Table 7 Antimicrobial activity of hemp leaves.

From: Effect of agricultural digestate on antioxidative properties and antimicrobial activity of hemp (Cannabis sativa) leaves

Harvest date

Digestate dose

S. aureus

P. aeruginosa

C. albicans

A. niger

[mm]

I

Control

10.00 ± 0.0a

10.00 ± 0.0a

20.00 ± 0.0a

0.00 ± 0.0a

20 L

14.00 ± 0.0b*

10.00 ± 0.0a

25.00 ± 0.0b*

0.00 ± 0.0a

30 L

18.00 ± 0.0c*

18.00 ± 0.0b*

37.00 ± 0.0c*

6.67 ± 5.77b*

50 L

14.00 ± 0.0b*

18.00 ± 0.0b*

30.00 ± 0.0d*

6.67 ± 5.77b*

II

Control

10.00 ± 0.0aa

10.00 ± 0.0aa

20.00 ± 0.0aa

3.33 ± 5.73ab*

20 L

10.00 ± 0.0ac*

20.00 ± 0.0bc*

20.00 ± 0.0ab*

10.00 ± 0.0bb*

30 L

15.00 ± 0.0bb*

20.00 ± 0.0bc*

30.00 ± 0.0bb*

10.00 ± 0.0bb*

50 L

15.00 ± 0.0bd*

20.00 ± 0.0bc*

30.00 ± 0.0bd*

10.00 ± 0.0bb*

III

Control

10.00 ± 0.0aa

10.00 ± 0.0aa

25.00 ± 0.0ab*

0.00 ± 0.0aa

20 L

10.00 ± 0.0aa

15.00 ± 0.0bb*

30.00 ± 0.0bc*

0.00 ± 0.0aa

30 L

20.00 ± 0.0bc*

18.00 ± 0.0cb*

30.00 ± 0.0bd*

0.00 ± 0.0ab

50 L

20.00 ± 0.0bc*

22.00 ± 0.0dc*

30.00 ± 0.0bd*

10.00 ± 0.0bc*

IV

Control

10.00 ± 0.0aa

10.00 ± 0.0aa

30.00 ± 0.0ab*

0.00 ± 0.0aa

20 L

18.00 ± 0.0bc*

10.00 ± 0.0ba

30.00 ± 0.0bc*

0.00 ± 0.0aa

30 L

20.00 ± 0.0cd*

10.00 ± 0.0bc*

30.00 ± 0.0bd*

0.00 ± 0.0ac*

50 L

20.00 ± 0.0cd*

20.00 ± 0.0cd*

30.00 ± 0.0bd*

0.00 ± 0.0ac*

  1. a–eThe first letter denotes comparison with the control, the second letter denotes comparison with the first harvest date.
  2. *Statistically significant difference compared to the first date of leaf harvest.