The most moderate breeding condition for fermentation is: Temperature 25C,the original pH for medium is 5. 0, The volume of fermentation solution is 200ml in 500ml Erlenmeyer flash , the rocking bed velocity is 150r/min, fermentation time is 12 days.

• 最佳发酵条件为：培养温度：25℃，起始pH：5.；0，500ml三角瓶装液量为200ml，摇床转速：150r/min，发酵培养12天。