1,258,248. Artificial sweeteners. G. D. SEARLE & CO. 16 July, 1969 [17 July, 1968], No. 33971/68. Heading A2B. [Also in Division C2] Sweetening compositions contain the dipeptide where R is H, OH, or O Alkyl and Alkyl contains 7-7 C-atoms; optionally with other sweetening agents, e.g. saccharin and cyclamates. The dipeptides may be in DL-DL; L-L; DL-L; or L-DL forms.