Phospholipids are one of the major bioactive ingredients of Antarctic krill Euphausea superba. A feasible and effective extraction method of Antarctic
krill oil was investigated and modified by orthogonal test which the ratio of
solid to liquid was 1:2.5, extraction time was 5 min, ratio of ethyl acetate (EA)
and n-butanol (BuOH) was 1:1. With this method, the extract of krill oil has a
higher phospholipids content of 27.7% - 42.3%, together with total oil yields
of 4.15% - 6.18%.
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