1 材料与方法
1.1 材料
1.2 方法
1.3 数据处理
2 结果与分析
2.1 不同地理种源金线莲生物学特征与活性成分比较分析
图1 不同地理种源金线莲A:福建三明尖叶金线莲,简称为‘三明尖叶’;B:福建三明圆叶金线莲,简称为‘三明圆叶’;C:福建漳州尖叶金线莲,简称为‘漳州尖叶’;D:台湾金线莲,简称为‘台湾AF’。标尺为1 cm。 Fig. 1 Different geographical provenances of A. roxburghii and A. formosanus A: A. roxburghii (narrow leaves) in Sanming, Fujian. ‘Sanming NL’ for short; B: A. roxburghii (round leaves) in Sanming, Fujian. ‘Sanming RL’ for short; C: A. roxburghii (narrow leaves) in Zhangzhou, Fujian. ‘Zhangzhou NL’ for short; D: A. formosanus in Taiwan. ‘Taiwan AF’ for short. (Scale bars 1 cm). |
表1 不同地理种源金线莲种植满120 d时单株鲜重与单株干重比较分析Tab. 1 Comparative analysis of fresh weight and dry weight per plant among different geographical provenances of A. roxburghii and A. formosanus on 120 days after transplantation mg |
| 品种 Cultivars | 单株鲜重 Fresh weigh per plant | 单株干重 Dry weigh per plant |
|---|---|---|
| 三明尖叶 | 638±91c | 51±9c |
| 三明圆叶 | 756±83c | 67±9b |
| 漳州尖叶 | 1496±375a | 138±36a |
| 台湾AF | 920±113b | 61±8bc |
Note: Values in the same column with different lowercase letters mean significant difference (P<0.05). | |
注:同列数值后不同小写字母表示差异显著(P<0.05)。 |
表2 不同地理种源金线莲种植满120 d时活性成分比较分析Tab. 2 Comparative analysis of active ingredients among different geographical provenances of A. roxburghii and A. formosanus on 120 days after transplantation mg·g-1 |
| 品种 Cultivars | 总多酚 Total polyphenols | 总黄酮 Total flavonoids | 多糖 Polysaccharides |
|---|---|---|---|
| 三明尖叶 | 8.11±0.22c | 3.62±0.18c | 12.85±1.72b |
| 三明圆叶 | 8.96±0.09b | 3.86±0.07b | 9.41±0.76b |
| 漳州尖叶 | 6.60±0.12d | 3.14±0.15d | 45.90±2.71a |
| 台湾AF | 9.33±0.18a | 4.55±0.06a | 9.61±0.35b |
Note: Values in the same column with different lowercase letters mean significant difference (P<0.05). | |
注:同列数值后不同小写字母表示差异显著(P<0.05)。 |
2.2 同一地理种源金线莲不同采集时间比较分析
表3 同一地理种源金线莲不同采集时间单株鲜重比较分析Tab. 3 Comparative analysis of fresh weight per plant among different collection time for the same geographical provenances of A. roxburghii and A. formosanus mg |
| 天数Days | 三明尖叶 Sanming NL | 三明圆叶 Sanming RL | 漳州尖叶 Zhangzhou NL | 台湾AF Taiwan AF |
|---|---|---|---|---|
| 0 | 813±146a | 577±100c | 1115±172c | 662±105d |
| 30 | 755±144b | 577±86c | 1232±135c | 880±167c |
| 60 | 619±103b | 644±115c | 1314±258bc | 942±153c |
| 90 | 831±190a | 727±187ab | 1124±222c | 975±190c |
| 120 | 638±91b | 756±83ab | 1496±375b | 920±113c |
| 150 | 845±106a | 655±103bc | 1512±245b | 1102±184b |
| 180 | 841±218a | 826±267a | 1705±334a | 1285±213a |
Note: Values in the same column with different lowercase letters mean significant difference (P<0.05). | |
注:同列数值后不同小写字母表示差异显著(P<0.05)。 |
表4 同一地理种源金线莲不同采集时间单株干重比较分析Tab. 4 Comparative analysis of dry weight per plant among different collection time for the same geographical provenances of A. roxburghii and A. formosanus mg |
| 天数Days | 三明尖叶 Sanming NL | 三明圆叶 Sanming RL | 漳州尖叶 Zhangzhou NL | 台湾AF Taiwan AF |
|---|---|---|---|---|
| 0 | 70±14a | 52±10b | 120±21c | 46±8c |
| 30 | 66±15a | 58±11ab | 137±16bc | 63±15b |
| 60 | 50±11b | 53±11ab | 131±30bc | 70±13b |
| 90 | 66±8a | 60±18ab | 97±24d | 67±16b |
| 120 | 51±9b | 67±9a | 138±36bc | 61±8b |
| 150 | 65±10a | 58±10ab | 152±32b | 104±31a |
| 180 | 65±17a | 65±26a | 185±30a | 98±19a |
Note: Values in the same column with different lowercase letters mean significant difference (P<0.05). | |
注:同列数值后不同小写字母表示差异显著(P<0.05)。 |
图2 同一地理种源金线莲不同采集时间活性成分比较分析不同小写字母标记表示同一品种不同采集时间的活性成分含量差异显著(P<0.05)。 Fig. 2 Comparative analysis of active ingredients on different collection time for the same cultivar in A. roxburghiiand A. formosanus Different lowercase letters show significantly different among different collection time for the same cultivar (P<0.05). |
2.3 同一地理种源金线莲不同部位活性成分比较分析
表5 同一品种不同部位活性成分比较分析Tab. 5 Comparative analysis of active ingredients in different part of A. roxburghii |
| 活性成分 Active ingredients | 三明尖叶 Sanming NL | 三明圆叶 Sanming RL | ||
|---|---|---|---|---|
| 叶Leaves | 茎Stem | 叶Leaves | 茎Stem | |
| 总多酚/(mg·g-1) | 14.33±0.23a | 7.69±0.13b | 11.4±0.26a | 5.16±0.05b |
| 总黄酮/(mg·g-1) | 3.87±0.15a | 1.69±0.02b | 3.57±0.1a | 1.61±0.03b |
| 多糖/(mg·g-1) | 8.36±0.5b | 34.62±2.08a | 11.62±0.68b | 77.32±2.13a |
Note: Values with different lowercase letters on the same row mean significant difference for different part of plants in the same cultivar (P<0.05). | |
注:同一行数值后不同小写字母表示同一品种不同部位差异显著(P < 0.05)。 |
2.4 生物学性状与活性成分相关性分析
表6 生物学性状与活性成分相关系数Tab. 6 Correlation coefficient of biological traits and active ingredients during different collection time |
| 项目 Item | 叶数 Leaf number | 叶长a Leaf lengtha | 叶宽b Leaf width b | 茎高 Stem height | 茎直径 Stem diameter | 单株鲜重Fresh weight per plant | 单株干重 Dry weight per plant | 总多酚 Total polyphenols | 总黄酮 Total flavonoids | 多糖 Polysaccharides |
|---|---|---|---|---|---|---|---|---|---|---|
| 叶数 | 1 | |||||||||
| 叶长a | 0.322 | 1 | ||||||||
| 叶宽b | 0.013 | 0.692** | 1 | |||||||
| 茎高 | 0.024 | 0.388* | 0.502** | 1 | ||||||
| 茎直径 | 0.433* | 0.158 | 0.630** | 0.383* | 1 | |||||
| 单株鲜重 | 0.199 | 0.748** | 0.902** | 0.647** | 0.544** | 1 | ||||
| 单株干重 | 0.332 | 0.705** | 0.839** | 0.590** | 0.461* | 0.949** | 1 | |||
| 总多酚 | 0.248 | 0.410* | 0.226 | 0.220 | 0.110 | 0.338 | 0.421 | 1 | ||
| 总黄酮 | 0.077 | 0.368 | 0.353 | 0.171 | 0.004 | 0.259 | 0.145 | 0.420* | 1 | |
| 多糖 | 0.325 | 0.518** | 0.352* | 0.180 | 0.044 | 0.510** | 0.555** | 0.792** | 0.211 | 1 |
Note: a and b mean the length and width of the biggest leaf of the plant, respectively. * and ** show that the correlation are significant at the 0.05 and 0.01 level, respectively. | |
注:a及b分别为植株最大展开叶的叶长与叶宽。*和**分别表示在0.05及0.01水平显著性相关。 |
