How are botanical compounds extracted from herbs?

Chris Kilham
Alternative & Complementary Medicine
Different botanical extraction methods allow for the separation, isolation, and concentration of key active components naturally found in the herb. Extraction is also useful for producing a consistent product; one that will deliver the same benefits with each dose. While there are many methods for extracting botanical compounds, each will affect the herb and the key component in different ways. Certain extraction methods will isolate lipophilic (“fat-loving” or insoluble in water) components, such as triterpenoic acids, whereas other methods yield the hydrophilic (“water-loving” or water soluble) components, eugenol and caryophyllene.

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