Table 1.

Content of active compounds measured in the Lomatogonium rotatum extract

Active compound	Regression equation	R2	Linear range, μg	LR extract, mg/g dry mater
Swertiamarin	Y = 99.413X + 6.3517	1	1.953-9.826	91.10
Sweroside	Y = 198.81X + 0.8476	1	0.431-2.154	6.09
Hesperetin	Y = 437.89X + 0.0685	1	0.119-1.002	7.65
Coumarin	Y = 365.15X + 0.0103	1	0.118-0.590	3.04
1.7-dihydroxy-3.8-dimethoxyxanthone	Y = 214.16X + 2.3704	0.9999	0.098-0.494	29.28
1-hydroxy-2,3,5 trimethoxanthone	Y = 90.498X + 7.1204	0.9999	2.026-10.305	3.70

LR: Lomatogonium rotatum.