ABTS solution prepared by mixing the solution cation radical ABTS 14 mM 5 ml and
4.9 mM potassium persulfate (K2S2O8) 5 ml mix to. The legs, even with to, leave this tower Whitton temperature, in the dark for
.16 hours before the ABTS to dilute solution with ethanol to the absorption of light in the wavelength convert
0.700 0.020 734 nm. Then the pipette solution ABTS 950 UL mix กบั
.Extract sample or standard compounds 50 UL by ใชน้ Yar dgree กลนั. A Blank mixture set left in this dark time
6 minutes. Then the measured absorbance at the wavelength 734 nm. Using
.BHT Trolox and as a control, and then calculate the ability of antioxidant activity (%)
.
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