Table 2.

Ellagitannins (ETs) identified in strawberry fruit extract using LC–ESI–MS and MS/MS analyses.

Molecular species	RT (min)	Detected m/z, [M–H]–	Error (ppm)	Fragment ions for assignment (m/z)
Strictinin	5.4	633.0765	+5.1	481.0627, 463.0477, 300.9995, 275.0190
Pedunculagin or its isomers	3.6 4.7	783.0629 783.0629	−7.3 −7.3	481.0627, 300.9995, 275.0190 481.0550, 300.9995, 275.0190
Casuarictin	6.8	935.0822	+2.8	783.0728, 633.0765, 481.0550, 463.0553, 300.9995, 275.0190
Unknown ET or its isomers	8.3 8.4 9.5	1085.0743 1085.0743 1085.0743	−0.6 −0.6 −0.6	783.0728, 633.0765, 450.9969 300.9995 783.0728, 631.0582, 450.9895, 300.9995 783.0728, 633.0765, 450.9969, 300.9995
Davuriicin M1, or its isomer	6.7	1235.0692	−0.8	933.0591, 631.0582, 469.0069, 314.9822, 300.9995, 298.9870

RT: retention time.

Pedunculagin and davuriicin M₁ were tentatively identified.