Medicinal Leaves: Mentha, Thyme, Guava
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Questions and Answers

Which family does Mentha belong to?

  • Fabaceae
  • Labiatae (correct)
  • Asteraceae
  • Rosaceae

    • What is the active constituent found in Mentha leaves?

  • Menthol and eugenol (correct)
  • Bitter principles and saponins
  • Phenolic acids and rosmarinic acids
  • Thymol and carvacrol

    • What is the general character of the stem in the Labiatae family?

  • Round with alternate leaves arrangement
  • Hexagonal with spiral leaves arrangement
  • Square with opposite decussate leaves arrangement (correct)
  • Triangle-shaped with whorled leaves arrangement

    • What is the botanical name for Thyme?

    <p>Thymus vulgaris</p> Signup and view all the answers

    What are the medicinal uses of Mentha?

    <p>Oil vapour used as inhaler for respiratory congestion and treatment of cough &amp; bronchitis</p> Signup and view all the answers

    How are volatile oils different from fixed oils?

    <p>Volatile oils don't leave stains on filter paper, while fixed oils do.</p> Signup and view all the answers

    What is the medicinal use of Mentha?

    <p>Treat colic in infants and reduce gases and cramps</p> Signup and view all the answers

    Which phytochemical is NOT revealed in the guava leaf analysis?

    <p>Steviol glycosides</p> Signup and view all the answers

    What are stevia sweeteners made from?

    <p>Leaves of the Stevia rebaudiana plant</p> Signup and view all the answers

    Where are volatile oils accumulated in the plant?

    <p>In oil tubes</p> Signup and view all the answers

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