| Qingdao Pengyuan Natural Pigment Research Institute |
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It is a kind of natural edible pigment extracted from plants rich in chlorophyll. The main compositions are disodium copper chlorophyll and trisodium copper chlorophyll. The powder from Kelly to darkslategray is soluble in water, but insoluble in oil. At PH 7.0 or above, it is green and stable.it can be used in the coloring of medicine, foodstuff and daily-used chemicals.
[Quality Standard]
Quality Standard Powder
Content 100
Extinction Ratio 3.2-4.0
PH 9.0-10.7
Drying Loss ¡Ü 4%
Total Copper ¡Ü 6%
Ionic Copper ¡Ü 25%
Lead(Pb) ¡Ü 5mg/kg
Arsenic(As) ¡Ü 2mg/kg
Heavy metal ¡Ü 5mg/kg
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