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Table 3 Evaluation of the number of bacteria within the C.elegans digestive tract.

From: Propolis can potentialise the anti-adhesion activity of proanthocyanidins on uropathogenic Escherichia coli in the prevention of recurrent urinary tract infections

Strains PACs mg Propolis mg Collection time Median CFU [range]/nematodes after 72 h
NECS978323 - - 0 8.1 × 105 [7.0-9.3 106]
test 1 60 - 4-6 h 3.3 × 105 [2.5-4.0 106]
  60 - 12 h 3.5 × 105 [2.1-5.0 106]
  60 - 24 h 5.2 × 105 [4.4-6.1 106]
test 2 60 170 4-6 h 4.4 × 105 [4.0-4.8 106]
  60 170 12 h 5.1 × 105 [4.8-5.4 106]
  60 170 24 h 6.0 × 105 [4.9-7.2 106]
test 3 60 192 4-6 h 2.3 × 105 [2.0-3.8 106]
  60 192 12 h 4.8 × 105 [4.2-5.4 106]
  60 192 24 h 3.0 × 105 [2.5-3.5 106]
test 4 90 255 4-6 h 2.7 × 105 [1.0-4.2 106]
  90 255 12 h 4.3 × 105 [3.5-5.1 106]
  90 255 24 h 3.7 × 105 [3.2-4.0 106]
test 5 120 340 4-6 h 2.5 × 105 [1.9-3.0 106]
  120 340 12 h 3.8 × 105 [2.2-5.4 106]
  120 340 24 h 1.8 × 105 [1.0-3.1 106]
test 6 - - 4-6 h 6.0 × 105 [4.9-7.2 106]
  - - 12 h 4.5 × 105 [3.9-5.1 106]
  - - 24 h 7.1 × 105 [6.8-7.5 106]
OP50 - - - 6.8 × 105 [6.0-7.5 106]
  1. After 72 h of infection, the C. elegans were washed and ground, and dilutions of the resulting suspension were plated on selective media. The number of CFU per worm of the different strains alone or in combination was calculated. Three replicates were performed for each bacterial combination. E. coli NECS978323 was the strain used in the study. It was used as control (without treatment). No statistical difference could be demonstrated
  2. Range of values are indicated into [square brackets]