What are alkaloids and its classification?
Which alkaloids contain indole ring?
What is true pseudo and Proto alkaloids?
What are heterocyclic alkaloids?
What is indole ring?
What are indole alkaloids used for?
What is the general structure feature of an alkaloid?
What are the properties of alkaloids?
Which heterocyclic ring is most aromatic?
What is indole alkaloids in pharmacognosy?
What is indole alkaloid in plants?
Is reserpine an indole alkaloid?
Which amino acid contains indole?
Which is the example of steroidal alkaloids?
What are alkaloids examples?
What is the structure of indole?
Are amino acids alkaloids?
What steroid means?
What are alkaloids drugs?
How do you name alkaloids?
What are the chemical properties of alkaloids?
Alkaloids are colourless, crystalline, non-volatile, solids; a few such as coniine and nicotine are liquids and a few even coloured, viz. berberine is yellow. The free bases (i.e. alkaloids themselves) are insoluble in water but soluble in most of the organic solvents.