... Hz, 11 .5 Hz, C-3), 4. 21 (1H, d, J ¼ 11 .5 Hz, C-24), 5 .17 (1H, t,J ¼ 3.5 Hz, C -12 ). 13 C-NMR (12 5 MHz, CDCl3): d 16 .0, 16 .7, 18 .4, 22.3,23.7, 23.8, 25.9, 26 .1, 26.9, 27.7. 28.4, 31. 1, 32.5, 32.8, ... Y(20 01) Cloning and characterization of a cDNA encod-ing b-amyrin synthase involved in glycyrrhizin andsoyasaponin biosynthesis in licorice. Biol Pharm Bull 24, 912 – 916 . 16 Hayashi H, Huang P, Inoue ... intermediates in soyasapogenol B biosynthesis (Fig. 1) , they wereadministered to the transformant (INVSC2 ⁄ pESC-CYP93E1) after induction of the GAL1 promoter.Cells were harvested, disrupted by boiling...