Extract

5.0 µg/ml

2.5 µg/ml

0.50 µg/ml

0.25 µg/ml

Blackbell-Conventional

2.3 ± 0.3*

1.7 ± 0.2*

1.3 ± 0.2

1.3 ± 0.2

Blackbell-Organic

2.6 ± 0.5*

1.7 ± 0.3*

1.3 ± 0.2

1.4 ± 0.1

Millionaire-Conventional

2.7 ± 0.5*

1.7 ± 0.3*

1.4 ± 0.2

1.4 ± 0.3

Millionaire-Organic

3.2 ± 1.1*

2.1 ± 0.4*

1.4 ± 0.2

1.5 ± 0.2