Evaluation of Crude Drugs
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Questions and Answers

What is the main purpose of biological evaluation?

  • Determining the potency of a raw drug or preparation (correct)
  • Isolation and purification of active constituents
  • Measurement of standardization
  • Identification of chemical assays

Which method is used for biological analysis?

  • (Toxic) methods
  • (Histological) methods (correct)
  • (Chemical) methods
  • (Symptoms) methods

What does chemical evaluation mainly cover?

  • Measurement of standardization
  • Detection of adulteration
  • Biological effect on living organisms
  • Purification and identification of active constituents (correct)

What is the purpose of quantitative tests in chemical evaluation?

<p>Determining single active constituent or group of related constituents (C)</p> Signup and view all the answers

Why is phytopharmacological evaluation essential?

<p>To understand the pharmacological properties of plants (A)</p> Signup and view all the answers

Flashcards

Biological evaluation's purpose

To determine the strength of a raw drug or its prepared form.

How biological analysis is done

Methods like histology are used to study the structure and function of tissues.

Chemical evaluation's focus

Focusing on isolating and identifying the active ingredients within a plant.

Quantitative tests in chemical evaluation

Measuring the amount of a single active ingredient or a group of similar ingredients in a plant.

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Phytopharmacological evaluation's goal

Understanding how a plant affects the body and its potential therapeutic effects.

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Study Notes

Evaluation of Crude Drugs

  • Evaluation of a drug ensures the identity of a drug and determines its quality and purity.
  • 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

    • Refers to the study of drugs using organs of senses
    • Methods of analysis include:
      • Colour
      • Odour
      • Taste
      • Size
      • Shape
      • Special features (e.g. touch, texture)
    • Initial sight of the plant or extract can be so specific that it tends to identify itself

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Description

Test your knowledge on the evaluation process of crude drugs, which ensures their identity, quality, and purity. This quiz covers the importance and methods of drug evaluation.

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