Medicinal herbs are used as fresh plants, more often however as "drugs" or extracts.
So called "drugs" are dried parts of the plants like roots, leaves, flowers, seeds etc.

Fluid extracts usually are made by distilling off some of the alcohol or water/alcohol mixture, typically by using methods that do not require elevated temperatures

Dried herb - Crushing - Extraction

Dry Extracts are produced by further concentration of the extract by the mechanisms described above (for fluid extracts) as well as by other techniques such as thin layer evaporation. The solvent is completely removed from the solution, leaving a viscous extract (soft solid extract) or a dry solid extract (depending upon the plant, portion of the plant, or solvent used, or if a drying process was used). The dry solid extract, if not already in powdered form, can be ground into coarse granules or a fine powder. A solid extract also can be diluted with alcohol and water to form a fluid extract or a tincture.

Dried herb - Crushing - Extraction - Evaporation

Dry Extracts may be used for the manufacturing of herbal preparations like capsules/tablets

Extracts are available either:

- standardised with a content of active principle (Example: Gingko Bilobae with 24 % Flavonglycosides) or
- drug:extract ratio (Example 5:1 = 5 kg medincal herb to 1 kg final extract)

A detailed Certificate of Analysed is supplied to every delivery.
Microbiological Analysis and Pesticide Residue according to Ph. Eur. (Pharmacopoeia Europea)

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