添加生长因子

OD640

酶活

对照

5.1

140.3

0.5 g/L Mg2

5.5

139.5

0.5 g/L Na

5.9

148.2

0.5 g/L Ca2+

5.9

140.1

0.5 g/L Fe2+

6.3

128.6

1.0 g/L VB6

4.91

141.9

1.0 g/L VC

4.6

129.6

1.0 g/L VB2

5.2

132.8

1.0 g/L PLP

5.36

137

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