Research Article
Antioxidative and Cardioprotective Properties of Anthocyanins from Defatted Dabai Extracts
Table 1
Anthocyanins content of the defatted dabai extracts and extracts fractions and other UHPLC parameters.
| Sample | Anthocyanins (mg/g extract) | Pelargonidin-3-glucoside | Malvidin-3-glucoside | Cyanidin-3-galactoside | Cyanidin-3-glucoside | Cyanidin-3-arabinoside | Peonidin-3-glucoside |
| Defatted dabai peel extract | 4.42 ± 0.08 | 5.61 ± 0.22 | 4.42 ± 0.08 | 55.12 ± 0.82 | 4.17 ± 0.27 | Trace | Defatted dabai pericarp extract | ND | ND | 5.84 ± 0.13 | 6.07 ± 0.02 | Trace | ND | 1 | Trace | Trace | 17.45 ± 0.4 | 13.46 ± 0.28 | 1.08 ± 0.03 | Trace | 2 | ND | Trace | 4.72 ± 0.07 | 4.32 ± 0.17 | 0.47 ± 0.01 | Trace | Other parameters | | | | | | | Retention time | 14.0 ± 0.2 | 15.3 ± 0.3 | 17.3 ± 0.4 | 17.8 ± 0.2 | 18.4 ± 0.5 | 19.1 ± 0.3 | RSD (%) for all samples | 1.77–3.22 | 1.27–4.63 | 1.56–9.98 | 0.14–3.96 | 0.25–6.78 | 0.42–15.49 | RSD (%) for defatted dabai peel | 1.77 | 4.0 | 1.77 | 1.48 | 6.58 | 9.01 | Linearity () for defatted dabai peel | 0.953 | 0.978 | 0.953 | 0.999 | 0.989 | 0.963 | LOD for defatted dabai peel (mg/mL) | 0.27 | 1.15 | 0.28 | 0.31 | 0.01 | 0.82 | LOQ for defatted dabai peel (mg/mL) | 1.23 | 5.15 | 4.68 | 1.38 | 0.03 | 3.68 |
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ND: not detected; LOD: limit of detection; LOQ: limit of quantitation. See text for the names of samples 1 and 2.
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