Fresh cod liver oil will go rancid rapidly. Why? Because cod liver oil contains high levels of long-chain polyunsaturated n-3 fatty acids such as eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA). Cod liver oil made from 100% cod livers from the Northern hemisphere is actually richer in DHA than EPA. EVCLO is completely unprocessed, unheated, and unrefined. However, this also makes it susceptible to lipid oxidation (rancidity).
Fish oils that are in an advanced stage of rancidity will actually.
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Rosita Reveals The
Ancient Norse Way of Producing Cod Liver Oil
On May 19th 2014 Rosita picked a bright day to demonstrate the ancient Norse way of producing cod liver oil. Lots of pictures were taken as well as video (which is available below). Back in the old days, including the days of the Vikings, it was the women that had to do all the fishing to have fresh fish, roe and cod liver oil on the table when their partners were away at sea. Both men and women worked extremely hard, and as a team, to survive. The Rosita team still maintain this tradition.
The ancient Norse Vikings were consumers of liver oils, in particular codfish liver oil, Chimaera monstrosa (ratfish) liver oil, and shark liver oils. Codfish liver oil was used for the maintenance of general health, particularly during the cold months ending in "r". These months are characterised by low sunlight intensity and an increased risk of hypovitaminosis D (vitamin D deficiency). Such a deficiency can have tragic consequences in light of the fact that vitamin D has been shown to play very important roles in brain, heart, immune system and bone health. During the winter months in the northern climes, people are unlikely to be able to synthesise enough vitamin D via ultraviolet-B rays from sunlight striking the skin and triggering vitamin D synthesis. So having a diet that is rich in oily fish, and consuming fish liver oils, would have given the Nordic people a natural supply of this all important vitamin during the winter months.