Table 1.

Optimum conditions for synthesis of siderophore.

	Carbon	Nitrogen	Temperature	Time	pH	SU
SA pre-optimized	Sucrose 20g/l	Asparagine 2g/l	28°C	36 h	pH=7.6	27.09%
SA optimized	Sucrose 15g/l	Asparagine 2g/l	32℃	48 h	pH=7.0	54.99%