Enzyme source | Initial lactose concentration (g L−1) | Enzyme loading (Ulactose ml−1 μg ml−1) | Temperature (°C) | Time for reaching maximum yield | GalOS productivity (g L−1 h−1) | Maximum yield of GalOS % | References | |
---|---|---|---|---|---|---|---|---|
Lactobacillus delbrueckii subsp. bulgaricus | 205 | 1.5 | >12.2a | 50 | 5 h | 19.8 | ~50 | [23] |
Bifidobacterium breve | 200 | 2.5 | >25.8a | 30 | 6 h | 14.7 | 44 | [51] |
Thermotoga maritima | 500 | 1.5 | >23.6a | 80 | 5 h | 18.2 | 18 | |
Marine metagenomic library | 360 | 18 | 267.9 | 40 | ~10 h | 20.6 | 57.1 | [52] |
Caldicellulosiruptor owensensis | 500 | 2.5 | 8.9 | 70 | 50 min | 265.2 | 44.2 | This work |