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. 2018 Oct 31;23(11):2829. doi: 10.3390/molecules23112829

Table 2.

Analytical data of phenolic compounds identified in the crude MeOH extract of M. arvensis aerial parts.

Number Rt (min) Name UV (λmax, nm) [M + H]+, m/z (%)
1 14.08 Kaempferol-3-O-β-(2″-O-glucosyl)-rutinoside 266.6, 319.9 sh, 338.9 757 (100) 611 (1.0) [(M + H)-146]+; 595 (46) [(M + H)-162]+; 449 (4) [(M + H)-308]+; 287 (1) [(M + H)-308-162]+, [Aglycone + H]+
2 14.60 Kaempferol-3-O-β-(2″-O-xylosyl-6″-O-rhamnosyl)-glucoside 266.6, 319.9 sh, 338.9 727 (100) 595 (37) [(M + H)-132]+; 581 (2) [(M + H)-146]+; 433 (6) [(M + H)-162-132]+; 287 (2) [(M + H)-132-162-146]+, [Aglycone + H]+
3 16.47 Quercetin-3-O-β-sophoroside-7-O-α-rhamnoside 257.2, 268.0 sh, 352.0 773 (100) 611 (2) [(M + H)-162-]+; 449 (64) [(M + H)-162-162]+; 303 (18) [(M + H)-162-162-146]+, [Aglycone + H]+
4 16.81 Quercetin-3-O-β-glucosyl-7-O-α-rhamnoside 256.0, 268.0 sh, 354.4 611 (100) 449 (71) [(M + H)-162]+; 303 (19) [(M + H)-162-146]+, [Aglycone + H]+
5 18.26 Kaempferol-3-O-β-sophoroside-7-O-α-rhamnoside 266.6, 319.0 sh, 343.6 757 (100) 595 (2) [(M + H)-162]+; 433.1 (81) [(M + H)-162-162]+; 287.0 (28) [(M + H)-162-162-146]+, [Aglycone + H]+
6 18.28 Kaempferol-3-O-β-glucosyl-7-O-α-rhamnoside 266.6, 320.0 sh, 342.4 595 (100) 433 (78) [(M + H)-162]+; 287 (23) [(M + H)-162-146]+, [Aglycone + H]+
7 18.95 Kaempferol-3-O-α-arabinosyl-7-O-α-rhamnoside 266.6, 344.8 sh, 347.2 565 (100) 433 (100) [(M + H)-132]+; 419 (4) [(M + H)-146]+; 287 (23) [(M + H)-132-146]+, [Aglycone + H]+