Table 1 The anthocyanins in bracts of poinsettia cultivars and their respective concentration as determined by HPLC and LC-MS analysis of extracts
Anthocyanin composition [mg/g FW] | ‘Christmas Beauty’ | ‘Christmas Feeling’ | ‘Harvest Orange’ | ‘Premium Red’ |
|---|---|---|---|---|
Total anthocyanins | 29.7 ± 1.7 | 29.0 ± 0.5 | 15.4 ± 0.7 | 9.3 ± 3.9 |
Pelargonidin 3-O-glucoside | 6.4 ± 0.4 | 5.2 ± 0.9 | 9.9 ± 0.1 | 3.8 ± 0.6 |
Pelargonidin 3-O-rutinoside | 3.0 ± 0.2 | 2.9 ± 0.6 | 5.0 ± 0.6 | 2.0 ± 0.1 |
Other pelargonidin derivativesa | ≥ 0.02 | ≥0.01 | ≥0.02 | ≥0.02 |
Total pelargonidin based anthocyanins | 9.4 ± 0.6 | 8.2 ± 0.1 | 14.9 ± 0.2 | 7.9 ± 3.6 |
Cyanidin-3-O-glucoside | 5.3 ± 0.2 | 5.0 ± 0.9 | 0.06 ± 0.1 | 0.4 ± 0.1 |
Cyanidin-3-O-rutinoside | 9.9 ± 0.4 | 10.4 ± 0.2 | n.d. | 0.7 ± 0.1 |
Cyanidin-3-O-galactoside | 5.0 ± 0.7 | 5.4 ± 0.7 | n.d. | 0.2 ± 0.03 |
Other cyanidin derivativesb | ≥0.06 | ≥ 0.05 | n.d. | ≥0.01 |
Total cyanidin based anthocyanins | 20.3 ± 1.4 | 20.9 ± 0.3 | 0.06 ± 0.1 | 1.3 ± 0.2 |
Total delphinidin based anthocyanins | ≥0.01 | ≥0.01 | n.d. | ≥0.01 |