Lipid Extraction with Electrolyzed Cathode Water from Marine Products
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概要
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Edible (muscle with skin) and non-edible (viscera, head and bone) parts of fish were homogenized with chloroform/methanol (2:1, v/v) according to the method of Bligh & Dyer to extract lipids. These fish products were also homogenized with distilled water (DW), NaCl solution and electrolyzed cathode water (EW(-)). The aqueous homogenate was centrifuged and filtered, and then the lipids in the aqueous filtrate were recovered by hexane extraction. The content of lipid obtained by the Bligh & Dyer method from edible and non-edible parts of saury was higher than those by extractions with DW and NaCl solution. On the other hand, EW(-) extraction showed higher lipid content than the Bligh & Dyer method in this case. Nevertheless, the lipid extraction ability of EW(-) was decreased when exposed to air for 7 days, showing that high pH and/or high dissolved hydrogen may be responsible for the effect of EW(-). The present study also showed the ability of EW(-) in effective lipid extraction from other kinds of fish products such as edible and non-edible parts of mackerel, sardines, tuna orbital and trout eggs.
- 2003-01-01
著者
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Miyashita Kazuo
Laboratory Of Biofunctional Material Chemistry Division Of Marine Bioresources Graduate School Of Fi
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TOGE Yuriko
Laboratory of Biofunctional Material Chemistry, Division of Marine Bioresources, Graduate School of
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Toge Yuriko
Laboratory Of Biofunctional Material Chemistry Division Of Marine Bioresources Graduate School Of Fi
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Miyasita Kazuo
Laboratory of Biofunctional Material Chemistry, Division of Marine Bioresources, Graduate School of Fisheries Sciences, Hokkaido University
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