Betaine

[bi:tәi:n]

解释:

(noun.) a sweet tasting alkaloid that occurs in sugar beets.

手打:奥利--From WordNet

解释:

(n.) A nitrogenous base, C5H11NO2, produced artificially, and also occurring naturally in beet-root molasses and its residues, from which it is extracted as a white crystalline substance; -- called also lycine and oxyneurine. It has a sweetish taste.

手打:温迪