In Vitro Antimicrobial and Modulatory Activity of the Natural Products Silymarin and Silibinin

Table 2

Composition of Silymarin extract.

Compounds	Silymarin	LOD	LOQ
	mg/g	g/mL	g/mL
Gallic acid	2.16 ± 0.01^a	0.009	0.029
Caffeic acid	5.09 ± 0.03^b	0.032	0.105
Silybin A	12.75 ± 0.01^c	0.011	0.034
Silybin B	15.93 ± 0.03^d	0.027	0.89

Results are expressed as mean ± standard deviations (SD) of three determinations.
Averages followed by different letters differ by Tukey’s test at .