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preparation of crude drug for commercial market

this ppt is for pharmacognosy<br>

Tahmid
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preparation of crude drug for commercial market

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  1. Preparation of Crude Drugs for Commercial Market

  2. 1. COLLECTION Crude drugs may be collected from: • Cultivated plants • Wild plants Collection of drugs from natural source is always reliable which may or may not be the case when collected from wild source. The most advantageous time of collection is during the that period when the plant part containing constituting the drug is highest in its

  3. content of active principles and when the material will dry to give the maximum quality and apperance.

  4. Rules of collecting Crude Drug

  5. 2. HARVESTING The mode of harvesting varies with the drug being produced and with the pharmaceutic requirements of the drug. Tools for harvesting : • Hand labour • Mechanical devices: Pickers, Mowers, Binders

  6. 3.DRYING It is a process by which excessive moisture is removed from any product which ensures its good keeping quality. Advantages • Bulk of drug is lost due to loss of moisture • Handling & transportation becomes easy • Cost of transportation becomes less • Packaging is easier • Drying fixes the constituents and facilitates grinding and milling

  7. TYPES OF DRYING • Natural Drying • Shade drying : employed when it is desired to retain natural color of the drug. • Sun drying : is adaptable to such drugs that are favorably not affected by sunlight. • Artificial drying Most acceptable method when temperature control and ventilation can be monitored.

  8. Rules in Drying crude drugs

  9. 3.GARBLING In some cases particles of irons are removed by using magnets before it is grinded. Dirt and sand can be removed by shifting / air current. In leaf drugs an excess of stem should be removed.

  10. 4.PACKAGING Packaging of drug depends upon final disposition if the drug. Type of project:

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