Method for removing peculiar smell of red cabbage
A technology of red pigment and cabbage, which is applied in the field of natural pigment refining, can solve the problems of large odor of cabbage red pigment, insufficient removal of impurities, no enzyme inactivation, etc., and achieves good water solubility, remarkable odor removal effect, and low process cost Effect
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Embodiment 1
[0008] Example 1: Take 20.0L of liquid cabbage red pigment with peculiar smell as raw material, add 40L of butane solvent, add 0.1L of ether, keep stirring at 80rpm for 30min, mix well, raise the temperature to 35°C and keep it, let it stand for extraction for 1 hour . Under airtight conditions, the temperature was kept at 40°C to recover the solvent and remove the solvent residue to obtain 19.83L of liquid cabbage red pigment with no peculiar smell and good water solubility. After the product is sterilized, it can be spray-dried to obtain powdered cabbage red pigment, and the product has no peculiar smell.
Embodiment 2
[0009] Example 2: Use 20.0L of liquid cabbage red pigment with peculiar smell as raw material, add 60L of butane solvent, add 0.05L of ether, keep stirring at 80rpm for 40min, mix well, raise the temperature to 35°C and keep it, let stand for extraction for 1 hour . Under airtight conditions, the temperature was kept at 40°C to recover the solvent and remove the solvent residue to obtain 19.66L of liquid cabbage red pigment with no peculiar smell and good water solubility. After the product is sterilized, it can be spray-dried to obtain powdered cabbage red pigment, and the product has no peculiar smell.
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