Table 4.
Total polyphenols, total flavonoids, total anthocyanins, and selected anthocyanins content in rose liqueurs from maceration or conventional extraction of fresh and dry petals of Rosa rugosa cv. Alba and Rubra (expressed as mg/g of fresh or dry material). ND = Not detected.
| Fresh Petals | Dry Petals | |||
|---|---|---|---|---|
| Conventional | Maceration | Conventional | Maceration | |
| Total polyphenols | ||||
| Alba | 12.66 ± 0.24 | 17.35 ± 0.14 | 93.0 ± 1.61 | 75.80 ± 1.34 |
| Rubra | 29.71 ± 0.81 | 29.75 ± 0.58 | 183.51 ± 5.62 | 167.76 ± 3.14 |
| Total flavonoids | ||||
| Alba | 6.68 ± 0.1 | 13.35 ± 0.31 | 46.95 ± 2.32 | 58.28 ± 2.34 |
| Rubra | 12.84 ± 0.23 | 28.02 ± 0.45 | 64.1 ± 3.86 | 115.43 ± 6.64 |
| Total anthocyanins | ||||
| Alba | ND | ND | ND | ND |
| Rubra | 1.96 ± 0.01 | 3.60 ± 0.02 | 11.62 ± 0.04 | 15.31 ± 0.04 |
| Cyanidin-3-O-glucoside | ||||
| Alba | ND | ND | ND | ND |
| Rubra | 1.89 ± 0.01 | 1.65 ± 0.01 | 7.69 ± 0.03 | 7.25 ± 0.03 |
| Malvidin-3-O-glucoside | ||||
| Alba | ND | ND | ND | ND |
| Rubra | 0.03 ± 0.01 | 0.02 ± 0.01 | 0.15 ± 0.01 | 0.08 ± 0.01 |