Distillation method: It’s used for insoluble or hardly soluble in water, essential oil that does not react chemically with water when boiled together;

Extraction method:

(1) General solvent extraction

(2) Resin extraction

(3) Carbon dioxide supercritical extraction

(4) Subcritical water extraction continuous extraction method

Squeezing method:

We focus on the use of distillation equipment for the preparation of essential oils.

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