What's the difference between neurine and ptomaine?
Neurine
Definition:
(n.) A poisonous organic base (a ptomaine) formed in the decomposition of protagon with boiling baryta water, and in the putrefraction of proteid matter. It was for a long time considered identical with choline, a crystalline body originally obtained from bile. Chemically, however, choline is oxyethyl-trimethyl-ammonium hydroxide, while neurine is vinyl-trimethyl-ammonium hydroxide.
Example Sentences:
Ptomaine
Definition:
(n.) One of a class of animal bases or alkaloids formed in the putrefaction of various kinds of albuminous matter, and closely related to the vegetable alkaloids; a cadaveric poison. The ptomaines, as a class, have their origin in dead matter, by which they are to be distinguished from the leucomaines.
Example Sentences:
(1) During the 19th century, the early biochemical and bacteriologic studies lent credence to the idea of ptomaine poisoning--that degradation of protein in the colon by anerobic bacteria generated toxic amines.
(2) The image had its roots in a physical purging that Sylvia experienced as a result of ptomaine poisoning that she had contracted on 16 June, during a lunch at an advertising agency.
(3) Attempts are reaching from the STAS' isolation procedure through the ptomaines to our chromatographical epoche, to phenomenologically compensate the matrix effects--increasing in the course of putrefaction--by the determination and generalisation of according analytical signals.