Group

Yeast extract

KCl

Sodium acetate

Ethanol

g/L

mL/L

1

1.5

1.2

15

10

2

1.5

1.8

20

15

3

1.5

2.4

25

20

4

2.5

1.2

20

20

5

2.5

1.8

25

10

6

2.5

2.4

15

15

7

3.5

1.2

25

15

8

3.5

1.8

15

20

9

3.5

2.4

20

10