Inulae Flos and Its Compounds Inhibit TNF-α- and IFN-γ-Induced Chemokine Production in HaCaT Human Keratinocytes

Table 5

Average contents of the reference compounds in the solvent fractions of the 70% MeOH extract (𝑛=3).

Compound	Average content in each solvent fraction (mg/g)^a
	n-Hexane	Chloroform	Ethyl acetate	Butanol	Water
Chlorogenic acid	ND	ND	2.47 ± 0.04	16.77 ± 0.21	2.05 ± 0.06
Caffeic acid	ND	0.12 ± 0.00	14.06 ± 0.10	1.34 ± 0.02	0.22 ± 0.00
1,5-Dicaffeoylquinic acid	ND	4.57 ± 0.02	248.79 ± 2.62	41.09 ± 0.39	4.43 ± 0.01
Rutin	0.28 ± 0.01	0.32 ± 0.03	56.00 ± 0.02	5.73 ± 0.14	ND
Kaempferol-3-O-glucoside	ND	ND	3.67 ± 0.22	0.20 ± 0.03	ND
Quercetin	ND	ND	23.02 ± 0.24	0.94 ± 0.02	ND
Luteolin	ND	ND	12.88 ± 0.22	ND	ND
6-Methoxy-luteolin	ND	1.33 ± 0.04	15.39 ± 0.16	ND	ND

ND: not detected.
^aAverage content represented as mean ± SD.