Roots of which of the following species contain valuable alkaloids that are useful in medicine?
A
Azadirachta indica
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B
Rauwolfia serpentina
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C
Helianthus annus
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D
Emblica officinalis
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Solution
The correct option is BRauwolfia serpentina
Rauwolfia serpentina belongs to family Apocynaceae. Reserpine is the alkaloid obtained from the roots of Rauwolfia serpentina. It is extracted from dried roots. It is used as an antihypertensive which is used to treat high blood pressure and decrease the load of the heart. The aqueous extract of R. vomitoria is mainly used to cure mental disorders.