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Table 3 Antimicrobial activity of the extracts

From: Sources for developing new medicinal products: biochemical investigations on alcoholic extracts obtained from aerial parts of some Romanian Amaryllidaceae species

Samples

Diameter of inhibition zone (mm)

S. enteritidis

E. coli

L. monocytogenes

S. aureus

C. albicans

A. brasiliensis

N. pseudo- narcissus

6 ± 0.00a

6 ± 0.00a

12 ± 1.00a

14 ± 1.00b

18 ± 0.00d

16 ± 0.00f

N. poeticus

6 ± 0.00a

6 ± 0.50a

12 ± 0.00a

16 ± 2.00c

28 ± 0.50e

22 ± 0.00g

G. nivalis

6 ± 0.00a

6 ± 0.00a

10 ± 0.50a

18 ± 2.00c

6 ± 0.50d

16 ± 2.00g

L. vernum

6 ± 0.00a

6 ± 0.00a

10 ± 1.00a

22 ± 1.00c

6 ± 0.00d

6 ± 0.00f

Gentamicin

19 ± 1.00

18 ± 1.06

22 ± 0.50

18 ± 0.00

Fluconazole

25 ± 1.00

Amphotericin B

21 ± 0.00

  1. Notes: The values represent the average of three determinations±SD. ap < 0.001 (all sample versus Gentamicin); bp < 0.05 (Npn versus Gentamicin); cp > 0.05 (Np, Gn, Lv versus Gentamicin)
  2. bp < 0.05 (Npn versus Gentamicin)
  3. cp > 0.05 (Np, Gn, Lv versus Gentamicin)
  4. dp < 0.001 (Npn, Gn, Lv versus Fluconazole)
  5. ep < 0.05 (Np versus Fluconazole)
  6. fp < 0.001 (Npn, Lv versus Amphotericin B)
  7. gp < 0.05 (Np, Gn versus Amphotericin B)
  8. Gentamicin (10 μg/disk), Fluconazole (25 μg/disk), Amphotericin B (10 μg/disk),) were used as positive controls