Fig. 3

Effect of Tween surfactants on asymmetric reduction of 2-octanone with baker’s yeast cells. Reaction condition: 10 mmol L⁻¹ 2-octanone; 150 g L⁻¹ wet cell; 10 g L⁻¹ glucose/24 h; 20 mL Tris–HCl buffer (50 mmol L⁻¹, pH 8.0); 32 °C; 200 r min⁻¹; anaerobic; 96 h