Amygdalin and Cyanogenic Plants Quiz
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Questions and Answers

Which compound contributes to the yellow color of flowers or fruits?

  • Salicin
  • Silibinin
  • Hesperidin (correct)
  • Rutin

Which compound is NOT listed as a constituent of Gingko biloba?

  • Gingkolides
  • Vanillin
  • Salicin (correct)
  • Bilobides

Which compound is a potent antioxidant with anti-inflammatory and antiviral properties?

  • Hesperitin
  • Rutin (correct)
  • Salicin
  • Vanillin

What is the primary use of Ethylvanillin?

<p>Substitute for natural vanillin (B)</p> Signup and view all the answers

Which compound is associated with the treatment of capillary bleeding secondary to fragility?

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

Which compound is a bioflavonoid derived from citrus fruits and soya?

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

What is the lethal dose range of amygdalin in terms of milligrams per kilogram of body weight?

<p>0.5-3.5mg/kg BW (D)</p> Signup and view all the answers

Which substance is a source of Laetrile or Vitamin B17 and is a controversial treatment for sickle cell anemia?

<p>Bitter Almond (Prunus amygdalus) (A)</p> Signup and view all the answers

Which plant source contains sinigrin, and the enzyme myrosinase can convert it into allyl isothiocyanate (mustard oil)?

<p>Black Mustard (Sinapis nigra) (C)</p> Signup and view all the answers

What test results in a brick-red coloration when amygdalin is present?

<ul> <li>Guignard’s Test (D)</li> </ul> Signup and view all the answers

What is the main compound responsible for the characteristic odor of mustard oil?

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

Which plant's glycoside contains Gluconasturtiin as its aglycone?

<p>Watercress (Nasturtium officinale) (A)</p> Signup and view all the answers

What is the basis of the extensive use of tannins in the leather industry?

<p>Formation of insoluble compounds with proteins (A)</p> Signup and view all the answers

What is a key characteristic of tannins that makes them useful in the tanning industry?

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

Which class of tannins is readily hydrolyzed to yield phenolic acids and sugar?

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

What are true tannins also known as?

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

What is the main difference between true tannins and pseudotannins?

<p>Ability to convert animal hide to leather (A)</p> Signup and view all the answers

What are phlobaphene compounds formed from condensed tannins known for?

<p>Insolubility in water (C)</p> Signup and view all the answers

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