Table 2.

Quantification of the benzoxazinoids and verbascoside in the extracts by HPLC–PDA.

No.	Compounds	EEt	EI	ED
		g of Compound/100 g of Extract 1
1	DIBOA	4.77 ± 0.11	2.18 ± 0.04	<LOQ
2	HBOA	0.78 ± 0.10	0.41 ± 0.04	0.64 ± 0.04
5	β-OH-verbascoside	<LOD	<LOQ	<LOQ
6	β-OH-verbascoside	<LOD	0.42 ± 0.05	<LOQ
8	Verbascoside	1.02 ± 0.13	0.61 ± 0.05	0.77 ± 0.05
9	Luteolin di-glucuronide	---	<LOQ	<LOQ
10	β-EtOH-verbascoside isomer	<LOQ	---	---
11	β-EtOH-verbascoside isomer	<LOQ	---	---
12	Hispidulin di-glucuronide	---	---	<LOQ
13	Verbascoside isomer	<LOD	<LOQ	<LOQ
14	Hispidulin glucuronide	<LOQ	0.52 ± 0.02	0.30 ± 0.02

¹ Values are the mean ± standard deviation of three replicates; LOD (limit of detection); LOQ (limit of quantification); EEt—ethanol extract; EI—infusion; ED—decoction.