Anthraquinone Glycosides and Aglycones Quiz

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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?

Senna Signup and view all the answers

What is the source of chrysarobin?

Fabaceae plant Signup and view all the answers

Which of the following is not a common anthraquinone aglycone?

Cinnamon-emodin Signup and view all the answers

Which of the following is a constituent of Senna glycosides?

Sennoside aglycones Signup and view all the answers

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

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

Which plant does Rhaponticin come from?

Rheum rhaponticum Signup and view all the answers

What differentiates Rhapontic rhubarb from other medicinal rhubarbs?

Blue fluorescence in UV light Signup and view all the answers

Which plant does Cascara glycosides come from?

Rhamnus purshiana Signup and view all the answers

What are the active constituents of Rhubarb glycosides?

Sennosides A & B Signup and view all the answers

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

Against psoriasis Signup and view all the answers

What is the main effect of Senna glycosides?

Laxative with mild effect Signup and view all the answers

What counteracts the laxative effect of rhubarb?

Tannins Signup and view all the answers

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

Anthraquinones Signup and view all the answers

What is the main function of flavonoid glycosides?

Treatment of venous disorders Signup and view all the answers

What distinguishes flavonoid glycosides from flavonoid aglycones?

Water solubility Signup and view all the answers

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

Flavonol glycosides Signup and view all the answers

Where is diosmin, a flavone glycoside, found?

Buchu leaves Signup and view all the answers

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

Treatment of capillary fragility Signup and view all the answers

What gives yellow coloration with dilute KOH or NaOH?

Flavonoid glycosides Signup and view all the answers

What is the main use of hesperidin?

Treatment of capillary fragility Signup and view all the answers

Which family does Silybum marianum belong to?

Asteraceae Signup and view all the answers

What is the main function of genistein?

Estrogenic activity Signup and view all the answers

What is the source of rotenone?

Derris elliptica Signup and view all the answers

What is the main use of silymarin?

Treatment of liver dysfunction Signup and view all the answers

What is the main use of rotenone?

Insecticide and fish poison Signup and view all the answers