30 Questions
Which method is used to measure the amount of moisture in a sample?
Heat method
What is the purpose of determining the total ash content in medicinal plants?
To determine the amount of inorganic matter
What does the acid insoluble ash content indicate?
The presence of fine soil and sand particles
What is the purpose of determining the water soluble ash content in medicinal plants?
To determine the amount of inorganic matter
How is the extraction yield of a substance measured?
By using alcohol or water
What is the purpose of phytochemical analysis of raw materials?
To measure the amount of one or more components in the plant
What does the increase in moisture usually lead to?
An increase in the probability of reactions
What is the recommended particle size for the sample in moisture and volatile content analysis?
3 mm
How long is the sample heated at 105 °C in the oven during moisture and volatile content analysis?
5 hours
How is the percentage of water and volatile content calculated in moisture and volatile content analysis?
By measuring the weight loss of the plant due to heat
Which of the following factors can affect the quality of medicinal plants?
All of the above
What is the purpose of macroscopic and microscopic evaluation in quality control of medicinal plants?
To evaluate the physical characteristics of the plants
What does the term 'foreign matter' refer to in the context of quality control of medicinal plants?
All of the above
How is the percentage of foreign matter in a medicinal plant sample calculated?
By weighing 100-500 grams of the plant and spreading it as a thin layer
What is the maximum allowed amount of foreign matter in a medicinal plant sample if there is no monograph for the plant?
2%
Why is it important to control the moisture and volatile content in medicinal plants?
To prevent microbial growth
What does the term 'total ash' refer to in the context of quality control of medicinal plants?
The ash content obtained by burning the plant material completely
Which of the following contaminants is checked during the quality control of medicinal plants?
All of the above
What is the purpose of phytochemical evaluation in the quality control of raw materials?
To assess the chemical composition
What is the purpose of microbial control in the quality control of raw materials?
To check for microbial contamination
Which of the following factors can affect the quality of medicinal plants?
Geographical area
What is the purpose of macroscopic and microscopic evaluation in quality control of medicinal plants?
To identify foreign matter in the plants
What is the maximum allowed amount of foreign matter in medicinal plants?
2%
Why is it important to control the moisture and volatile content of medicinal plants?
To reduce the risk of microbial growth
What is the purpose of ash analysis in quality control of medicinal plants?
To assess the purity of the plants
What does extractable content refer to in the context of medicinal plants?
The concentration of phytochemicals
What type of contamination should be checked for in medicinal plants?
Contamination with aflatoxins and heavy metals
How is the amount of foreign matter determined in medicinal plants?
By calculating the percentage of foreign matter in a sample
What is the purpose of microbial control in the quality control of raw materials?
To ensure the safety of the plants
What is the main reason for controlling the quality of medicinal plants and herbal medicines?
To meet regulatory requirements
Test your knowledge on the importance of quality control in drug accreditation, approval, and registration. Explore the significance of controlling the quality of natural products and its impact on human health.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
