Alkaloid present in Black pepper is:
A. Caryophyllene
B. Cinnamaldehyde
C. I-phellandrene
D. Piperine
Answer: Option D
This Question Belongs to Pharmacy >> Pharmacognosy
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Tannins show some chemical reaction except:
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B. Tannins are precipitated by salt of copper, tin and lead
C. They show colour reaction with iron
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