Anthraquinone Glycosides and Aglycones Quiz
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Questions and Answers

What is the importance of the sugar residue in anthraquinone glycosides?

  • It determines the plant families containing anthraquinones
  • It provides color to the glycosides
  • It affects the oxidation level
  • It enhances the purgative action (correct)

    • Which family does Andira araroba belong to?

  • Fabaceae (correct)
  • Polygoniaceae
  • Rubiaceae
  • Liliaceae

    • What is the basic structure of the anthraquinone aglycone?

  • 9,10-anthracene (correct)
  • Aloe-emodin
  • Anthraquinone glycoside
  • Chrysophanol

    • Which of the following drugs contains anthraquinones?

    <p>Senna</p> Signup and view all the answers

    What is the source of chrysarobin?

    <p>Fabaceae plant</p> Signup and view all the answers

    Which of the following is not a common anthraquinone aglycone?

    <p>Cinnamon-emodin</p> Signup and view all the answers

    Which of the following is a constituent of Senna glycosides?

    <p>Sennoside aglycones</p> Signup and view all the answers

    Why must Frangula glycosides be stored for one year before use?

    <p>To allow for the oxidation and hydrolysis of anthrone glycosides to milder laxatives</p> Signup and view all the answers

    Which plant does Rhaponticin come from?

    <p>Rheum rhaponticum</p> Signup and view all the answers

    What differentiates Rhapontic rhubarb from other medicinal rhubarbs?

    <p>Blue fluorescence in UV light</p> Signup and view all the answers

    Which plant does Cascara glycosides come from?

    <p>Rhamnus purshiana</p> Signup and view all the answers

    What are the active constituents of Rhubarb glycosides?

    <p>Sennosides A &amp; B</p> Signup and view all the answers

    What is the main use of Chrysophanol anthrone & physcion anthrone?

    <p>Against psoriasis</p> Signup and view all the answers

    What is the main effect of Senna glycosides?

    <p>Laxative with mild effect</p> Signup and view all the answers

    What counteracts the laxative effect of rhubarb?

    <p>Tannins</p> Signup and view all the answers

    What does Frangula glycosides need to oxidize to before using as medicine?

    <p>Anthraquinones</p> Signup and view all the answers

    What is the main function of flavonoid glycosides?

    <p>Treatment of venous disorders</p> Signup and view all the answers

    What distinguishes flavonoid glycosides from flavonoid aglycones?

    <p>Water solubility</p> Signup and view all the answers

    Which type of glycosidation involves O-glycosides and C-glycosides?

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

    Where is diosmin, a flavone glycoside, found?

    <p>Buchu leaves</p> Signup and view all the answers

    What is the main use of rutin, a flavonol glycoside?

    <p>Treatment of capillary fragility</p> Signup and view all the answers

    What gives yellow coloration with dilute KOH or NaOH?

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

    What is the main use of hesperidin?

    <p>Treatment of capillary fragility</p> Signup and view all the answers

    Which family does Silybum marianum belong to?

    <p>Asteraceae</p> Signup and view all the answers

    What is the main function of genistein?

    <p>Estrogenic activity</p> Signup and view all the answers

    What is the source of rotenone?

    <p>Derris elliptica</p> Signup and view all the answers

    What is the main use of silymarin?

    <p>Treatment of liver dysfunction</p> Signup and view all the answers

    What is the main use of rotenone?

    <p>Insecticide and fish poison</p> Signup and view all the answers

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