Table 2.

Masses, retention times, and annotations of labeled-compounds.

Study	Retention time	m/z	Adduct	Neutral mass	Identification
Broccoli Urine	23	426.1023	[M-H + FA]-	381.105	Predicted: Glucuronidated Compound
		404.0952	[M + Na]+
	21.18	366.0817	[M-H]-	367.0892	Predicted: indole-3-acetic acid-N-O-glucuronide
		390.0787	[M + Na]+
	20.7	510.1234	[M-H]-	511.1314	Predicted: Glucuronidated Compound
		512.1394	[M + H]+
Collard Greens Urine	20	225.0765	[M-H]-	226.0835	Predicted: Dihydrosinapic Acid
		227.0907	[M + H]+
		249.0727	[M + Na]+
	21.17	304.2494	[M +?]+		Predicted: No MS/MS Captured
	17.79	250.0728	[M +?]-		Predicted: N-Acyl-Alpha Amino Acids
	15.91	251.0138	[M +?]-		Predicted: Aminopyrimidines
	18.97	289.0394	[M +?]-		Predicted: Sulfuric Acid Monoesters
Collard Greens Plasma	6.36	130.0867	[M-H]+	131.0939	Isoleucine
		132.1011	[M + H]+
	24.8	311.2229	[M-H]+	312.2291	Predicted: Linoleic Acids and Derivatives
		295.2247	[M + H-H2O]+
	24.8	313.2372	[M-H]+	314.2426	No MS/MS Captured
		297.2375	[M + H-H2O]+
	24.8	333.2044	[M-H]-	334.2113	Predicted: Alkaloids
		335.2181	[M + H]+
	24.8	335.2199	[M-H]-	336.2254	No MS/MS Captured
		403.2071	[M-H + HCOONa]-
		337.2327	[M + H]+