PCG241 - Introduction to Pharmacognosy
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Questions and Answers

What is the primary focus of Pharmacognosy?

  • The history of medicinal practices in Europe
  • The study of crude drugs from natural sources (correct)
  • The influence of non-European traditions on medicine
  • The development of new synthetic drugs
  • Who coined the term 'Pharmacognosy' and when?

  • A European Scholar in the 19th century
  • Emperor Shen Nung in 3000 B.C.
  • Seydler in 1815 (correct)
  • An Indian physician in ancient times
  • Which of the following is NOT a traditional medicine mentioned?

  • Traditional Chinese Medicine (TCM)
  • Homeopathy (correct)
  • Unani
  • Ayurveda
  • What historical development occurred in London in 1617?

    <p>Formation of the Society of Apothecaries</p> Signup and view all the answers

    What does the term 'Materia Medica' refer to?

    <p>The subject now known as Pharmacognosy</p> Signup and view all the answers

    Which ancient text is recognized as the oldest known herbal?

    <p>Pen-t'sao</p> Signup and view all the answers

    Pharmacognosy encompasses the study of which of the following aspects?

    <p>The history and distribution of drugs</p> Signup and view all the answers

    What influenced the use of medicinal plants in Europe historically?

    <p>Early European scholars and laypeople</p> Signup and view all the answers

    What are the three important necessities of life provided by the plant kingdom?

    <p>Food, clothing, shelter</p> Signup and view all the answers

    Which of the following plant groups yields medicinal products of importance?

    <p>Thallophyta, Bryophyta, Pteridophyta, Spermatophyta</p> Signup and view all the answers

    Which historical document is one of the oldest known sources on medicinal plant use?

    <p>Papyrus Ebers</p> Signup and view all the answers

    What is a primary method through which traditional medicinal knowledge has been transmitted?

    <p>Oral transmission</p> Signup and view all the answers

    Why is there a pressing need to record local medicinal knowledge?

    <p>To preserve it before it is lost due to westernization</p> Signup and view all the answers

    What significant change in the use of medicinal substances occurred from the nineteenth to the twentieth century?

    <p>Identification of crude extracts</p> Signup and view all the answers

    In which of the following regions is traditional knowledge of medicinal plants often transmitted orally?

    <p>Tropical Africa</p> Signup and view all the answers

    What role did human inquisitiveness play in the development of healthcare?

    <p>It facilitated the exploration and use of local plants for remedies.</p> Signup and view all the answers

    Study Notes

    Overview of Pharmacognosy

    • Pharmacognosy is derived from Greek terms meaning "knowledge of drugs."
    • Defined as a bioscience branch focused on crude products from natural sources.
    • Intersects with botany and plant chemistry.

    Historical Context

    • Herbal medicine dates back to prehistoric civilizations in regions including China, India, Egypt, and Greece.
    • The oldest known herbal, "Pen-t'sao," was written by Emperor Shen Nung around 3,000 B.C.
    • Papyrus Ebers, dating to the sixteenth century, is a famous ancient medical document.

    Role of Plants

    • Plants provide essential needs: food, clothing, shelter, and medicinal products.
    • Approximately 3,350,000 plant species contribute medicinally, spanning various plant types: Thallophyta, Bryophyta, Pteridophyta, and Spermatophyta.

    Knowledge Transmission

    • Initial medical knowledge was passed orally, later documented in various formats such as:
      • Egyptian papyrus
      • Baked clay tablets
      • Manuscripts and herbals
      • Printed pharmacopoeias
    • Oral traditions continue in cultures, particularly among tribal societies worldwide.

    Development of Pharmacognosy

    • The term "Materia Medica" was common in the 19th century, shifting to "Pharmacognosy."
    • Seydler coined "Pharmacognosy" in 1815 during his research on Sarsaparilla.

    European Influences

    • European tradition significantly shapes modern pharmacognosy.
    • The Society of Apothecaries was established in London in 1617, founding the Chelsea Physic Garden in 1673.

    Traditional Healing Systems

    • Pharmacognosy encompasses diverse healing systems, such as:
      • Traditional Chinese Medicine (TCM)
      • Ayurveda from India
      • Jamu (Indonesian)
      • Unani (Islamic)

    Scope of Pharmacognosy

    • Studies include:
      • History, distribution, and cultivation of medicinal plants.
      • Methods for collection, processing, and storage.
      • Analysis of sensory, physical, chemical, and structural properties.
    • Vital for ensuring effective and safe healthcare remedies derived from nature.

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    Description

    This quiz covers the history, definitions, and scope of pharmacognosy, emphasizing its significance in understanding the relationship between plants and their medicinal properties. Explore how plants are crucial for human survival and their role in providing essential products and remedies. Test your knowledge and grasp the essentials of this fascinating field.

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