Method for extracting astaxanthin
The invention discloses a method for extracting astaxanthin, which includes the steps of firstly extracting in low-concentration ethanol liquor under the heating and stirring conditions, removing water-soluble compounds harmful to fish or other animals by means of filtering, then extracting from fil...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention discloses a method for extracting astaxanthin, which includes the steps of firstly extracting in low-concentration ethanol liquor under the heating and stirring conditions, removing water-soluble compounds harmful to fish or other animals by means of filtering, then extracting from filter residues with mixed solvent consisting of dichloromethane and hexane, and obtaining astaxanthin extract containing about 7% of astaxanthin after distilling extract liquor. The method is simple in process, mild in reacting condition and easy to realize industrialized production. The astaxanthin produced by the method can be used for industries such as feed, food, cosmetics, drugs and the like. |
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