Evidence-Based Complementary and Alternative Medicine

Research Article

Larvicidal Activity against Aedes aegypti and Chemical Characterization of the Inflorescences of Tagetes patula

Table 2

Identification of the constituents from Tagetes patula by LC-DAD-MS.


Peak	RT (min)	Compound	UV (nm)	MF	Negative mode ()		Positive mode ()
Peak	RT (min)	Compound	UV (nm)	MF	MS	MS/MS	MS	MS/MS

(1)	10.6	NI	274
(2)	15.0	Quercetagetin O-hexoside	270, 355	C₂₁H₂₀O₁₃	479.0822	317, 195, 167	481.0969	319, 273, 199, 181, 169
(3)	15.5	Ellagic acid	290, 360	C₁₄H₆O₈	300.9990	284, 245, 229	303.0117	285, 275, 257, 247
(4)	18.5	Patulitrin	257, 369	C₂₂H₂₂O₁₃	493.0978	331, 316, 287, 271, 181, 166	495.1142	333, 318, 301, 273
(5)	18.8	Patulitrin isomer	260, 351	C₂₂H₂₂O₁₃	493.0975	330, 315, 287	495.1106	333, 318
(6)	21.2	Isorhamnetin O-hexoside	270, 360	C₂₂H₂₂O₁₂	477.1041	314, 299, 271, 181, 166	479.1203	317, 302
(7)	25.2	Kaempferol	267, 345	C₁₅H₁₀O₆	285.0391	175	287.0547	241, 161, 153
(8)	25.5	Patuletin	257, 369	C₁₆H₁₂O₈	331.0462	316, 287, 271, 181, 166	333.0613	318, 290, 273
(9)	29.5	O-Methyl kaempferol	270, 355	C₁₆H₁₂O₇	315.0502	300, 271, 255, 243, 166	317.0655	302, 274, 257, 245, 169
(10)	29.9	Tricoumaroyl spermidine	299, 310	C₃₄H₃₇N₃O₆	582.2591	—	584.2775	438, 420, 292, 275, 218, 204, 146
(11)	31.2	Coumaroyl spermidine derivative	296, 306	C₄₁H₅₀N₆O₁₀	785.3517	—	787.3690	641, 623, 495, 477, 275, 204

RT: retention time; MF: molecular formula; error lower than 8 ppm; confirmed by authentic standard.