Variables and levels

Run

T (˚C)

pH

Initial Limonene concentration (% v/v)

Nutrients * (% v/v)

1

− (20.0)

? (6.2)

? (0.1)

? (0)

2

? (20.0)

? (6.2)

+ (0.5)

+ (10)

3

? (20.0)

+ (7.2)

? (0.1)

+ (10)

4

? (20.0)

+ (7.2)

+ (0.5)

? (0)

5

+ (25.0)

? (6.2)

? (0.1)

+ (10)

6

+ (25.0)

? (6.2)

+ (0.5)

? (0)

7

+ (25.0)

+ (7.2)

? (0.1)

? (0)

8

+ (25.0)

+ (7.2)

+ (0.5)

+ (10)

9

0 (22.5)

0 (6.7)

0 (0.3)

0 (5)

10

0 (22.5)

0 (6.7)

0 (0.3)

0 (5)

11

0 (22.5)

0 (6.7)

0 (0.3)

0 (5)