LIPID COMPOSITIONS
The present invention provides improved processes for extracting and preparing lipids from biological sources for use in pharmaceuticals, nutraceuticals and functional foods.
1 . A desalted krill lipid composition comprising:
from about 30% to 50% w/w phospholipids w/w;
from about 32% to 52% w/w triglycerides;
and wherein the composition has one or more of the following properties:
a) the composition comprises from about 3% w/w to 13% w/w free fatty acids;
b) the composition comprises from about 0.5% w/w to 5% w/w lysophospholipids
c) the composition comprises less than about 1.0% w/w inorganic salts;
d) the composition comprises less than about 5 mg N/100 g;
e) the composition comprises less than about 10 ppm Cu ++ ;
f) the composition comprises less than about 10 ppm total arsenic;
g) the composition comprises from about 0.01% to about 1% w/w ethyl esters; h) the composition is characterized in having a conductivity of less than about 20 μS/cm when measured with 5% dry matter in 95% ethanol;
i) the composition is characterized in having a viscosity of from about 100 to 400 mPas at 25° C.; or
j) the composition comprises from about 20 ppm to about 2000 astaxanthin esters.
2 . The composition of claim 1 , having 2 or more of properties (a) to (j).
3 . The composition of claim 2 , having 3 or more of properties (a) to (j).
4 . The composition of claim 3 , having 4 or more of properties (a) to (j).
5 . The composition of claim 4 , having 5 or more of properties (a) to (j).
6 . The composition of claim 5 , having 6 or more of properties (a) to (j).
7 . The composition of claim 6 , having 7 or more of properties (a) to (j).
8 . The composition of claim 7 , having 8 or more of properties (a) to (j).
9 . The composition of claim 8 , having 9 or more of properties (a) to (j).
10 . The composition of claim 9 , having all of properties (a) to (j).
11 . The composition of claim 1 , having at least properties (c) and (i).
12 . The composition of claim 11 , having at least property (h).
13 . The composition of claim 12 , having at least properties (e) and (f).
14 . The composition of claim 13 , having at least property (d).
15 . The composition of claim 1 , having at least properties (c), (d), (e), (f), (h) and (i).