Ionic liquid and method for extracting codfish roe protein by utilizing same
A technology of ionic liquid and cod roe, which is applied in separation methods, peptide preparation methods, solid solvent extraction, etc., can solve the problems of protein variability and inactivation, poor protein stability, and low extraction efficiency, achieving efficient extraction and easy extraction. The effect of storage, good extraction effect
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[0032]Example 1: Preparation of ionic liquid and method for extracting cod roe protein by using it
[0033]An ionic liquid is mainly prepared from the following raw material components: L-carnitine and tartaric acid are stirred and rotated at a molar ratio of 1:1.
[0034]The method for extracting cod roe protein using the above ionic liquid includes the following steps:
[0035]Mix 10g of cod fish roe with 30g of the above-mentioned ionic liquid to pre-freeze and thaw. The pre-freezing temperature is -20°C and the thawing temperature is 25°C. The pre-freezing and thawing process is repeated 6 times. The thawed mixture Break the wall, stir at 6000r / min for 15min, and then centrifuge at 10000r / min for 15min, take the supernatant and filter, and take the filtrate. The resulting filtrate contains cod roe protein. Store at 20°C to 4°C.
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[0036]Example 2: Preparation of ionic liquid and method for extracting cod roe protein by using it
[0037]An ionic liquid is mainly prepared from the following raw material components: matrine and salicylic acid are stirred and rotated at a molar ratio of 5:1.
[0038]The method for extracting cod roe protein by using the above ionic liquid includes the following steps:
[0039]Mix 15g of cod fish roe with 60g of the above ionic liquid, pre-freeze and thaw, the pre-freezing temperature is -80℃, the thawing temperature is 25℃, the pre-freezing and thawing process is repeated 8 times, the thawed mixture Break the wall, stir at 5000r / min for 10min, then centrifuge at 12000r / min for 20min, take the supernatant and filter, take the filtrate, and the resulting filtrate contains cod roe protein. Store at 20°C to 4°C.
Example Embodiment
[0040]Example 3: Preparation of ionic liquid and method for extracting cod roe protein by using it
[0041]An ionic liquid is prepared mainly from the following raw material components: theophylline and succinic acid are stirred and rotationally mixed in a molar ratio of 10:1.
[0042]The method for extracting cod roe protein by using the above ionic liquid includes the following steps:
[0043]Mix 30g of cod fish roe with 130g of the above-mentioned ionic liquid aqueous solution (the mass concentration of the ionic liquid in the ionic liquid aqueous solution is 70%), and pre-freeze and thaw. The pre-freezing temperature is -15°C and the thawing temperature is 25°C , The process of pre-freezing and thawing is repeated 12 times, the thawed mixture is broken, stirred at a speed of 6000r / min for 40min, and then centrifuged at a speed of 10000r / min for 20min, and the supernatant is filtered. Just take the filtrate, and the obtained filtrate contains cod roe protein and is stored at -20°C to 4°C....
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