Table 2.

Qualitative profile of flavonoid compounds in guishe ethanolic extract. Experimental m/z and major fragments were obtained by HPLC-MS analysis in negative polarity ([M − H]⁻).

Compounds 1	m/z ([M − H]− Fragments)	Matehuala	Cosme	Tuxtepec
Apigenin	268.9 (203.9)	+	+	+
Apigenin 7-O-glycoside	431.1 (268.9; 203.9)	+	+	+
Apigenin 7-O-rutinoside	578.5 (268.9)	+	+	+
Catechin	288.9	+	+	+
Cyanidin	287.1	−	+	+
Cyanidin 3-O-glycoside	478.4 (287.1)	−	+	+
Cyanidin O-diglycoside	609.2 (449.3; 287.1)	+	+	+
Delphinidin	319.1	−	+	+
Delphinidin 3-O-glycoside	465.4 (319.0)	−	+	+
Flavanone	223.1	+	+	+
Hesperidin	610.2	+	+	+
Isorhamnetin	316.1	+	+	+
Isorhamnetin-glycoside	478.4 (272.1)	+	+	+
Isorhamnetin 3-O-rutinoside	622.3 (146.1)	+	+	+
Isorhamnetin diglycoside 1	579.4 (316.1; 272.1)	−	+	+
Isorhamnetin diglycoside 2	609.2 (449.1; 272.1; 146.1)	+	+	+
Isorhamnetin triglycoside 1	756.5 (162.8; 146.1)	−	+	+
Isorhamnetin triglycoside 2	801.6 (316.1)	+	−	+
Kaempferol	285.1 (153.0; 107.0)	+	+	+
Kaempoferol 3-O-glycoside	431.1	+	+	+
Kaempferol 3-O-rutinoside	593.4 (285.1; 431.1)	+	+	+
Kaempoferol diglycoside	595.1 (285.1)	+	+	+
Kaempoferol triglycoside	772.5 (285.0)	+	+	+
Myricetin	317.0	+	+	+
Myricetin 3-O-glycoside	463.1 (317.0; 179.1)	+	-	+
Myricetin diglycoside	625.2 (317.0)	+	+	+
Naringenin	270.9	+	+	+
Naringenin O-rutinoside	579.5 (270.9)	+	+	+
Quercetin		+	+	+
Quercetin-3-O-xyloside	433.2 (300.9; 179.1)	+	+	+
Quercetin 3-O-glycoside 1	447.1 (301.0; 146.1)	+	+	+
Quercetin 3-O-glycoside 2	463.1 (301.0; 177.0)	−	+	+
Quercetin 3-O-rutinoside	609.2 (300.9; 463.1; 146.1)	+	+	+
Quercetin 3-O-diglycoside 1	595.1 (300.9; 447.1)	+	+	+
Quercetin 3-O-diglycoside 2	595.1 (300.9; 463.1)	−	+	+

¹ Compounds identified by Morreeuw et al. (2021).