Table 4.
VBNC Lm in agri-food industrial conditions.
Lm strains | Tested conditions | Incubation time | References |
---|---|---|---|
Scott A | Sewage sludge, at 20°C, 6 log CFU/mL | 2, 5, 9 and 17 days |
Wery et al., 2006 |
EGDe, EGDe-GFP LmP60 |
Parsley leaves under low relative humidity (47–69%) 7 log CFU/mL (high inoculum) 4.5 log CFU/mL (low inoculum) |
2 and 15 days | Dreux et al., 2007 |
Endogenous strains | Cattle feedlot manures and compost, stored at 4 °C in the dark | 112 days | Klein et al., 2011 |
Endogenous strains | Samples of RTE foods of vegetal origin from market | Moreno et al., 2012 | |
ATCC19112 | Cheese samples of long-ripened hard cheese, at 6°C, 6-7 log CFU/g | 90 days | Olszewska et al., 2015 |
A strain isolated from pig manure | Nine piggery effluents | Desneux et al., 2016 | |
CCL 500 |
Lm cultured in smoked salmon juice or meat exudate, at 25°C, 3 log CFU/mL |
48 hours | Overney et al., 2016 |
Rifampicin-resistant mutant obtained from CIP110870 (isolated from pig manure) | Digestates from agricultural biogas plants, at 24°C, 6-7 log CFU/mL | 40 days | Maynaud et al., 2016 |
Scott A-GFP | Spinach leaves washed in chlorinated water, 6 log CFU/mL | 2 minutes | Highmore et al., 2018 |
3-strain cocktail (FS2025, FS2030, FS2061) | Rinse water of spinach or romaine lettuce leaves (untreated or chlorinated or peracetic-treated water), 6 log CFU/mL | 30 seconds | Gu et al., 2020 |
6-strain cocktail | Chlorine-treated process wash water from washing shredded lettuce, 5 log CFU/mL |
30 seconds + 1 and 3 hours |
Truchado et al., 2020 |
Endogenous strains | Environmental samples collected in smoked salmon processing plants | Brauge et al., 2020 | |
Endogenous strains | Samples of ready-to-eat (RTE) salad, incubated at 4, 12 or 16°C | Up to 8 days | Bernardo et al., 2021 |
Studies are listed by publication date in the References column.