表1 组分3~6中化合物的色谱和质谱信息
|
活性成分编号 |
转速 ( t R/min) |
化合物 |
[M-H] -峰 ( m/z) |
HPLC-ESI-MS/MS检测 ( m/z) |
|
1 |
23.1 |
Floramanoside B |
495 |
333[M-H-Glc] - |
|
2 |
24.3 |
杨梅素-3- O-芸香糖苷 |
625 |
317 [M-H-Rha-Glc] - 316 [M-2H-Rha-Glc] - |
|
3 |
24.7 |
杨梅素-3- O-β-D-半乳糖苷 |
479 |
317[M-H-Gal] - 316 [M-2H-Gal] - |
|
4 |
25.8 |
杨梅素-3- O-β-D-葡萄糖苷 |
479 |
317[M-H-Glc] - 316 [M-2H-Glc] - |
|
5 |
27.1 |
槲皮素-3- O-β-D-木糖基 |
595 |
463 [M-H-Gal] - 301 [M-H-Xyl-Gal] - |
|
(1→2)- O-β-D-半乳糖苷 |
300 [M-2H-Xyl-Gal] - |
|||
|
6 |
32.8 |
Floramanoside C |
509 |
333[M-H-GluA] - |
|
7 |
34.7 |
槲皮素-3- O-刺槐糖苷 |
609 |
463 [M-H-Rha] - 301[M-H-Rha-Gal] - |
|
8 * |
36.4 |
芦丁 |
609 |
463 [M-H-Rha] - 301[M-H-Rha-Glc] - |
|
9 * |
38.9 |
金丝桃苷 |
463 |
301[M-H-Gal] - |
|
10 * |
42.9 |
异槲皮素 |
463 |
301[M-H-Glc] - |
|
11 |
46.5 |
杨梅素-3′- O-β-D-葡萄糖苷 |
479 |
317[M-H-Glc] - |
|
12 |
53.6 |
棉皮素-8- O-β-D-葡萄糖醛酸 |
493 |
317[M-H-GluA] - |
|
13 * |
56.5 |
杨梅素 |
317 |
317[M-H] - 299[M-H-H 2O] - |
|
14 |
57.7 |
槲皮素-3′- O-葡萄糖苷 |
463 |
301 [M-H-Glc] - |
|
15 * |
63.9 |
槲皮素 |
301 |
179[M-H-C 7H 6O 2] - 151[M-H-C 8H 6O 3] - |
*与对照品比对，已确定的化合物；HPLC-ESI-MS/MS:高效液相色谱—电喷雾电离质谱.