A chemical found in chocolate that is similar to amphetamine. A person who is in love is said to possess an increased amount.
A biologically active substance, which can be involved in the pharmacological reactions of food intolerance. It occurs in chocolate, old cheese, and red wine and can provoke migraine attacks. It is the amine form of phenylalanine, which forms when phenylalanine hydroxylase does not metabolize all of the phenylalanine present.
An alkaloid synthesized from the amino acid phenylalanine. It is found in the brain, where it contributes to the release of dopamine and endorphins. It is concentrated in chocolate and thought to be an antidepressant.