Chlorophyll Removal From Edible Oils

@inproceedings{Diosady2005ChlorophyllRF,
  title={Chlorophyll Removal From Edible Oils},
  author={Levente L. Diosady},
  year={2005}
}
The chlorophyll content of canola oil, especially when extracted from frost-damaged seed is high, and results in dull, dark brown oil unless very large quantities of bleaching clay are used. We found that treatment with phosphoric acid, under vacuum in the absence of moisture precipitates most of the chlorophyll. At 140°C 2400 mg/L phosphoric acid precipitated 98 % of the chlorophyll in canola oil after 15 minutes of gentle stirring under vacuum of ~ 30 mmHg (4kPa). Chlorophyll levels were… CONTINUE READING

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