घी में वनस्पति की मिलावट का कैसे पता लगाते हैं? How to detect the presence of Vanaspati in ghee?

Principle and procedure for the detection of vanaspati in ghee using Baudouin test
#Baudouintest #vanaspati #ghee #testing #laboratory #adulteration #milawat
1 In a test tube take about 5 g of melted fat.
2. Add 5 ml of concentrated HCl (AR grade).
3. Add 0.4 ml furfural solution (2% in alcohol) and vortex the tube for 2 min.
4. Leave the tube undisturbed for separation.
5. In presence of vanaspati, pink or red color will get developed in the test tube.
6. Confirm by adding 5 ml distilled water and shake again.
7. Persistence of the color in the acid layer, confirms presence of vanaspati. If the color disappears, vanaspati it is absent.