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 100 times, the aborbance of a dilution in ethanol is measured at 420nm in a 1cm cuvette using ethanol as reference.
A * 100
E1% 1cm 425nm = ────
M
A: sample spectrophotometry
M: sample weigh

UV Content =E1% 1cm 425nm/1607

Berberine,

Rutin,

Ginseng leaf & stem p.e. ,

Ginseng root p.e.

Ginseng flower p.e.

Green Tea P.e.,

5-HTP,

herbal extract,

plant extract,

grape seed extract,

blackcurrant extract,

Monkfruit extract

stevia extract

Ginger root extract

Curcumin

Low pesticide residue

low solvent residue

low heavy metal

non-irradiation

non-GMO

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Ginseng leaf p.e. ,Green Tea P.e., herbal extract, plant extract

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