Table II.
Culture characteristics of D. salina in the logarithmic and stationary growth phases
| Characteristic | Culture Stage
|
|
|---|---|---|
| Log | Stationary | |
| Chlorophyll (pg cell−1) | 7.34 ± 1.37 | 8.73 ± 0.65 |
| Carotenoid (mg L−1) | 2.16 ± 0.43 | 5.73 ± 0.31 |
| Carotenoid (pg cell−1) | 2.74 ± 0.44 | 7.22 ± 0.32 |
| Carotenoid accumulation (pg cell−1 d−1) | 0.13 | 0.34 |
| Percent cis (other than 9-cis)a | 22.80 | 25.10 |
| Percent all-transa | 66.12 | 24.10 |
| Percent 9-cisa | 11.10 | 50.82 |
Algae were grown under an irradiance of 20 μmol m−2 s−1 (n = 3 ± se).
a
Data for isomeric composition of β-carotene is the mean of two separate analyses. Values are expressed as a percentage of total β-carotene.