Table 1.
Contents of total phenolics and total flavonoids in the different parts of lotus root varieties.
| Varieties | Total Phenolics Content (mg GAE/g FW) | Total Flavonoids Content (mg RE/g FW) | ||||
|---|---|---|---|---|---|---|
| Flesh | Peel | Node | Flesh | Peel | Node | |
| No. 5 elian | 1.39 ± 0.05 b | 4.97 ± 0.04 h | 6.09 ± 0.06 b | 2.40 ± 0.13 b | 9.26 ± 0.00 f | 12.46 ± 0.72 a |
| No. 6 elian | 1.44 ± 0.08 b | 2.80 ± 0.16 a | 6.94 ± 0.12 c | 2.49 ± 0.09 b | 5.35 ± 0.09 a | 15.68 ± 0.28 cd |
| No. 7 elian | 1.81 ± 0.04 d | 3.96 ± 0.11 cd | 7.57 ± 0.01 d | 3.02 ± 0.11 cd | 7.03 ± 0.00 bc | 16.12 ± 0.97 d |
| No. 8 elian | 1.10 ± 0.06 a | 3.69 ± 0.16 b | 5.27 ± 0.04 a | 1.89 ± 0.10 a | 6.77 ± 0.17 b | 13.98 ± 0.06 b |
| Yingcheng Bailian | 1.69 ± 0.03 c | 3.89 ± 0.06 c | 6.95 ± 0.19 c | 3.58 ± 0.03 e | 7.38 ± 0.23 cde | 14.30 ± 0.95 bc |
| Zoumayang | 1.90 ± 0.04 de | 4.59 ± 0.07 e | 6.95 ± 0.17 c | 3.30 ± 0.17 de | 7.55 ± 0.20 e | 14.33 ± 0.10 bc |
| Guixi Fuou | 2.33 ± 0.07 g | 4.69 ± 0.15 fg | 8.14 ± 0.07 e | 6.33 ± 0.19 g | 9.63 ± 0.12 g | 16.72 ± 0.90 d |
| Baheou | 2.52 ± 0.05 h | 4.68 ± 0.07 fg | 6.95 ± 0.08 c | 4.68 ± 0.02 f | 9.11 ± 0.14 f | 14.42 ± 0.28 bc |
| Baipaozi | 1.82 ± 0.05 d | 4.68 ± 0.10 fg | 6.27 ± 0.15 b | 3.32 ± 0.13 de | 9.25 ± 0.21 f | 15.82 ± 0.20 cd |
| Bobaiou | 1.84 ± 0.04 d | 4.29 ± 0.11 e | 6.85 ± 0.16 c | 3.06 ± 0.14 cd | 7.14 ± 0.20 bcd | 13.29 ± 0.31 ab |
| No. 2 Wuzhi | 1.96 ± 0.09 ef | 4.92 ± 0.17 h | 9.80 ± 0.25 g | 3.51 ± 0.18 e | 7.47 ± 0.26 de | 19.34 ± 0.51 e |
| 8143 | 2.02 ± 0.02 f | 4.14 ± 0.13 de | 8.31 ± 0.10 e | 2.91 ± 0.11 c | 6.69 ± 0.11 bc | 16.11 ± 0.87 d |
| Changzhou Piaojiangou | 1.66 ± 0.01 c | 4.54 ± 0.10 f | 9.44 ± 0.16 f | 3.07 ± 0.09 cd | 7.36 ± 0.15 cde | 19.98 ± 0.93 e |
| Mean | 1.81 | 4.30 | 7.35 | 3.35 | 7.69 | 15.58 |
| Coefficient of variation | 20.87% | 14.01% | 17.54% | 33.33% | 16.36% | 14.05% |
The statistical differences in individual content among varieties were evaluated with One-way analysis of variance and Student–Newman–Keuls test. Data marked with different letters are significantly different (p < 0.05), and marked with same letter are statistically indifferent (p > 0.05).