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Evaluation of Crude Drugs

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Questions and Answers

What is the main purpose of biological evaluation?

Identifying chemical or physical means of standardization

Measuring the sample's weight

Determining the potency of a raw drug or preparation (correct)

Isolating and purifying active constituents

Which method is used for biological analysis?

(Toxic)

(Symptoms)

(Histological methods) (correct)

(Chemical tests)

What does chemical evaluation mainly cover?

Isolation, purification, and identification of active constituents (correct)

Detection of adulteration

Quantitative tests

Biological effect measurement

What is the purpose of qualitative tests in chemical evaluation?

<p>Useful in determining single active constituent or group of related constituents present in the same drug</p> Signup and view all the answers

Why is phytopharmacological evaluation essential?

<p>To understand the pharmacological properties of plant-derived drugs</p> Signup and view all the answers

Study Notes

Evaluation of Crude Drugs

Evaluation of a drug ensures the identity of a drug and determines the quality and purity of drugs.
The main reasons behind the need for evaluation of crude drugs are:
- Biochemical variation in the drug
- Effect of treatment and storage of drugs
- Adulterations and substitutions

Types of Evaluation

There are three types of evaluation:
- Organoleptic evaluation
- Biological evaluation
- Chemical evaluation

Organoleptic Evaluation

Organoleptic evaluation means the study of drugs using organs of senses.
It refers to the methods of analysis using:
- Colour
- Odour
- Taste
- Size
- Shape
- Special features, such as:
  - Touch
  - Texture

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Description

Test your knowledge on evaluating crude drugs for their identity, quality, and purity. This quiz covers the importance of evaluating drugs and the methods involved.