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Practical Demo of Milk Urea Detection Kit by Dr Gulshan Narang (Hindi and English) (720p HD)

1,616 views · Published 31 August 2017 · 8:47 · Indexed 8 November 2026

Channel: Sukhdev Taneja · 2017 · Science & Technology

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Watch out brief demonstration of Urea Kit for On-Site Testing of adulterated milk by Dr Gulshan Narang (D.I.O, Veterinary Public Health and Epidemiology, LLR UVAS).

To get more profits, some milkman prepared synthetic milk which is very cheap and sold at the rate of natural milk. Synthetic milk consists of vegetable fat, detergent powder and urea mixed in water containing salt. This milk is similar to natural milk in colour, fat content, smell, taste and specific gravity. Around 1.0 percent urea is added to make up normal protein levels of the synthetic milk. 

Consumption of synthetic milk or its product like urea can damages liver, heart and kidneys and also causes swelling of limbs and impaired vision.

There was a need for rapid tests for the detection of urea in the milk to prevent the adverse health hazards to common man. 

Dr Gulshan Narang of the Veterinary Public Health and Epidemiology, CoVS, LLR UVAS has developed a field spot test to detect urea in milk. 

The principle of test is that urea reacts with the indicator giving a colored reaction which can be visualized within a minute. 

Usually 0.9 to 1.0 percent urea is added for making synthetic milk. Urea is added to make the protein content and increasing the SNF content of the milk. Without addition of urea the protein levels of the milk can not be achieved.

Procedure:

i) Put a drop of indicator solution A on the filter paper and let it absorb.
ii) Put a drop of the test milk sample on the indicator drop.

If our test milk develop immediately yellow colour around the milk drop, it means our simple is mixed with Urea. That sample is contaminated with the Urea.

All content of this video is created by Sukhdev Taneja for creating public awareness among common man for detecting urea adulteration in the synthetic milk.

How to check Water Adulteration in Milk by using Lactometer in Home (Hindi) - https://www.youtube.com/watch?v=MV7lO...

Milk Urea Detection Kit for On-Site Testing of Milk ~ Dr Gulshan Narang (Hindi) - https://www.youtube.com/watch?v=66bC0...

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