Procedure for testing vanaspati and rancidity in ghee, Biology

Assignment Help:

Procedure for testing Presence of Vanaspati and Rancidity in Ghee?

Carry out the steps enumerated herewith for conducting this exercise.

For Vanaspati Checking:

1. Take 5 ml of ghee in a stoppered test tube.

2. Add 5 ml of concentrated HCl and shake.

3. Add 5 ml of 2% furfural solution and shake. Observe for the colour in acid layer.

4. Development of pink colour in acid layer indicates the presence of vanaspati.

Rancidity Test:

1. Take 5 ml of melted ghee in a test tube.

2. Add 5 ml of concentrated HCl and shake.

3. Add 1 ml of 0.1% Phloroglucinol and observe for development of a colour. If pink colour develops, it is a positive test, i.e., ghee is rancid.


Related Discussions:- Procedure for testing vanaspati and rancidity in ghee

Explain terbinafine, Explain Terbinafine Terbinafine (Lamisil)  -  Ter...

Explain Terbinafine Terbinafine (Lamisil)  -  Terbinafine is a synthetic allylamine approved by the FDA for treatment of onychomycosis of the toenail or fingernail due to derm

Zoo flagellates, #question names of 10 zoo flagellates

#question names of 10 zoo flagellates

If jean-baptiste de lamarck was correct so result will be, If jean-Baptiste...

If jean-Baptiste de Lamarck was correct, than a. Natural selection would lead to the spread of favourable traits within a population b. Finches that stretched their beaks to access

What is the significance of elastic capsule chromatophore, What is the sign...

What is the significance of Elastic capsule chromatophore? Specialized pigmented cells on surface of the cephalopods that, by changing their shape, expose differing amounts of

Role of carbohydrates in dyslipidemia, Q. Role of Carbohydrates in dyslipid...

Q. Role of Carbohydrates in dyslipidemia? It is important to know about these carbohydrates, as they all differ in their digestive properties. The rate of absorption is variabl

Description and measurement of circadian rhythms, The description and measu...

The description and measurement of circadian rhythms. Describe the standard method used for the recording and graphing of behavioral rhythms in animals, especially the use of

How does the nervous system get information about organs, How does the nerv...

How does the nervous system get information about the external environment, the organs and the tissues? Information about the conditions of the external and internal environmen

Accidents and losses, Accidents and Losses Accident can be considered ...

Accidents and Losses Accident can be considered as an incident occurring without intention and results in injury, loss of body part or even death of a human being or a few per

What is the mitotic apparatus, Normal 0 false false false ...

Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4

Oxidation reduction potential, what exactly is oxidation and reduction pote...

what exactly is oxidation and reduction potential and how its an imp. factor in spoiling meat

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