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Table 1 pH and lactate concentration of whole-sample lactobacilli cultures at 1asymptote (after 2–5 days of incubation) and 2after neutralization and 2 additional days of incubation. (Samples were numbered in order of ascending pH1 for this table only)

From: Vaginal pH measured in vivo: lactobacilli determine pH and lactic acid concentration

Sample # pH1 Lactic acid (%w/v)1 pH2 Lactic acid (%w/v)2
01 3.51 0.32 3.51 0.45
02 3.68 0.31 3.67 0.40
03 3.70 0.29 3.69 0.38
04 3.71 0.20 3.72 0.28
05 3.72 0.17 3.72 0.24
06 3.73 0.18 3.74 0.22
07 3.80 0.18 3.81 0.26
08 3.81 0.20 3.80 0.31
09 3.90 0.15 3.90 0.20
10 3.91 0.16 3.90 0.21
11 3.92 0.13 3.91 0.18
12 3.93 0.12 3.94 0.18
13 3.97 0.11 3.98 0.15
14 4.08 0.11 4.09 0.17
15 4.10 0.10 4.08 0.14
16 4.15 0.09 4.14 0.13
17 4.20 0.09 4.20 0.14
18 4.21 0.08 4.21 0.16
19 4.29 0.05 4.30 0.11
20 4.32 0.05 4.30 0.14