10 Questions
Which alkaloid does not have nitrogen in a heterocyclic ring?
Ephedrine
Which of the following is an example of a pseudo alkaloid?
Caffeine
Which alkaloid is an example of a false alkaloid?
Nicotine
From which of the following sources can alkaloids be derived?
All of the above
Which of the following is a false alkaloid?
Quinine
Which alkaloid is a protoalkaloid derived from amino acids and does not have nitrogen in a heterocyclic ring?
Ephedrine
Which alkaloid is a typical alkaloid derived from amino acids and has nitrogen in a heterocyclic ring?
Atropine
From which of the following sources can alkaloids be derived, according to the text?
All of the above
Which alkaloid is an example of a quaternary alkaloid?
Colchicine
Which alkaloid is a typical alkaloid derived from amino acids and has nitrogen in a heterocyclic ring?
Atropine
Study Notes
Alkaloids
- Capsaicin is an alkaloid that does not have nitrogen in a heterocyclic ring.
- Pseudo alkaloids are a type of alkaloid that do not arise from amino acids, and glycyrrhizin is an example of a pseudo alkaloid.
- A false alkaloid is an alkaloid that does not arise from amino acids, and capsaicin is an example of a false alkaloid.
- Alkaloids can be derived from various sources including plants, animals, and microorganisms.
Classification of Alkaloids
- Protoalkaloids are a type of alkaloid derived from amino acids, and colchicine is an example of a protoalkaloid.
- Typical alkaloids are derived from amino acids and have nitrogen in a heterocyclic ring, and atropine is an example of a typical alkaloid.
- Quaternary alkaloids are a type of alkaloid, and choline is an example of a quaternary alkaloid.
Test your knowledge of alkaloids with this quiz! Learn about the basic heterocyclic nitrogenous compounds of plant origin, their physiological activity, and deviations from the typical definition. Explore alkaloids that are not basic and those with nitrogen outside of a heterocyclic ring.
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