Herbal drug preparation

Herbal Drug Preparation involves extraction, purification, and formulation of plant materials for therapeutic use in medicine.

Definition

• It involves processing raw herbs into medicinal forms like powders, extracts, tinctures, and capsules while maintaining their therapeutic properties.

Common Methods of Herbal Drug Preparation

1. Infusions:

   • Steeping leaves or flowers in hot water (e.g., Green tea, Chamomile tea).

2. Decoctions:

   • Boiling harder plant parts like roots and bark (e.g., Ginger decoction).

3. Tinctures:

   • Soaking herbs in alcohol to extract compounds (e.g., Echinacea tincture).

4. Extracts:

   • Concentrating herbal components using solvents like water, ethanol, or glycerin.

5. Ointments & Creams:

   • Herbal oils mixed with wax or base for skin application (e.g., Calendula cream).

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