The structures of two new aloesin derivatives isolated from Aloe peglerae, viz., 2-acetonyl-8-(2-O-cinnamoyl-β-D-glucopyranosyl)-7-β-D-glucopyranosyloxy-5-methylchromone (aloeresin E) and 2-acetonyl-8-(2-O-cinnamoyl-β-D-glucopyranosyl)-7-hydroxy-5-methylchromone (aloeresin F) were determined by spectroscopic methods.