Origin: Germanic Old English prefix
Betaine has 2 different meanings across 1 category:
a sweet tasting alkaloid that occurs in sugar beets
A sweet, crystalline compound (not an alkaloid), trimethylammoniumacetate, found in sugar beet and similar plants, sometimes used to treat muscular degeneracy; the zwitterion (CH₃)₃N⁺CH₂COO⁻