Table 3.
Carotenoid content of high and low toxin K. brevis. Carotenoids having significant differences (p ≤ 0.05) in the light vs dark are shown in bold.
| High mole% (SD) (n = 5) | Low mole% (SD) (n = 5) | |||
|---|---|---|---|---|
| Pigment* | light | dark | light | dark |
| 19'-but-Fucoxanthin | 12.21 (1.91) | 12.96 (1.81) | 8.39 (3.55) | 7.43 (2.58) |
| 19'-but- Fucoxanthin | 12.56 (1.50) | 11.68 (1.63) | 7.66 (2.86) | 6.70 (2.30) |
| 19'-but-Fucoxanthin | 5.723 (1.10) | 4.99 (1.46) | 6.89 (3.83) | 6.54 (1.02) |
| Fucoxanthin | 2.564 (1.04) | 2.26 (1.17) | 5.47 (3.13) | 5.92 (1.93) |
| 19'-hex- Fucoxanthin | 13.44 (2.94) | 14.33 (2.22) | 12.21 (6.42) | 15.83 (0.61) |
| 19'-hex- Fucoxanthin | 15.82 (2.46) | 15.11 (1.64) | 13.20 (7.04) | 17.10 (2.55) |
| 19'-hex- Fucoxanthin | 2.666 (1.23) | 2.34 (1.10) | 5.67 (3.56) | 6.26 (2.99) |
| DiaDinoChrome | 0.12 (0.27) | ND | 0.32 (0.72) | 0.26 (0.59) |
| Diadinoxanthin (Dd) | 15.43 (5.72) | 21.63 (5.41) | 19.54 (6.42) | 22.68 (5.19) |
| Diatoxanthin (Dt) | 6.18 (3.68) | 1.22 (0.35) | 5.56 (5.29) | 2.32 (1.50) |
| Gyroxanthin | 9.59 (1.21) | 9.49 (1.34) | 8.21 (1.75) | 6.81 (0.74) |
| alpha-carotene | 0.19 (0.43) | 0.87 (1.07) | ND | 0.40 (0.63) |
| Tns-β-Carotene | 1.66 (1.74) | 1.38 (0.79) | 2.16 (1.83) | 0.78 (0.75) |
| Cis- β-Carotene | ND | 0.48 (1.06) | ND | ND |
| UNKN#1 | 1.04 (1.20) | 0.67 (0.91) | 1.26 (1.21) | 0.49 (1.10) |
| UNKN#2 | 0.43 (0.77) | 0.30 (0.67) | 1.37 (2.50) | ND |
| UNKN#3 | 0.57 (0.83) | ND | 0.92 (1.28) | ND |
| Zeaxanthin | 0.33 (0.75) | 0.28 (0.63) | 1.14 (1.22) | 0.46 (1.03) |
| DD+DT | 21.61 (5.46) | 22.86 (5.56) | 25.11 (7.84) | 25.01 (5.14) |
| EPS | 0.71 (0.16) | 0.94 (0.018) | 0.80 (0.19) | 0.90 (0.06) |
| Total Fucoxanthin | 64.44 (6.56) | 63.67 (5.78) | 59.49 (10.55) | 65.78 (6.48) |
| But Fucoxanthin | 30.48 (2.00) | 29.63 (3.43) | 22.95 (7.82) | 20.66 (5.38) |
| Hex Fucoxanthin | 31.39 (5.49) | 31.78 (4.05) | 31.08 (15.98) | 39.19 (1.38) |
*
cis fucoxanthin and fucoxanthinol were not present.
ND = not detected.