Best CO2 Extraction Method for CBD: A Supercritical Guide

Introduction

CBD (Cannabidiol) is a major non-psychoactive cannabinoid derived from hemp and cannabis, widely used in pharmaceuticals, wellness products, and nutraceuticals. The extraction method plays a crucial role in determining the purity, potency, and quality of CBD oil.

Traditional methods, such as solvent extraction (ethanol, butane) and steam distillation, often lead to residual solvents, loss of minor cannabinoids, and poor terpene retention.

CO2 supercritical extraction (CO2 SUPERCRITICAL EXTRACTION MACHINE) is the gold standard for CBD extraction, offering high purity, precision, and solvent-free processing. This article explores the best CO2 extraction methods for CBD, key parameters, experimental data, and industrial applications.

1. Principles of CO2 Supercritical Extraction for CBD

CO2 becomes a supercritical fluid at 31.1°C and 7.38 MPa, making it an ideal solvent for extracting CBD, minor cannabinoids (CBG, CBC), and terpenes while leaving behind undesirable plant materials like chlorophyll, waxes, and fats.

The CO2 supercritical CBD extraction process consists of:...

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