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Extraction Technology June 4, 2026

The Physics of Cold-Pressing: Preserving Volatile Antioxidants in Carrier Oils

Analyzing how maintaining low mechanical friction temperatures protects volatile compounds, terpene fractions, and fatty acids.

By Jean-Pierre Laurent, Master Distiller
Carrier and essential oils are highly sensitive to thermal degradation. Standard industrial expeller pressing can generate friction temperatures exceeding 90°C (194°F). While this high heat increases oil yields, it alters the delicate molecular structures of essential fatty acids and volatile terpene compounds, stripping the oil of its therapeutic qualities. The Chemistry of ColdPressed Oils Coldpressing is a mechanical extraction method that squeezes oils out of seeds, nuts, or fruits without using external heat or chemical solvents. By keeping extraction temperatures low, we preserve the vital phytonutrients that make botanical oils therapeutically active:...
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