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. Author manuscript; available in PMC: 2013 Apr 8.
Published in final edited form as: Nat Prod Commun. 2012 Jun;7(6):749–752.

Table 1a.

The identification of the phenolic compounds in chamomile flower (C), tarragon leaf (T) and Mexican arnica flower (MA).

Compound Peak Number
tR (min) [M+H]+ and [M−H]− m/z Major fragments m/z UV λmax (mn)
C T MA
Hydroxycinnamates
1-Caffeyolquinic acida nd 1 1 6.4 ---/353 191, 179, 167, 135 240sh, 300sh, 330
3-Caffeoylquinic acida 1c 2 2 7.3 ---/353 191, 179, 167, 135 240sh, 300sh, 330
Chlorogenic acida 2c 3 5c 11.5 ---/355 191, 179, 167, 135 240sh, 300sh, 330
4-Caffeoylquinic acida 3c 4 6 12.3 ---/356 191, 179, 167, 135 240sh, 300sh, 330
Caffeic acida nd 5 7c 14.7 ---/179 163 240, 298sh, 326
Caffeoyltartaric acida nd 7 nd 18.4 ---/311 179 nd
5-Feruloylquinic acida nd 8 nd 18.6 ---/367 193, 191 nd
Ferulic acid glucosea 5c nd nd 14.4 ---/355 193 nd
Ferulic acid glucosea 8c nd nd 23.2 ---/355 193 240, 298sh, 326
1,4-Dicaffeoylquinic acida nd 17 nd 30 ---/515 353,191, 179, 167, 135 nd
3,4-Dicaffeoylquinic acida 16 20 16 31.2 ---/515 353,191, 179, 167, 135 240, 300sh, 328
1,5-Dicaffeoylquinic acida 17c,d 21 17 31.7 ---/517 353,191, 179, 167, 135 240, 300sh, 328
3,5-Dicaffeoylquinic acida nd 22 18 32.1 ---/517 353,191, 179, 167, 135 240, 298sh, 326
4,5-Dicaffeoylquinic acida 24 25 20 35.2 ---/519 353,191, 179, 167, 135 240, 300sh, 328
3-Caffeoyl-5-feruloyquinic acida nd 26 nd 38.3 ---/529 367, 353, 191,179,135 240, 326
3,4,5-Tricaffeoylquinic acida nd 27 nd 48.8 ---/667 515,353,515,191,179 nd
Flavone 7-O-glycosides
Hexahydroxyflavone 3-O-hexosideb 6 nd nd 20 481/479 319/317 260, 354
Pentahydroxyflavone 7-O-hexosideb 7 nd nd 20.9 465/463 303/301 282, 342
Leteolin 7-O-rutinosidea 9 nd nd 24.9 595/593 287/285 256, 350?
Pentahydroxyflavone 7-O-hexosideb 11 nd nd 26.8 465/463 303/301 268, 338
Luteolin 7-O-glucosidea 12c nd nd 27.5 449/447 287/285 256, 266, 348
Hexahydroxyflavone 3-O-dihexosideb 15 nd nd 30.3 643/641 319/317 nd
Apigenin 7-O-glucosidea 19c nd nd 33.6 433/431 287/285 256, 266, 348
Apigenin 7-O-acetylglucosidea 29c nd nd 42.3 475/473 271/269 268, 338
Apigenin 7-O-acetylglucosidea 32c nd nd 47.2 475/473 271/269 268, 338
Apigenin 7-O-malonylglucosidea 28 nd nd 42.6 519/517 271/269 268, 338
Apigenin 7-O-caffeoyllucosideb 30 nd nd 45 595/593 271/269 nd
Apigenin 7-O-molonylglucosidea 31 nd nd 45.6 519/517 271/269 268, 338
Apigenin 7-O-malonylacetylglucosideb 33 nd nd 47.9 561/559 271/269 268, 338
Apigenin 7-O-malonylacetylglucosideb 34 nd nd 48.2 561/559 271/269 268, 338
Apigenin 7-O-malonylacetylglucosideb 35 nd nd 49.1 561/559 271/269 268, 338
a

the identification was confirmed by comparison to standards or positively identified compounds in reference plant samples;

b

identified tentatively from the LC-MS data;

c

reported in the plant previously;

d

previous identification was not corrected; nd: not determined.