1 材料与方法
0.1 材料
1.2 方法
2 结果与分析
2.1 山柰
图3 甲氧基肉桂酸乙酯(a)及山柰油细胞(b)的拉曼光谱图Fig. 3 Raman spectra of 4-methoxycinnamic acid ethyl ester (a) and Kaempferia galanga L. in oil cells (b) |
表1 甲氧基肉桂酸乙酯计算、实验拉曼光谱及油细胞拉曼光谱的归属Tab. 1 Assignments of theoretical Raman spectrum of 4-methoxycinnamic acid ethyl ester to Raman spectra of 4-methoxycinnamic acid ethyl ester and oil cells |
| 甲氧基肉桂酸乙酯 4-methoxycinnamic acid ethyl ester | 油细胞 Oil cells | 归属 Assignment | ||
|---|---|---|---|---|
| 计算Calculation /cm-1 | 活性 Activity /(A4·AMU-1) | 实验 Experiment /cm-1 | 山柰 Kaempferia galanga L./cm-1 | |
| 381 | 1.7254 | 380 | 376 | 13O-19C-22C bending |
| 566 | 10.7388 | 550 | 553 | Ring breathing and 3C-14O-15C bending |
| 650 | 8.2517 | 636 | 637 | Ring deformation |
| 781 | 24.4532 | 779 | 778 | Ring breathing and 6C-28=26C bending |
| 844 | 0.7026 | 847 | 849 | γ (C-H) |
| 860 | 42.5089 | 866 | 865 | γ (CH3 & C-O) and ring breathing |
| 879 | 5.1764 | 883 | 881 | γ (CH3 & C-O) and ring breathing |
| 1118 | 22.0088 | 1116 | 1112 | γ (22CH3 &22C-19C) |
| 1179 | 341.4368 | 1171 | 1171 | γ (C-H) |
| 1208 | 261.4502 | 1207 | 1204 | γ (C-H) |
| 1251 | 202.3404 | 1249 | 1249 | ν (11C-13O) |
| 1281 | 288.9793 | 1301 | 1302 | γ (C-H) |
| 1309 | 9.0931 | 1313 | 1313 | γ (C-H) |
| 1434 | 102.8420 | 1423 | 1422 | Ring γ (C-H) |
| 1562 | 150.0917 | 1572 | 1576 | ν ring |
| 1604 | 1534.2383 | 1600 | 1604 | ν ring |
| 1632 | 916.0579 | 1631 | 1634 | ν (26C=28C) |
| 1705 | 747.8491 | 1699 | 1707 | ν (11C=12O) |
Notes: ν indicates stretching mode; γ indicates rocking mode. | |
注:ν表示伸缩振动;γ 表示摇摆振动。 |
2.2 海南三七
图7 海南三七的Raman光谱(a)苯甲酸苄脂的拉曼光谱(b)和理论计算苯甲酸苄脂拉曼分子的光谱(c)Fig. 7 Raman spectra of Kaempferia rotunda (a), benzyl benzoate (b) and the calculational wavenumbers of benzyl benzoate molecule (c) |
表2 苯甲酸苄脂计算、实验拉曼光谱及油细胞拉曼光谱的归属Tab. 2 Assignments of theoretical Raman spectrum of benzyl benzoate to Raman spectra of benzyl benzoate and oil cells |
| 苯甲酸苄脂Benzyl benzoate | 油细胞 Oil cells | 归属 Assignment | ||
|---|---|---|---|---|
| 计算Calculation /cm-1 | 活性 Activity /(A4·AMU-1) | 实验 Experiment/cm-1 | 海南三七 Kaempferia rotunda L./cm-1 | |
| 199 | 1.9437 | 199 | 197 | Butterfly |
| 632 | 6.0986 | 619 | 617 | Ring deformation |
| 689 | 4.5014 | 675 | 674 | Ring deformation |
| 811 | 3.5309 | 810 | 804 | Ring breathing, and γ (C-H) |
| 904 | 24.1455 | 887 | 885 | γ (C-H) |
| 1018 | 54.1848 | 1004 | 1002 | Ring breathing |
| 1046 | 10.1515 | 1030 | 1028 | γ (C-H) |
| 1183 | 5.2748 | 1160 | 1158 | γ (C-H) |
| 1196 | 4.7231 | 1178 | 1172 | γ (C-H) |
| 1238 | 33.9405 | 1213 | 1211 | Ring breathing, ν (C-C) |
| 1275 | 617.9768 | 1271 | 1272 | ν (C-O, C-C) and γ (C-H) |
| 1338 | 2.6077 | 1315 | 1316 | Ring deformation and γ (C-H) |
| 1406 | 34.9402 | 1377 | 1376 | γ (24CH2) |
| 1479 | 4.5631 | 1452 | 1452 | Ring γ (C-H) |
| 1641 | 104.7796 | 1602 | 1601 | ν ring |
| 1760 | 74.7332 | 1719 | 1721 | ν (23C=25O) |
Note: ν indicates stretching mode; γ indicates rocking mode. | |
注:ν表示伸缩振动;γ 表示摇摆振动。 |
