A simple rapid chromogenic test for detection of palm oil adulteration in milk

Abstract

Adulteration of milk is a big problem in India especially in lean season. Fraud milk traders, for earning more money, use to adulterate vegetable oil in milk, especially those oil has same fatty acid profile like milk fat. Palm oil has very similar fatty acid profile with milk fat, so incidents of adulteration of palm oil is increasing day by day. In past various techniques been applied for detection of oil adulteration in milk or milk fat, but most of these protocols or technique are time consuming and tedious, so it is not possible to apply those protocol under field conditions. Considering all facts a simple DPPH based chromogenic test been developed for detection of palm oil adulteration in milk or milk fat. The said protocol able to detect 5% level of palm oil adulteration in milk. Hence this said protocol is rapid very less expensive as well as no need of skill man power, thus this protocol could be used as a rapid method for detection of palm adulteration oil in milk.