Phytochemistry 2-Lecture 2

What is the amino acid precursor for this alakloid?

• Histidine

• Ornithine

• Lysine

• Tyrosine

Which of the following is atypical alkaloid?

• A and C

• B and C

• D and E

• F and G

Which of the following represents alkaloid derived from bacteria?

• Muscopyridine

• Epibatidine

• Saxitoxin

• Pyocyanine

Which of the following alkaloids can be precipitated by mayer's reagent?

• Colchicine

• Caffeine

• Dil. ephedrine

• Atropine

Which of the following alkaloid coloring reagents is formed of formaldehyde in conc. sulforic acid?

• Froehd’s Reagent

• Marqui’s Reagent

• Mandelin’s Reagent

• Erdmann’s Reagent

Which of the following is a specific color test for tropane alkaloids?

• Murexide test

• Thaleioquin test

• Vitali’s test

• Van-urk test

Alkaloid exerting mydriatic action

Which of the following alkaloids are affected by hot alkali?

• A

• B

• G

• D

• E

What is the amino acid precursor for the following alakloid?

• Lysine

• Ornithine

• Histidine

• Phenyl alanine

A method that can be used for quantitative determination of very weakly basic alkaloids?