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Fig. 1 | BMC Research Notes

Fig. 1

From: The hepatoprotective effects of Pyrus biossieriana buhse leaf extract on tert-butyl hydroperoxide toxicity in HepG2 cell line

Fig. 1

a Calibration curve for arbutin over the known concentration range (r = 0.99), b HPLC for standard arbutin (2500 mg/L) using a Eurospher C-18 column (4.6 × 250 mm), mobile phase (methanol/water 50/50; flow rate: 0.7 mL/min) detected in 286 nm wavelength, c HPLC to detect arbutin in extract, using the same kind of Eurospher column and detected it in 286 nm, d HPLC for arbutin in extract and hydroquinone (as internal standard), in similar mobile phase, flow rate, and detection wavelength, e standard cure for phenols was drown using gallic acid

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