Podcast
Play an AI-generated podcast conversation about this lesson
Questions and Answers
What is the physical property of ergotamine in relation to its solubility?
What is the physical property of ergotamine in relation to its solubility?
- Slightly soluble in water, insoluble in alcohol, freely soluble in CHCl3 and ether
- Freely soluble in water, insoluble in alcohol, slightly soluble in CHCl3 and ether
- Insoluble in water, slightly soluble in alcohol, freely soluble in CHCl3 and ether (correct)
- Freely soluble in water, slightly soluble in alcohol, insoluble in CHCl3 and ether
What specific reaction results in a blue color for ergot alkaloids?
What specific reaction results in a blue color for ergot alkaloids?
- Conc H2SO4
- Van Urk test
- Conc H2SO4 + glacial acetic acid containing a trace of FeCl3 (correct)
- Aqueous solution of alkaloidal salts
What is the source of physostigmine?
What is the source of physostigmine?
- Ergotamine biosynthesis from tryptophan+SAM (pyrrolidine indole =indoline)
- Fermentation using Streptomyces griseofuscus
- Calabar bean alkaloids Me HO NMe NMe Pyrrolydine indole
- Seeds of Physostigma venenosum (Fabaceae) containing 0.15% alkaloids (correct)
What pharmacological action does physostigmine exhibit?
What pharmacological action does physostigmine exhibit?
Signup and view all the answers
For what medical condition is physostigmine used?
For what medical condition is physostigmine used?
Signup and view all the answers
