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Table 4 Antimicrobial results (macrodilution assays) obtained for honey produced by Melipona stingless bees and for commercial honeys produced by Apis sp. bees for different bacterial strains

From: Antimicrobial activity and rutin identification of honey produced by the stingless bee Melipona compressipes manaosensis and commercial honey

Honey sample

Honey dilutiona

Bacterial species

S. a:ureus

E. coli

P. vulgaris

S. sonnei

S. paratyphi

Klebsiella sp.

AR

11

+

+

-

-

-

-

1:2

+

+

-

-

-

-

1:4

+

+

-

-

+

+

1:6

+

+

+

+

+

+

1:8

+

+

+

+

+

+

Positive control

+

+

+

+

+

+

Negative control

-

-

-

-

-

-

AD

11

-

+

-

+

+

-

1:2

-

+

-

+

+

-

1:4

+

+

-

+

+

+

1:6

+

+

+

+

+

+

1:8

+

+

+

+

+

+

Positive control

+

+

+

+

+

+

Negative control

-

-

-

-

-

-

B

11

-

-

-

-

-

-

1:2

-

-

-

-

-

-

1:4

-

+

-

-

-

-

1:6

+

+

+

-

+

+

1:8

+

+

+

+

+

+

Positive control

+

+

+

+

+

+

Negative control

-

-

-

-

-

-

C

11

-

-

-

-

+

-

1:2

-

-

-

-

+

-

1:4

+

+

+

+

+

+

1:6

+

+

+

+

+

+

1:8

+

+

+

+

+

+

Positive control

+

+

+

+

+

+

Negative control

-

-

-

-

-

-

D

11

-

-

-

-

+

-

1:2

-

+

-

-

+

-

1:4

-

+

-

+

+

+

1:6

-

+

-

+

+

+

1:8

+

+

-

+

+

+

Positive control

+

+

+

+

+

+

Negative control

-

-

-

-

-

-

  1. A: Honey from stingless bee Melipona compressipes manaosensis collected during rainy (R) and dry (D) seasons. B: Eucalyptus honey from Apis sp. bees acquired at a store in Rio Grande do Sul. C: Honey from Apis sp. bees acquired at a store in Ceará. D: Commercial honey from the stingless bee Jandaíra (M. subnitida), produced by the community of RDS Tupé (rural zone of Manaus).
  2. a Diluted in culture broth (w/w). + Inhibition zone between 10 and 15 mm. - Absence of inhibition zone.