Is Your Mustard Oil Pure? 6 Easy Home Tests to Spot Adulteration Now!

• Paper test: Deep yellow stain indicates adulteration; pure oil leaves no stain.
• Palm rub test: Pure oil leaves no color, remains greasy, and has a pungent smell.
• Refrigerator test: Pure oil stays liquid; fake oil freezes or shows white spots (palm oil).
• Heating test: Pure oil produces smoke and a pungent smell; fake oil has a faint smell.
• Nitric acid test: Oil turning red after adding nitric acid indicates adulteration.
• Color & Aroma: Deep color and a burning, pungent smell are signs of pure mustard oil.

Why It Matters: Identify pure mustard oil at home using simple tests like paper, palm rub, and refrigeration to avoid harmful adulterants.