Metabolic profile and transcriptome reveal the mystery of petal blotch formation in rose

BMC Plant Biology

Table 1 Identification of flavonoids

Peak no.	Retention time (min)	λ_vis-max (nm)	λ_vis-acyl (nm)	ESI⁻MS⁻(*m/z*)	Aglycone	Main identified molecule	References	Standard
a1	15.708	511	277	611, 449, 287	Cyanidin	Cyanidin 3,5-O-diglucoside	/	Cyanidin 3,5-O-diglucoside
f1	28.061	328	257	433, 301	Quercetin	Quercetin 3-O-α-L-arabinofuranoside	[39, 41, 49]	/
f2	29.021	340	257	593, 431, 285	Kaempferol	Kaempferol 3-O-rhamnosyl-7-O-glucoside	[38]	Kaempferol 3-O-rhamnoside-7-O-glucoside
f3	29.984	359	254	609, 447, 301	Quercetin	Quercetin 3-O-rutinoside	[38]	Quercetin 3-O-rutinoside
f4	30.328	347	265	447, 285	Kaempferol	Kaempferol 3-O-glucoside	[38, 41]	Kaempferol 3-O-glucoside
f5	30.816	347	256	447, 301	Quercetin	Quercetin 3-O-rhamnoside	[49]	Quercetin 3-O-rhamnoside
f6	31.118	360	257	463, 301	Quercetin	Quercetin 3-O-galactoside	[38, 41, 49]	Quercetin 3-O-galactoside
f7	31.621	347	257	599, 447, 285	Kaempferol	Kaempferol 3-O-(galloyl)-glucuronide or kaempferol 7-O-(galloyl)-glucuronide	[42]	/
f8	32.164	359	265	447, 285	Kaempferol	Kaempferol 7-O-glucoside	[38, 41]	Kaempferol 7-O-glucoside
f9	33.168	347	265	417, 285	Kaempferol	Kaempferol 3-O-arabinoside	[39, 49]	Kaempferol 3-O-arabinoside
f10	33.734	304	265	431, 285	Kaempferol	Kaempferol 3-O-α-D-rhamnoside	[38, 39, 41, 49]	Kaempferol 3-O-α-D-rhamnoside
f11	46.593	/	/	285	Kaempferol	Kaempferol	[42]	Kaempferol

ISSN: 1471-2229