An unidentified carbohydrate was isolated from sweet pea (Lathyrus odoratus L. cv. Diana) petals using HPLC. The isolated compound was identified as L-1-O-methyl-myo-inositol, called L-bornesitol, using (1)H-NMR, (13)C-NMR, and CI-MS. L-Bornesitol was distributed in all organs at high