Table 1.

Recent publications on LC-MS analysis of flavonoids in plants.

Method	Eluents (v/v)	Sample	Flavonoids	Reference
CEC–UV 337nm	pH 2.8 phosphate buffer at 50 mmol L−1 containing 50% acetonitrile	Chamomilla recutita	11 phenolic compounds including 7 flavonoids	[55]
MEKC–UV 275nm	15 mM borate, 30mM sodium dodecyl sulfate (SDS) and 10% (v/v) ethanol at pH 10.5	Ixeridium gracile	Luteolin 7-O-glucoside, 2′,4′-dihydroxydihydrochalcone, 2′,4′-dihydroxychalcone, 7-hydroxyflavanone and quercetin 3-O-galactoside	[56]
MEKC–UV 214nm	Borate buffer containing SDS at pH 9.0	Various types of wines.	Catechin, naringenin, quercetin, apigenin, kaempferol and myricetin	[57]
MEKC–UV 254nm	50mM borax, 25mM sodium dodecyl sulfate and 30% of acetonitrile(pH 6.75)	Arnica montana L.	7 flavonoids and 4 caffeic acid derivatives	[58]
CE–ED	Borate buffer (pH 9.0)	grapefruit peel and juice	Hesperidin, naringin, hesperedin, narigenin and rutin and ascorbic acid	[59]
CZE-AD	β-CD and the mixture of methanol and ethanol as modifiers	Chrysanthemum	Apigenin, luteolin, kaempferol, quercetin, (+)-catechin and (−)-epicatechin	[60]
CZE–UV 270nm	50mM borate buffer (pH 10.0)	Epimedium	Icariin, epimedin A, epimedin B and epimedin C	[61]
CE–UV 210nm	pH 9.0 with 30mM borate as buffer containing 8% (v/v) acetonitrile	Lamiophlomis rotata	Luteolin-7-O-glucoside, isorhamnetin, apigenin, luteolin and quercetin	[62]
CEC–UV 260nm	10 mM ammonium formate, pH 3.0.	Adinandra nitida	Epicatechin, camellianin A, rhoifolin camellianin B, apigenin.	[63]