Table 1 The effect of low-temperature treatment on the content and composition of carotenoids in the two YM25235 strains
Strain | Tm (°C) | Carotenoid content (mg/g DCW) | Carotenoid composition (mg/g DCW) | |||
|---|---|---|---|---|---|---|
Torularhodin | Torulene | γ-carotene | β-carotene | |||
YM25235 | 30 | 2.48 ± 0.06 | 0.35 ± 0.01 | 0.20 ± 0.00 | 0.37 ± 0.01 | 1.41 ± 0.03 |
15 | 3.17 ± 0.12** | 0.54 ± 0.02** | 0.22 ± 0.01 | 0.29 ± 0.01 | 2.03 ± 0.08** | |
YM25235/ RKCrtYBΔ | 30 | 0.14 ± 0.01*** | – | – | – | – |
15 | 0.13 ± 0.01 | – | – | – | – | |