The synthesis of biodiesel catalyzed by Mucor miehei lipase immobilized onto aminated polyethersulfone membranes

Bioresources and Bioprocessing

Table 6 The result of analysis by LC–MS

Catalysts	Retention time (minutes)	Peak area	Suspected compound	Relative abundance (%)
Free M. miehei lipase	1.73	292.89	Methyl palmitate	100
Free M. miehei lipase	8.83	467.24	Methyl stearate	45
PES\(\mathrm{NH}_2\)-10 D8 P5	1.83	485.78	Methyl palmitate	20
PES\(\mathrm{NH}_2\)-10 D8 P5	8.71	331.30	Methyl stearate	79
PES\(\mathrm{NH}_2\)-10 D8 P5 (Glut)	1.71	481.94	Methyl palmitate	100
PES\(\mathrm{NH}_2\)-10 D8 P5 (Glut)	8.66	695.00	Methyl stearate	58