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How to check purity of mustard oil
To check purity of mustard oil is a very tricky task because adulteration in mustard oil is very common nowadays. To gain profit some scrupulous traders often add low-quality oil especially argemone oil with Mustard oil which not only increases the quantity of oil but also reduces the nutritional level and purity of the mustard oil. Consequently, it leads to adverse effects on health.
Are you worried about the quality of mustard oil? According to MyGovIndia, these easy kitchen tips and tricks on how to check purity of mustard oil will help you check the adulteration in mustard oil at home.
How to check purity of mustard oil by freezing test
This freezing test is one of the easy ways to check purity of mustard oil. For the freezing test take out a little amount of mustard oil in a bowl.
Then keep the bowl in the fridge for hours. After some time if the oil is freezing and has white spots.
It will remain liquid and clear then you can conclude your mustard oil has adulteration in it otherwise if it will solidify and become cloudy then you can conclude your oil is pure.
How to check purity of mustard oil by sniffing test
Here are the other effective methods to check purity of mustard oil by sniffing test. For the sniffing test take out a little amount of mustard oil in your palms and rub it thoroughly.
After sometimes if it generates a bad chemical odour and also leaves an adulteration colour on the palm then you can safely conclude your mustard oil is not pure.
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How to check purity of mustard oil by Nitric Acid test
According to MyGovIndia, this nitric acid test is one of the quickest ways to check purity of mustard oil at home.
To perform this nitric acid test in a test tube first pour 2 tablespoons of oil then mix it with 5 ml of nitric acid.
Now shake the mixture well if adulteration is mixed with mustard oil you can see mustard oil starts changing it’s colour from rich golden to orange or red or yellow depending upon the amount of adulteration mixed.
If the colour changes then it indicates the presence of a toxic polycyclic salt called Sanguinarine in argemone oil.
This reaction is very sensitive and the colour changes due to the formation of Sanguinarine nitrate. This indicates that the mustard oil is impure.
How to check purity of mustard oil by smoke point test
Here is another method to check purity of mustard oil by smoke point test.
We all know mustard oil has a high smoke point of about 200 degrees Celsius.
This means it can be heated to a high temperature without smoking or burning.
If the oil starts smoking or crackling at a lower temperature, then you can conclude that your oil is impure. You can also conclude it is a lower-quality oil with it.
How to check purity of mustard oil by water test
Important tips to keep in mind before purchasing Mustard oil
Always check the FSSAI ( logo and licence number label of the mustard oil bottle. You can then reverify the FSSAI licence number of the company online.
Always buy cold-pressed or expeller-pressed mustard oil from a trusted and reputable source.