood vessel which bring waste product to kidney

Control of radio-pollution , (i)        Area uses or perm...

(i)        Area uses or permit exposure to radiation should be Marked' Restricted Area 'or Radiation zone etc. (ii)        Avoid x-rays of chest and lower back in routine physic

Water and carbon dioxide towards the consumption of product, Q. What are th...

Q. What are the consequences of shifting the chemical equilibrium of the formation of bicarbonate from water and carbon dioxide towards the consumption of products of the reverse r

Explain about the methods of food processing, Explain about the Methods of ...

Explain about the Methods of Food Processing? In the earlier unit we learnt about the principles and traditional methods of food processing. Now in the next two units we will f

What are plankton, What are plankton, benthos and nekton? Plankton, ben...

What are plankton, benthos and nekton? Plankton, benthos and nekton are the three groups into which aquatic living beings may be divided. The plankton is formed by algae and

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