Evidence-Based Complementary and Alternative Medicine / 2012 / Article / Tab 1

Research Article

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

Table 1

Linear regression, correlation coefficients ( ), LOD, and LOQ for the reference compounds ( ).

CompoundRegression equationCorrelation coefficient ( )Linear range (μg/mL)LOD (μg/mL)LOQ (μg/mL)

Chlorogenic acid = 32900x – 113170.99971.56–500.03 0.09
Caffeic acid = 52440x – 4993.70.99990.63–200.02 0.06
1,5-Dicaffeoylquinic acid = 27029x – 1156130.999612.50–2000.13 0.43
Rutin = 18447x – 3067.70.99991.56–500.05 0.16
Kaempferol-3-O-glucoside = 21596x – 1615.60.99980.31–50.06 0.20
Quercetin = 28313x – 107290.99950.63–200.05 0.15
Luteolin = 39978x – 133990.99980.78–250.03 0.10
6-Methoxy-luteolin = 27712x – 106380.99960.78–250.04 0.13

LOD: limit of detection; LOQ: limit of quantification; : peak area (mAU); x: concentration of compound (μg/mL).

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