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Krill oil is obtained from krill which are small, pelagic, shrimp-like crustaceans of the family
Euphausiidae. Krill oil is a reddish, opaque, lipid extract of marine krill (Euphasia
superba). The major components of krill oil are triglycerides and phospholipids, and
include the fatty acids eicosapentaenoic acid (EPA, C20:5 n–3), docosahexeanoic acid
(DHA, C22:6 n–3), and cis-11-octadecenoic acid (vaccenic acid, C18:1 n–7). The
combined concentration of EPA and DHA in krill oil is approximately 26 percent, with a
ratio of EPA to DHA of approximately 2:1. Krill oil also contains naturally-occurring
Frozen Antarctic krill are crushed and the lipids and proteins are extracted using acetone.
Following extraction, the krill proteins and lipids are filtered through an organic solvent-
resistant filter under reduced pressure to enable physical separation of lipids and
proteins. Excess acetone is evaporated and water is separated from the oil. The oil is
subjected to additional filtration and purification to remove impurities and is packaged in
a modified nitrogen-containing atmosphere and stored.
The mean EDI is 3.1 to 4.1 grams per person per day (g/p/d) and the 90th percentile EDI
(mean multiplied by two) as 6.2 to 8.3 g/p/d. The manufacturer notes that at a combined
level of 26 percent of total EPA and DHA, the maximum daily consumption of EPA and
DHA would be 2.2 g/p/d.
GRAS Notice No. GRN 000242
SOURCE: FDA website 2010