How to identify pure ghee at home
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5 Basic steps you can try at home to identify your ghee purity:
- The Heat Test
Take small amount of ghee in a pan or a spoon. Heat this ghee over a flame. If ghee is pure, it will melt quickly, turn brownish and leave a nutty smell. If the ghee is impure, it will take some time to melt and may turn yellow or foam. Although, sometimes foaming may also mean presence of moisture is some cases.
2. The Palm Test
Take some ghee in your palm. If the ghee is pure it will melt quickly and start to flow. If the ghee is impure it will take time to melt or may not even melt for a long time. This may indicate the presence of palm oil.
3. The Water Test
Take a glass of water. Now drop some ghee at room temperature in the glass. If the ghee is pure it will float on water. Since pure ghee's density is less than that of water, it floats on water. If ghee has been adulterated with an oil that has higher density, the ghee will sink in water.
4. The Iodine Test
This test is done to test the presence of starch (potato). When ghee is adulterated with an oil, to make it thicker and increase it's volume, mashed potato is added. This can be checked by starch test. get a bottle of iodine from any pharmacy near you. Take some ghee in a bowl and now add few drops of iodine in the ghee. If the ghee is adulterated with starch, it will turn black. If there is no such adulteration, ghee will not change its color.
5. The Melt Freeze Test
For this test, first melt the ghee. Now put it in a glass jar and place the jar in a fridge. After the ghee has solidified, check the ghee. If the ghee has frozen evenly without any different layers, it is most likely pure. If the ghee has formed different layers or if the top layer of ghee is stilt liquid and has not frozen at all, then ghee is adulterated.