Table 7.

Examination of matrix effects by UV and MS for silymarin extracts. Each value represents the percent of the spiked analyte that was observed.^a

Extract		1	2	3	4	5	6	7	8
Madaus	UV	101	101	100	80	101	99	100	100
37501	MS	99	98	93	82	89	86	99	92
Madaus	UV	99	101	100	76	96	94	99	102
286061	MS	97	99	87	94	87	75	99	95
Indena	UV	103	102	105	80	106	106	103	103
27691	MS	99	102	91	98	99	97	100	99
Sigma	UV	103	102	108	78	105	108	104	104
BCBJ0393V	MS	102	100	97	97	99	96	104	100
Sigma	UV	101	100	103	76	102	104	100	101
05503PG	MS	100	98	90	95	94	83	102	94

^aValues close to 100 indicate no matrix effect observed.