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

Social determinants of health - food, Social Determinants of Health - Food ...

Social Determinants of Health - Food The twin paradox of food i.e., research showing excessive intake can lead to a variety of diseases whilst at the same time food poverty be

What respectively are zygotic meiosis, What respectively are zygotic meiosi...

What respectively are zygotic meiosis, gametic meiosis and sporic meiosis? Zygotic meiosis is the one that happens in the haplontic haplobiontic life cycle. Gametes from adult

Advantage and disadvantage of steam sterilization, Q. Advantage and Disadva...

Q. Advantage and Disadvantage of steam sterilization? Advantage: most efficient and reliable sterilization method available. Its quite simple to operate and relatively inexpens

What are holandric genes, What are holandric genes? Holandric genes are...

What are holandric genes? Holandric genes are genes situated in the nonhomologous region of the Y chromosome. Holandric genes condition phenotypes that emerge only in men as in

Alcohol related emergencies, Alcohol Related Emergencies: Alcohol is o...

Alcohol Related Emergencies: Alcohol is one of  the most serious health problems. Alcoholism is defined as a primary or chronic disease with genetic, psychological and environ

Respiration, how respiration takes place in mammls and reptiles

how respiration takes place in mammls and reptiles

Define efficiency - terminologies used in chromatography, Define Efficiency...

Define Efficiency - terminologies used in chromatography? Efficiency in chromatography is expressed as number of theoretical plates.           H =   L/N Where, H is heigh

What are rna polymerase subunits, Each of the three eukaryotic RNA polymera...

Each of the three eukaryotic RNA polymerases has more subunits or 12 and so these are big complex enzymes. The genes encoding some of the subunits of each  eukaryotic  enzyme  show

How sugar used in flavors and mouthfeel, How sugar used in Flavors and Mout...

How sugar used in Flavors and Mouthfeel? In frozen desserts, sugars balance flavor and mouthfeel. Since low temperatures tend to numb the taste buds, sugars enhance flavors, th

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