How to Identify Pure Cold Pressed Mustard Oil?

how to identify pure cold pressed mustard oil

Pure cold pressed mustard oil has a sharp, stingy smell. It looks deep golden-yellow in color and stays liquid in the fridge. Adulterated oil fails all three features.

About 40% of mustard oil sold in Indian markets is adulterated, according to 2025 food safety reports. The most common adulterant, argemone oil, carries a toxic compound which is linked to liver damage and cardiac failure.

At Nayesha Oil Mills, we lab-test every batch before it leaves. We use mustard seeds brought from 200+ Rajasthan farmers and pressed below 50°C.

To understand the label checks, five home tests, and pricing, read below.

What Does a Pure Cold Pressed Mustard Oil Label Actually Look Like?

A genuine cold pressed mustard oil label has specific information on it. It mentions the seed extraction method, the temperature, FSSAI licence number, and lists use of only one ingredient. Missing any of these means the producer is missing information for you to trust the product.

Genuine Labels Carry These Green Flags:

  • "Cold pressed" or "Kacchi Ghani" stated clearly

  • FSSAI licence number written out

  • Extraction temperature stated as below 50°C

  • Single ingredient listed: mustard seeds only

  • Batch number and pressing date visible on the pack

Every Nayesha bottle carries the FSSAI number, batch code, pressing date, and extraction temperature. A customer buying oil and can't watch it being made, deserves to know how it was done.

5 Tests to Identify Pure Cold Pressed Mustard Oil at Home

Some home tests tell you whether mustard oil is genuine or adulterated. The PARAMETERS INCLUDE colour, smell, freezer, turmeric, and blotting paper. They test the most common adulterants: palm oil, argemone oil, and refined neutral oils. 

One pass doesn't guarantee purity. All five passing together is a strong signal:

  1. Pour a small amount into a clear glass and hold it up to the light. Genuine oil is deep golden-yellow, while unfiltered oil may look slightly cloudy. Too clear, too pale, or a greenish tint means something else has been mixed in.

  2. Open the bottle and take a direct sniff. Pure cold pressed mustard oil stings the nose slightly. That's allyl isothiocyanate, a natural compound from the seeds. No smell means it's been processed.

  3. Put two tablespoons in a small container and leave it in the freezer for a few hours. Come back to it. If the oil is still liquid or just slightly thick, it's a good sign. White patches or any hardening means palm oil is in there. 

  4. Add a pinch of turmeric to half a teaspoon of the mustard oil and mix. Wait ten minutes. If the yellow deepens or turns brighter, argemone contamination is likely. Pure mustard oil leaves the turmeric colour unchanged. 

  5. Drop one drop of oil onto a piece of white paper. Leave it for fifteen minutes. Genuine cold pressed mustard oil leaves a stain. If the stain is dark, greasy, or spreads widely, refined oil has been mixed in. 

is your mustard oil pure

Where to Buy Pure Cold Pressed Mustard Oil and What to Expect on Price?

To buy cold pressed mustard oil that's genuinely tested, look for producers who name the extraction temperature, show the batch number, and carry an FSSAI licence number. Transparency on these points is the real purity signal. 

What To Expect On Pricing In India?

Cold pressed mustard oil price in India runs between ₹200 and ₹350 per litre. Refined mustard oil costs ₹120 to ₹180. The gap exists because cold pressing extracts less oil per kilogram of seed and uses no chemical solvents to squeeze out more.

A bottle priced like refined oil but labelled cold pressed is cutting corners somewhere usually on temperature, which destroys the nutrients you're paying for.

Pricing To Expect:

  • Refined mustard oil: ₹120–₹180 per litre

  • Cold pressed mustard oil: ₹200–₹350 per litre

  • Bulk packs (5L and above): lower cost per litre

At Nayesha Oil Mills, we press in small batches with wooden churners, below 50°C, from seeds sourced from 200+ Rajasthan farmers. Every batch is lab-tested before it leaves. No chemicals. No adulterants and available in 1L, 2L, 5L, and 15L packs.

To order from Nayesha Oil Mills, Call +91 73004 83669.

Frequently Asked Questions

How to identify pure cold pressed mustard oil at home? 

Check the label first: look for "cold pressed" or "Kacchi Ghani," an FSSAI licence number, and a single ingredient (mustard seeds). Then run five physical tests: colour check, smell test, freezer test, turmeric test, and blotting paper test. Pure oil is deep golden-yellow, sharply pungent, and stays liquid in the freezer. 

What colour is genuine mustard oil? 

Deep golden-yellow, sometimes with a slight amber tone. Unfiltered cold pressed mustard oil may look slightly cloudy. That's natural and a good sign. Too-clear or pale yellow oil has likely been refined or diluted. 

Does pure mustard oil freeze in the fridge? 

No. Genuine mustard oil stays liquid at refrigerator temperature. If white spots appear or the oil partially solidifies, palm oil has been mixed in.

What is the price of cold pressed mustard oil in India? 

Genuine cold pressed mustard oil costs ₹200 to ₹350 per litre. Refined mustard oil costs ₹120 to ₹180. The gap exists because cold pressing extracts less oil per kilogram of seed and uses no chemical solvents. 

Why does pure mustard oil smell so strong? 

The sharp smell comes from allyl isothiocyanate, a natural compound that forms when mustard seeds are cold pressed. It's a sign of quality, not a sign of something wrong. 

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