Table 1 Total phenols content in gardenia calli cultures cultured on MS media contained different concentrations of phenyl alanine or salicylic acid during the three harvested periods of culturing

Control

1.72 ± 0.11

6.20 ± 1.23

5.39 ± 1.21

2 mg/l phenylalanine

4.36 ± 0.32

5.76 ± 0.04

7.32 ± 2.96

3 mg/l phenylalanine

2.03 ± 0.06

5.98 ± 0.46

9.41 ± 0.36

4 mg/l phenylalanine

2.53 ± 0.14

5.14 ± 0.23

9.52 ± 0.51

5 mg/l phenylalanine

2.62 ± 0.04

5.69 ± 0

9.53 ± 0.55

0.25 mM salicylic acid (34.5 mg/l)

2.01 ± 0.23

1.96 ± 0.92

4.19 ± 2.33

0.5 mM salicylic acid (69 mg/l)

1.19 ± 0.23

1.56 ± 0.122

2.16 ± 0.93

0.75 mM salicylic acid (103.5 mg/l)

2.03 ± 1.15

1.47 ± 0.53

1.52 ± 1.06

1 mM salicylic acid (138 mg/l)

1.36 ± 0.05

1.18 ± 0.47

1.15 ± 0.19