GENERAL KNOWLEDGE

GK

BIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Quinine is extracted from the bark of :
A
Eucalyptus
B
Cadar
C
Neem
D
Cinchona
Explanation: 

Detailed explanation-1: -Quinine is an alkaloid derived from the bark of the South American cinchona tree. It has been used as an antimalarial for over 350 years. It is effective against the asexual blood stages of all four Plasmodium spp. that cause malaria in humans, and is used for chloroquine-resistant P.

Detailed explanation-2: -Cinchona bark is approximately 5% quinine.

Detailed explanation-3: -Quinidine is present in the cinchona bark, along with quinine and other alkaloids.

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