In this answer, purity of ghee is tested by comparing home made ghee with store bought ghee. Store bought ghee is adulterated with three main ingredients. Learn about adulteration of ghee, types of adulterants, detection of adulterants in ghee. Buy unadulterated Pure Desi Ghee at VedicGiftShop. Detection of adulteration of ghee (clarified milk fat) with palm olein and sheep body fat using Reichert-Meissl (RM) value coupled with solvent.

Author: Akikasa Totaxe
Country: Denmark
Language: English (Spanish)
Genre: Relationship
Published (Last): 4 July 2018
Pages: 225
PDF File Size: 8.65 Mb
ePub File Size: 1.11 Mb
ISBN: 964-7-40308-549-5
Downloads: 51769
Price: Free* [*Free Regsitration Required]
Uploader: Kazizilkree

Continued heating until the solids are toasted not burnt and turns a light brown colour. If, after some time, the bottom layer shows pink or red colour, the sample is adulterated with rancid ghee. If the sample is adulterated, the ghee and the coconut oil will solidify in separate layers.

After five minutes, if a red colour appears in the bottom of the ghee then the sample contains vegetable oil.

Footnotes Source of Support: Between these two peaks in vhee of the spectra, one remains unchanged while the absorbance of another peak changes with the changing proportion of tallow in ghee. Consuming ghee, therefore, helps in building a strong immune system. There are other tests that need to be conducted in a laboratory environment.

Test for adulteration with sweet potato, mashed potato and other starches Item required: Homemade ghee will not have any undesirable additives. The normal absorption spectra of ghee and tallow of all the samples were recorded in the range nm using a PerkinElmer UV-visible recording spectrometer Model — Lambda Shake well, i the mix to stand for 10 min.

Detection of tallow adulteration in cow ghee by derivative spectrophotometry

It is said that unrefined vegetable oils, old and rancid ghee, animal fats, coal tar dyes and other substances are mixed with ghee by unscrupulous elements to increase the quantity being sold. Use it for cooking or even simply drizzle it over dishes for a healthy and delicious taste. The problem of detecting adulteration of ghee in India in very complicated and needs serious thoughts over it at all levels.


Take ml of melted ghee in a test tube. Detection of refined animal and vegetable fats in adulteration of pure milkfat. The absorbance of the Peak 1 remains almost same in all the samples while in Peak 2, the absorbance is the highest in ghee and steadily decreases with the increasing concentration of tallow in ghee and is the lowest in tallow.

Its supply is lower than demand. Jirankalgikar and Subrata De. According to Ayurveda, ghee promotes intellect, is good for bone health and digestion of food. Before vegetable oils came into existence, ghee was the primary medium of cooking food. J Am Oil Chem Soc. Easy way to detect. J Nat Sci Biol Med. Ghee is one of the important dairy products in India and is normally prepared by using cow milk or buffalo milk.

Though the laboratory tests are more accurate in determining adulteration, for finding out the suitability of consumption the home tests will suffice. Ghee and tallow taken in chloroform as such and mixed in different proportions were scanned by spectrophotometer and their second order spectra were analyzed. The naturally occurring butyric acid in ghee can help in the treatment of these diseases.

Detection of Adulteration in Ghee

Add 5ml of 0. Melt a small quantity of the ghee and pour into the glass jar. There are no reliable tests that can be conducted at home for this type of adulteration. A glass jar which can be stored in the fridge.

Detection of tallow adulteration in cow ghee by derivative spectrophotometry

Technical Handbook of Oils, Fats and Waxes. The data reveals that there are clear differences in the second order derivative spectra of tallow and cow ghee. An on-line differential converter, for obtaining the first derivative of absorption spectra. Add a pinch of sugar. The two absorption peaks, one at about nm Peak 1 and the other around nm Peak 2 are seen in all the samples. Although some people disagree, most nutritionists, doctors and health professionals believe that ghee in reasonable amounts is good for health.


Even then, ghee remained the preferred medium for special dishes on special occasions. Butyric acid in the gut supports the production of T-cells which are the cells that fight infections and bacteria. Support Center Support Center. Add a few drops of the iodine solution to the melted ghee. Of course, it is important to ensure the purity of the ghee that you consume.

Add this mixed solution to about 10 ml of melted ghee. When it starts releasing a nutty aroma, you know that the ghee is ready. The study reports a rapid, sensitive, cost-effective derivative spectrophotometric method for detection of tallow adulteration in cow ghee.

Test tube stand Aduteration One gram of pure ghee and tallow were taken separately, melted by warming, 10 ml chloroform analytical grade from Merck India was added, sonicated for 15 min to make it homogenous and were used as stock solution.

Place inside fridge until the sample is hard. Detection of adulterants and their estimation is a key concern over many years.

Cow ghee was prepared in-house from pure cow milk.