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

Schematic representation of curser position of pulse wave, A lot of hemodyn...

A lot of hemodynamic information including maximum and mean velocity, maximum and mean pressure gradients and pressure half time can be obtained from Doppler trace that helps in

Facilitation model - models of succession, Facilitation Model - Models of S...

Facilitation Model - Models of Succession This is considered as the classical model of succession. It is based on the assumption that species of a previous stage are replaced

Explain cell cycle, Q. What is the cell cycle? The Cell cycle, or mitot...

Q. What is the cell cycle? The Cell cycle, or mitotic cycle, is the time period that begins when the cell is finishes and created when it is divided by mitosis creating two dau

Amino acid, Amino acid is any of a class of 20 molecules which are combine...

Amino acid is any of a class of 20 molecules which are combined to form the proteins in living things. Consisting of the general formula NH2-CHR-COOH, where "R" is the side chain

Standardisation research of luria nebraska, Standardisation Research of Lur...

Standardisation Research of Luria Nebraska There are published manuals for the Luria Nebraska that define the battery in detail and provide information pertinent to validity,

LPN, In many tests it is acceptable to read a positive result before the in...

In many tests it is acceptable to read a positive result before the incubation time is completed. why is this not the case with starch agar?

How is the human karyotype usually represented, Can two normal individuals ...

Can two normal individuals of the same species with sexual reproduction have identical genomes and identical karyotypes? How is the human karyotype usually represented? Except

How to calculate fractional shbrtening, Q. How to calculate Fractional Shbr...

Q. How to calculate Fractional Shbrtening? With the cursor- beam cutting the left ventricle just beyond the tips of mitral valve in an adequate parasternal long axis view,

Define absorption, Define Absorption, Transport and Excretion - Calcium? ...

Define Absorption, Transport and Excretion - Calcium? Calcium (Ca) in food occurs as calcium salts e.g. calcium phosphate or is associated with other dietary constituents e.g.

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