Organoleptic (Sensory) Evaluation of Drugs

• Organoleptic (Sensory) Evaluation of Drugs involves assessing drugs using senses like sight, taste, smell, and touch.
• Organoleptic (Sensory) Evaluation of Drugs ensures quality, identity, and consumer acceptability through sensory characteristics.

Definition

• Involves the use of the sense organs (sight, smell, taste, touch) to inspect the crude drug.

Key Properties Assessed

1. Appearance (color, shape, size): e.g., bright yellowish-orange for turmeric rhizome.
2. Odor: e.g., characteristic pungent-spicy smell of clove.
3. Taste: e.g., bitter taste of quinine bark.
4. Texture: e.g., brittle leaves of senna.

Significance

• Preliminary screening for authenticity and obvious adulteration.
• Quick and cost-effective

Limitations

• Subjective and requires experience.
• Cannot detect subtle adulterants.

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