TABLE 2

Analysis of bacterial growth kinetics calculated with Wolfram Mathematica 10.3

Strain2% xyloglucans2% glucose
k (h−1)ΔODasymtc (h)k (h−1)ΔODasymtc (h)
B. infantis JCM 1260NDaNDNDNDNDND
B. infantis ATCC 15697NDNDNDNDNDND
B. longum UCD4010.555 ± 0.0550.15 ± 0.02b19.7 ± 2.5d0.614 ± 0.0481.25 ± 0.0913.7 ± 0.6
L. plantarum ATCC BAA-7930.386 ± 0.049f0.29 ± 0.03c2.3 ± 0.60e0.569 ± 0.0051.48 ± 0.025.3 ± 0.60
L. johnsonii ATCC 33200NDNDNDNDNDND
  • a ND, not determined.

  • b Significant difference in the asymptotic OD value of B. longum UCD401 compared to L. plantarum and to the positive control, glucose (P < 0.05).

  • c Significant difference in the asymptotic OD value of L. plantarum compared to B. longum UCD401 and to the positive control, glucose (P < 0.05).

  • d Significant difference in the inflection point (tc) of B. longum UCD401 compared to L. plantarum and to the positive control (P < 0.05).

  • e Significant difference in the inflection point (tc) of L. plantarum compared to B. longum UCD401 (P < 0.05).

  • f Significant difference in the growth rate (k) of L. plantarum on xyloglucans compared to that of other strains on xyloglucans and glucose (P < 0.05).