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Mothed of Analysis of Curcumin


Content of curcumin
Accurately weigh turmeric oleoresin sample, soluble in ethanol and is set to 100 ml volumetric flask, then the liquid be diluted 100times, theaborbance of a dilution in ethanol is measured at 420nm in a 1cm cuvette usingethanol as reference.
A * 100
E1% 1cm 425nm
= ────
M: sample weigh

UV Content =E1% 1cm 425nm/1607
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