Cold-Pressed Oils vs Refined Oils: What Studies Reveal About Health, Purity, and Flavor

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Abarna Manikandan

Nov 21 2025


        Cold-Pressed Oils vs Refined Oils: What Studies Reveal About Health, Purity, and Flavor

Why Your Cooking Oil Choice Matters

Cooking oil is more than a kitchen staple — it’s a daily health decision. Studies show that over 40% of Indians consume refined oil as their primary fat source, but awareness about cold-pressed alternatives has grown rapidly in recent years (FSSAI India Report, 2025).

Unlike refined oils, cold-pressed oils retain their natural antioxidants, vitamins E and K, and essential fatty acids, which play a key role in reducing inflammation and improving heart health.

What Is Cold-Pressed Oil?

Cold-pressing is a mechanical extraction method where oil is obtained by pressing seeds or nuts at temperatures below 50 °C.
This process avoids the use of chemical solvents or high heat, preserving the oil’s natural nutrients.
Common examples include:

A 2024 study from the Journal of Food Science & Technology India found that cold-pressed oils retain up to 90% of natural vitamin E content, compared with less than 30% in refined oils.

How Refined Oils Are Made — and What Gets Lost

Refined oils undergo multiple steps — bleaching, deodorizing, and chemical extraction using hexane — to improve shelf life and appearance.

While this gives a neutral taste, it destroys delicate phytonutrients and heat-sensitive compounds.

Refined oils also contain residual trans-fats (up to 0.5%) formed during hydrogenation, linked to cardiovascular risk (ICMR Dietary Guidelines, 2024).

Property Cold-Pressed Oil Refined Oil
Extraction Method Mechanical press Chemical solvent + heat
Temperature < 50 °C > 200 °C
Nutrient Retention High (Vit E, antioxidants) Low
Shelf Life Moderate Long
Health Impact Supports heart and skin health May contain residual chemicals

Focus on Cold-Pressed Coconut Oil

Among all varieties, cold-pressed coconut oil is one of the most researched. A 2023 study in Nutrients Journal reported that medium-chain triglycerides (MCTs) in coconut oil enhance metabolism and improve lipid profiles when used in moderation. Its antimicrobial properties help maintain gut health and strengthen immunity — making it popular for both cooking and skincare.

To ensure purity, always check for labels such as “cold-pressed,” “unrefined,” and “chemical-free.”

Health Benefits of Cold-Pressed Oils

  • Heart Health: Rich in HDL-boosting monounsaturated fats
  • Antioxidant Protection: Retains tocopherols (Vit E) that fight oxidative stress.
  • Better Digestion: Easier on the liver than chemically processed oils.
  • Enhanced Flavor & Aroma: Natural taste that complements traditional Indian recipes.

According to the National Institute of Nutrition (2025), replacing refined oil with cold-pressed options can reduce LDL cholesterol levels by 10–12% over eight weeks.

Practical Tips for Consumers

  • Use cold-pressed oils for low to medium heat cooking (up to 180 °C).
  • Store in dark glass bottles to preserve antioxidants.
  • Alternate between coconut, groundnut, and sesame oils for balanced fat intake.
  • Avoid mixing cold-pressed and refined oils — it negates nutritional benefits.

The Ulamart Commitment

At Ulamart, every cold-pressed oil is extracted in small batches using traditional wood-press techniques.
Our oils are unrefined, chemical-free, and tested for purity, ensuring you get authentic flavor and maximum nutrition in every drop.

Explore Ulamart’s Cold-Pressed Oils Collection