Peaks | t R (min) | M0 [M+H]+ | M1 [M+H]+ | MS2 | Identification |
---|---|---|---|---|---|
1 | 2.59 | – | 375 | 345 | Di hydroxy tetramethoxyflavone |
2 | 2.63 | – | 375 | 345 | Di hydroxy tetramethoxyflavone |
3 | 2.81 | – | 375 | 345, 331, 301 | 3′,4′-di hydroxy-5,6,7,8- tetramethoxy-flavone |
4 | 3.16 | – | 389 | 359, 374, 341 | 6-hydroxy-5,7,8,3′,4′-pentamethoxy-flavone or 7-hydroxy-5,6,8,3′,4′-pentame-thoxyflavone |
6 | 3.25 | – | 359 | 329 | 4′-hydroxy-5,6,7,8- tetramethoxyflavone |
7 | 3.33 | 389 | 389 | 359, 374, 341 | 4′-hydroxy - 5,6,7,8,3′-pentamethoxyfla-vone or 3′-hydroxy- 5,6,7,8,4′-pentame-thoxyflavone |
8 | 3.53 | 373 | 373 | 343, 312 | Pentamethoxyflavone |
9 | 3.60 | 359 | 359 | 329 | Monohydroxy-tetramethoxyflavone |
10 | 3.88 | 403 | 403 | 373 | Nobiletin |
11 | 4.25 | 373 | 373 | 343, 325 | Tangeritin |
12 | 4.53 | 389 | 389 | 359, 341, 374 | Monohydryoxy- pentamethoxyflavone |