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 (D)</p> Signup and view all the answers

What is the source of chrysarobin?

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

Which of the following is not a common anthraquinone aglycone?

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

Which of the following is a constituent of Senna glycosides?

<p>Sennoside aglycones (A)</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 (B)</p> Signup and view all the answers

Which plant does Rhaponticin come from?

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

What differentiates Rhapontic rhubarb from other medicinal rhubarbs?

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

Which plant does Cascara glycosides come from?

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

What are the active constituents of Rhubarb glycosides?

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

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

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

What is the main effect of Senna glycosides?

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

What counteracts the laxative effect of rhubarb?

<p>Tannins (C)</p> Signup and view all the answers

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

<p>Anthraquinones (C)</p> Signup and view all the answers

What is the main function of flavonoid glycosides?

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

What distinguishes flavonoid glycosides from flavonoid aglycones?

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

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

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

Where is diosmin, a flavone glycoside, found?

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

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

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

What gives yellow coloration with dilute KOH or NaOH?

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

What is the main use of hesperidin?

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

Which family does Silybum marianum belong to?

<p>Asteraceae (A)</p> Signup and view all the answers

What is the main function of genistein?

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

What is the source of rotenone?

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

What is the main use of silymarin?

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

What is the main use of rotenone?

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

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