Uncured olives contain a bitter alkaloid called oleuropein which has antioxidant properties. Curing neutralises most of the alkaloid and reduces bitterness. There are different curing methods including brine, dry salt, lye (sodium hydroxide aka caustic soda) and water which produce different characteristic results and are differently suited to different olive varieties.
yes anilline alkaloid is an acid
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No it isn't
yes
Coffee is a plant product, not a chemical alkaloid. It contains caffeine, which is an alkaloid. Coffee is slightly acidic, but not as acidic as soda, beer, etc.
Alkaloid Solasodine is a poisonous chemical compound that occurs in some plants. It is used in the production of contraceptive pills.
Morphine
Cocaine.
vinca
It is an Alkaloid.
The alkaloid is called "Capsaicin". The "heat" of the pepper is in direct relation to the concentration of Capsaicin in the pepper.
Quinine