Table 2.
Analysis of the average molecular weight (Mw) and radius of gyration (Rw) determined by size exclusion chromatography coupled with multiangle laser light scattering (SEC-MALL) of EPSs purified from skim-milks fermented for 48 h with the L. plantarum LBIO1, LBIO14 or LBIO28 strains. The Supplementary Figure S2 shows the SEC-MALLS (LS detector 90º) chromatograms.
| Mean ± Standard Deviation (SD) | ||||
|---|---|---|---|---|
| Strain | Parameters | Peak 1 | Peak 2 | Peak 3 |
| LBIO1 (Ropy) | Retention time (min) | 26.83 ± 0.01 | 37.61 ± 7.40 | 41.52 ± 0.01 |
| Mw (× 103 g/mol) | 1154.5 ± 16.26 | 19.9 ± 0.07 | 4.41 ± 0.47 | |
| Rw (nm) | 74.6 ± 2.26 | 34.8 ± 11.9 | 68.9 ± 1.34 | |
| % relative abundance | 15.8 ± 0.1 | 15.3 ± 0.2 | 68.2 ± 0.2 | |
| LBIO14 (No-ropy) | Retention time (min) | ND | 37.80 ± 0.01 | 41.54 ± 0.01 |
| Mw (× 103 g/mol) | 20.3 ± 1.57 | 8.81 ± 3.61 | ||
| Rw (nm) | 39.0 ± 8.9 | 137.1 ± 42.0 | ||
| % relative abundance | 14.6 ± 0.0 | 85.0 ± 0.1 | ||
| LBIO28 (Ropy) | Retention time (min) | 26.73 ± 0.01 | 37.63 ± 0.01 | 41.53 ± 0.01 |
| Mw (× 103 g/mol) | 1183.5 ± 43.13 | 22.4 ± 0.08 | 9.90 ± 0.11 | |
| Rw (nm) | 74.7 ± 0.50 | 45.9 ± 0.7 | 143.1 ± 0.56 | |
| % relative abundance | 15.9 ± 0.5 | 15.2 ± 0.2 | 68.0 ± 0.3 | |
ND: no detected.