초임계 이산화탄소를 이용하여 멸치(Engraulis japonicus)로부터 회수된 고농축 단백질의 특성
Characterization of Concentrated Proteins Recovered from Anchovy Engraulis japonicus using Supercritical Carbon Dioxide
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초록
Supercritical carbon dioxide (SCO2) extraction was used to recover concentrated proteins and to remove lipids and odor causing compounds from anchovy. Engraulis japonicus SCO2 was used as the solvent for extraction, which was performed in a semi-batch flow reactor. The experimental conditions used were pressure, 15-25 MPa; temperature, 40-60℃ and sample size, 500 μm. The proteins obtained under these conditions performed well in a sensory evaluation;moreover, effective lipids and odor removal was achieved. The stability and characteristics of the proteins recovered with different solvents were also evaluated. The samples were sterilized by processing with SCO2. Escherichia coli was not detected after storage for several days. The sensory characteristics were found to be superior to those of a sample produced by hexane extraction. Thus, the protein concentrate was obtained at 60℃ and 25 MPa was deemed valuable as a foodstuff.
Abstract
Supercritical carbon dioxide (SCO2) extraction was used to recover concentrated proteins and to remove lipids and odor causing compounds from anchovy. Engraulis japonicus SCO2 was used as the solvent for extraction, which was performed in a semi-batch flow reactor. The experimental conditions used were pressure, 15-25 MPa; temperature, 40-60℃ and sample size, 500 μm. The proteins obtained under these conditions performed well in a sensory evaluation;moreover, effective lipids and odor removal was achieved. The stability and characteristics of the proteins recovered with different solvents were also evaluated. The samples were sterilized by processing with SCO2. Escherichia coli was not detected after storage for several days. The sensory characteristics were found to be superior to those of a sample produced by hexane extraction. Thus, the protein concentrate was obtained at 60℃ and 25 MPa was deemed valuable as a foodstuff.
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