5 Questions
What is the main purpose of biological evaluation?
To determine the potency of a raw drug or preparation
What does chemical evaluation mainly cover?
Isolation, purification, and identification of active constituents
Which type of analysis is useful in determining single active constituents or group of related constituents present in the same drug?
Qualitative tests
What does phytopharmacological evaluation aim to understand?
(Phyto) pharmacological properties of drugs
When is biological evaluation generally called for?
(When standardization is not sufficient)
Study Notes
Evaluation of Crude Drugs
- Evaluation of a drug is necessary to ensure the identity of a drug and determine the quality and purity of drugs.
- The main reasons for evaluating crude drugs are: • Biochemical variation in the drug • Effect of treatment and storage of drugs • Adulterations and substitutions
Types of Evaluation
- There are three main types of evaluation: • Organoleptic evaluation • Biological evaluation • Chemical evaluation
Organoleptic Evaluation
- Organoleptic evaluation is the study of drugs using organs of senses.
- It involves analysis of: • Colour • Odour • Taste • Size • Shape • Special features (e.g. touch, texture, etc.)
- The initial sight of the plant or extract is often specific enough to identify itself.
Test your knowledge on the evaluation process of crude drugs, which ensures their identity, quality, and purity. This quiz covers the importance of drug evaluation in the Pharmacy Doctorate (Pharm D) program.
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