反应详情

3 hydroxybutyrate-3-hydroxypropionate-4-hydroxybutyrate-lactate tetrapolymer was prepared according to the method of example 2 except that the collected cells was anaerobically cultured for 3 days in MR medium further containing 2 g/L of 3-hydroxybutyrate (3-HB), 2 g/L of 3 hydroxypropionate (3-HP), 1 g/L of 4-hydroxybutyrate (4-HB) and 100 mg/L of ampicillin instead of MR medium further containing 2 g/L of 4-HB, 100 mg/L of ampicillin and 30 mg/L of chloramphenicol.