Skip to main content
. 2023 Feb 24;14:1110177. doi: 10.3389/fmicb.2023.1110177

Table 2.

Molecular weight and relative abundance (percentual expression) of EPS fractions produced by L paracasei strains in milk at different temperatures.

L. paracasei strain Temperature EPS molecular weight (Da)
High MW fraction (>1 × 105) Middle MW fraction (3 × 104 < PM > 1 × 105) Low MW fraction (<3 × 104)
Mw Relative abundance % Mw Relative abundance % Mw Relative abundance % Mw Relative abundance %
CIDCA 8339 20°C - - 1.4 × 105 57.1 - - 9.0 × 103 42.9
30°C - - 3.9 × 105 50.0 - - 1.0 × 104 50.0
37°C - - 5.4 × 105 33.3 - - 1.2 × 104 66.7
CIDCA 83123 20°C 3.4 × 106 85.1 6.0 × 105 6.4 7.4 × 104 2,1 1.0 × 104 6.8
30°C 3.3 × 106 17.6 6.8 × 105 17.6 7.1 × 104 5.9 1.1 × 104 58.9
37°C 3.5 × 106 9.5 4.5 × 105 14.3 7.8 × 104 9.5 1.2 × 104 66.7
CIDCA 83124 20°C 3.7 × 106 80.0 - - - - 1.1 × 104 20.0
30°C 5.7 × 106 21.0 6.9 × 105 10.5 7.0 × 104 5.3 1.1 × 104 63.1
37°C 1.1 × 106 14.3 - - - - 1.5 × 104 85.7

Relative abundance is calculated considering the percentage of the area of each peak referred to the total area of the chromatogram. Standard deviation ranged between 0.05 and 0.2. Standard deviation in retention time of peak ranged from 0.04 to 0.06.