Table 2.

Flavonols identified from Myrcia sp. leaves extracts.

Formula [M − H]−	Theoretical Mass [M − H] m/z	Experimental Mass [M − H]− m/z	∆m (ppm)	MS/MS Fragments m/z	Compound Identification	Myrcia Species
C15H9O7	301.0348	301.0348	0.01	257, 179, 151	quercetin	Mf Mb
C15H9O8	317.0303	317.0304	−0.32	299, 179, 151, 137, 107	myricetin	Mb Mg Mf
C20H17O11	433.0768	433.0765	0.69	300, 271, 151,	quercetin–3-O-β-d-xylopyranoside	Mf Mb
C21H19O11	447.0927	447.0932	−0.28	316, 287, 271, 179	quercetin-3-O-β-rhamnoside	Mf Mg Mb
C20H17O12	449.0718	449.0720	−1.12	316, 271,179	myricetin-3-O-arabinoside	Mf Mg
C21H19O12	463.0877	463.0880	−0.65	317, 271, 179	myricetin-3-O-rhamnoside	Mf Mb Mg
C21H19O13	479.0821	479.0821	0.01	316, 271, 179, 151	myricetin-3-O-β-glucoside	Mf Mg
C27H21O15	585.0886	585.0877	1.54	433, 301, 191	Quercetin-O-(O-galloyl)pentoside	Mf Mb
C27H21O16	601.0835	601.0823	2.00	449, 316, 271, 179	Myricetin-O-(O-galloyl)arabinoside	Mf Mb
C28H23O16	615.0947	615.0981	0.98	463, 317, 301, 179, 151	myricetin rhamnopyranoside	Mf Mb Mg
C28H23O17	631.0930	631.0928	0.32	479, 316, 191, 169, 151	Myricetin galloyl galactoside	Mf Mg
C28H31O17	639.1567	639.1553	2.19	447, 300, 191	quercetin-3-O-galloyldeoxipentose	Mb
C28H31O18	655.1516	655.1510	0.92	463, 316, 191	myricetin galloyl rhamnopyranoside	Mb Mf Mg