Table 1.
Vitamin K2 content in quark samples
| No.a | Pre-culture | Quark | MK-7 | MK-8 | MK-9 | MK-10 | Total VK2 | ||
|---|---|---|---|---|---|---|---|---|---|
| C sourceb | Aeration | C source | Temp.c (°C) | (ng/g of quark; means ± SEMsd) | |||||
| A | Glucose | No | Glucose | 20 | 0.8 ± 0.3 | 5.4 ± 0.8 | 36.7 ± 10.0 | 0.4 ± 0.1 | 44.9 ± 10.6 |
| B | Glucose | No | Glucose | 30 | 1.0 ± 0.3 | 16.0 ± 5.8 | 52.1 ± 8.6 | 1.5 ± 1.2 | 72.1 ± 12.9 |
| C | Glucose | No | Fructose | 30 | 1.0 ± 0.3 | 16.2 ± 2.2 | 64.8 ± 8.2 | 1.0 ± 0.5 | 85.0 ± 10.3 |
| D | Fructose | No | Glucose | 30 | 0.7 ± 0.2 | 7.5 ± 1.5 | 36.3 ± 10.4 | 1.8 ± 1.1 | 48.8 ± 13.0 |
| E | Fructose | No | Fructose | 30 | 2.0 ± 0.5 | 18.8 ± 5.2 | 59.9 ± 9.6 | 0.9 ± 0.4 | 84.4 ± 15.6 |
| F | Fructose | Yes | Glucose | 30 | 1.9 ± 0.3 | 15.9 ± 3.3 | 64.9 ± 5.8 | 1.4 ± 0.1 | 87.3 ± 9.1 |
| G | Fructose | Yes | Fructose | 30 | 1.7 ± 0.4 | 18.9 ± 4.8 | 88.1 ± 8.8 | 2.6 ± 1.1 | 113.8 ± 9.8 |
aEach combination of cultivation condition was given a number for easy reference in the text
bCarbon source
cTemperature
dAll conditions was tested in biological triplicates, except for B which was in duplicate