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CORK INSTITUTE OF TECHNOLOGY
INSTITIÚID TEICNEOLAÍOCHTA CHORCAÍ
Semester 1 Examinations 2009/10
Module Title: Pharmacognosy
Module Code: CHEO8002
School: School of Science
Programme Title: Bachelor of Science (Honours) in Herbal Science
Programme Code: SHERB_8_Y4
External Examiner(s): Prof. E.Williamson, Dr. D. Clare
Internal Examiner(s): Mr G. Levieille
Instructions: Answer any 4 of the 5 questions asked. Each question carries a equal
mark weighing of 25%. Please state clearly the questions addressed in
your paper.
Duration: 2 hours
Sitting: Winter 2009
Requirements for this examination:
Note to Candidates: Please check the Programme Title and the Module Title to ensure that you have received the
correct examination paper.
If in doubt please contact an Invigilator.
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Q1. Discuss the methods of preservation of plant material for medicinal applications. Indicate
the applications, advantages and limitations of these methods.
Q2. Adulteration of crude drugs is an important problem; describe the different types of
adulteration. How would you ensure accuracy of your supply of herbal material to avoid
this?
Q3. What are the factors of primary and secondary deterioration of herbal products and raw
materials? Discuss practical approaches to prevent and remedy these problems.
Q4. What are the basic chemical characteristics of coumarins? Describe some of the biological
actions and uses of coumarins, particularly their anticoagulant action.
Q5. Discuss the regulation of metabolic pathways leading to the accumulation of therapeutic
secondary metabolites and its relation to the quality of a herbal drug.
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