Cultivars

Treatment

μg catecol/ml extract or exudate

Free phenols

Conjugated phenols

Total phenols

Libyan

Seed extracts

2.69

2.51

5.20

Seed exudates

2.50

0.915

3.40

Root extracts

2.16

1.19

3.35

Root exudates

1.80

0.60

2.40

Giza-6

Seed extracts

5.00

2.80

7.80

Seed exudates

3.37

1.10

4.47

Root extracts

4.85

1.83

6.68

Root exudates

2.53

0.69

3.22