Table 6.

Summary of compounds identified in three legume varieties via LC-MSⁿ analysis.

	Compounds	Monoisotopic mass	Lentil	Black soybean	Black turtle bean
Phenolic acids	Gallic acid	170.0215			x
	Protocatechuic acid	154.0266	x	x
	P-Hydroxybenzoic acid	138.0316	x	x
	p-Coumaric acid	164.0473	x	x
	2-Hydroxycinnamic acid	164.0473	#	#
	3-Hydroxycinnamic acid	164.0473	#	#
	Vanillic acid	168.0422	x	x
	Caffeic acid	180.0422	x	x
	Ferulic acid	194.0579	x	x	x
	Syringaldehyde	182.0579	x		x
	Trans-cinnamic acid	148.0524			x
	Sinapic acid	224.0684	x	x	x
Flavonoids	Kaempferol	286.0477	x	*	x
	Epicatechin	290.0790	x	x	x
	Cyanidin	287.0550	*	*
	Kaempferol 3-	432.1056	*	*
	rhamnoside
	Kaempferol-3-O-rutinoside	594.1585	x	x	x
	Luteolin 7-glucoside	448.1006	*	*	*
	Kaempferol-3-O-glucoside	448.1005	x	x	x
	Kaempferol 3-(6 -malonylglucoside)	534.1010	x	x
	Quercetin-3-O-glucopyranoside	464.0950		x	x
	Myricetin	464.0950			x
	Apigenin	270.0528	x	x
	Pelargonidin	270.0528		*
	Genistein	270.0528		x
	Glycitein	284.0685		x
	Genistin	432.1057		x
Condensed tannins	Procyanidin B1	578.1425			x
	Procyanidin B2	578.1425		x
	Procyanidin C1	866.2058	x	x
Other compounds	Riboflavin	376.1383	x
	Indole-3-acrylic acid	187.0633			x
	Carvone	150.1045		x
	Indole-3-acrylic acid	187.0633		x
	N,N′-Dicyclohexylurea	224.1886	x	x
	Adenosine	267.0968		x
	3-Nitro-2-6-dipiperidinopyridine	290.1743			x
	Dioctyl phthalate	390.2770	x

X indicates confident identification via matching mass spectra of analytes to spectra of standards in the in-house, or on-line database (see text for details).

^#Indicates compounds that are indistinguishable via mass spectra matching.

^*Indicates tentative identification based only on matching of monoisotopic masses.