Table 3.

Method accuracy with spiked alkaloids into the tomato leaf matrix (n = 3).

Analyte	Spiked Concentration	Recovery	CV
	(ng/mL)	%	%
(R)-nicotine	944.6	104.6	2.4
	1889.2	107.4	1.3
	3778.4	103.9	0.5
(S)-nicotine	944.6	108.8	3.3
	1889.2	106.2	0.7
	3778.4	104.9	1.9
(R)-nornicotine	428.8	114.5	3.7
	857.6	115.7	0.2
	1715.2	113.2	2.6
(S)-nornicotine	428.8	112.8	2.0
	857.6	113.4	1.1
	1715.2	109.0	1.1
(R)-anatabine	422.0	103.4	2.9
	844.0	104.8	1.4
	1688.0	102.7	0.4
(S)-anatabine	422.0	102.6	1.7
	844.0	103.4	1.3
	1688.0	101.9	0.7
(R)-anabasine	213.6	101.4	3.6
	427.2	104.0	1.0
	854.4	102.9	1.8
(S)-anabasine	213.6	107.2	3.5
	427.2	108.9	1.0
	854.4	107.3	1.8