Table 3 Comparison of phenolic acids under the five different light qualities on Ceratonia siliqua L

Gallic acid

6.18

6.30

4.41

5.56

4.46

Protocatechuic acid

2.76

2.50

2.78

2.63

1.97

p-Hydroxybenzoic acid

0.00

1.79

3.39

3.16

2.20

Gentisic acid

0.20

0.15

0.69

1.08

0.58

Catechin

323.03

509.00

412.68

265.44

267.12

Chlorogenic acid

0.00

0.17

0.00

0.10

0.14

Syringic acid

2.94

1.29

2.72

6.81

2.14

Vanillic acid

1.48

1.41

1.62

1.69

1.79

Ferulic acid

0.23

0.19

0.26

0.17

0.23

Sinapic acid

0.24

0.28

0.26

0.23

0.27

p-Coumaric acid

3.13

0.65

0.54

0.99

1.00

Rosmarinic acid

0.46

0.23

0.19

0.20

0.29

Cinnamic acid

0.14

0.02

0.05

0.06

0.11

Total

340.80

523.98

429.58

288.10

282.30