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Table 2 Bacterial count of different species of microorganisms in PM and IM samples at T2

From: Inoculation of mother’s own milk could personalize pasteurized donor human milk used for feeding preterm infants

Description Genus/species Phylum log10 CFU/mL Samples
PM IM PM IM
Pathogens B. cereus (Fir) < 1.0 < 1.0
E. coli (Pro) < 1.0 < 1.0
L. monocytogenesa (Fir) Absent Absent
P. aeruginosaa (Pro) Absent Present 3, 5, 7
S. aureus (Fir) 3.8 ± 1.1 4.0 ± 1.3 3, 5, 6, 7 3, 5, 6, 7
S. aureus toxin genesa   sea-seh sea-seh 3, 5 3, 5
Hygiene indicators Coliforms (Pro) 2.4 ± 0.8 3.8 ± 0.3 3, 5 3, 5
Enterobacteriaceae (Pro) 1.9 ± 1.3 4.4 ± 0.9 3, 5 3, 5
Pseudomonas spp. (Pro) 2.0 ± 1.1 3.4 ± 1.5 3, 5 3, 5, 7
LAB Enterococcus spp. (Fir) 3.6 ± 1.3 3.8 ± 1.3 4, 10 4, 10
Lactobacillus spp. (Fir) 3.9 ± 0.8 3.3 ± 1.3 All samples All samples
Streptococcus spp. (Fir) 3.3 ± 0.7 3.1 ± 1.8 1, 2, 3, 4, 8, 9, 10 1, 2, 3, 4, 8, 10
Other bacteria Bifidobacterium spp. (Act) 2.0 ± 0.1 Absent 9
Propionibacterium spp. (Act) 3.2 ± 0.7 2.1 ± 0.6 1, 2, 3, 4, 5, 7 1, 2, 3, 4, 5, 7
Yeasts   (Asc) 2.6 ± 1.1 1.5 ± 0.1 5, 9 5, 9
  1. Data were expressed as mean ± SD
  2. Fir firmicutes, Pro proteobacteria, Act actinobacteria, Asc ascomycota
  3. aDetected by PCR or RT-PCR