Norwegian Cod Liver Oil




By Atom Bergstrom

Atom’s Blog

I was asked for some backstory on cod liver oil by a One Radio Network listener.

Here’s how Oleum Morrhuae was prepared a century ago.


Azor Thurston (Pharmaceutical and Food Analysis: A Manual of Standard Methods for the Analysis of Oils, Fats and Waxes, and Substances in which They Exist; Together with Allied Products, 1922) wrote …

“Cod liver oil is prepared by extracting the oil from the livers by heating them in a hot water pan holding about 80 gallons of livers. This pan is placed over another pan or fitted with a double bottom for hot water or steam. The livers are stirred continuously for four hours, the oil being dipped off as fast as it rises to the surface. This method was introduced into Norway in 1853.

“Another method of extracting cod liver oil, which is preferable, is to run steam directly into boilers holding from 50 to 100 gallons of livers, thereby churning the livers and rendering a white, sweet oil in thirty or forty minutes.

“The best grades of cod liver oil are rectified by freezing. This method was kept secret in Norway for a number of years, but finally became known by manufacturers of Newfoundland in 1887. By freezing, the stearin [a glyceryl ester of stearic acid] is settled out and is removed by pressing and filtering through very fine muslim bags. The oil so prepared will remain clear and bright at a very low temperature.”

According to the same source …

“Cod liver oil is a pale yellow, thin, oily liquid, having a peculiar, slightly fishy, but not rancid odor, and a fishy taste. It is soluble in ether, chloroform, carbon disulphide and ethyl acetate. Slightly soluble in alcohol.

“Allen claims that the so-called commercial cod oils are mixtures of oils obtained from all kinds of fish, and usually of a dark brown color, and in advanced states of decomposition. Such oils are obtained not only from the liver of the fish, but also from the entrails.”

According to the same source …

“Cod liver oil should not contain more than a trace of volatile fatty acids and if the Reichert-Meissl value is higher than 0.40 it would indicate that the oil had been obtained from stale livers.”


According to “Reichert value,” Wikipedia (last edited Sept. 25, 2018) …

“The Reichert value [Reichert-Meissl-Wollny value or Reichert-Meissl-Wollny number] is an indicator of how much volatile fatty acid can be extracted from fat through saponification.”

'Norwegian Cod Liver Oil' have 5 comments

  1. February 19, 2019 @ 8:52 pm Atom

    Teaching someone to Body Dowse is as easy as teaching a child to tie their shoelaces.

    It takes two to tango and two to Body Dowse.

    Body Dowsing instructions are laid out in detail in Mind Reading For the Millions, and an instructional video comes with the e-book.

    Self-Body Dowsing is possible, but instead of being as easy as teaching a child to tie their shoelaces, it’s as easy as teaching that same child to pilot a jet plane.


    The Sway Technique is a variety of Muscle Response Testing technique.

    It works by negative muscle action instead of positive muscle action, making it only capable of vague answers and not specific names, dates, and engrams.–e-books.php


  2. February 19, 2019 @ 8:56 pm Atom

    Up to 4 days prior to the full Moon eat Solar …

    Breakfast — Growth Zone 1
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    Dinner — Growth Zone 3

    3, 2, & 1 days prior to the full Moon eat …

    Breakfast — Growth Zone 3
    Lunch — Growth Zone 1
    Dinner — Growth Zone 2

    During the full Moon eat …

    Breakfast — Growth Zone 1, 2, & 3 combined
    Lunch — Growth Zone 1, 2, & 3 combined
    Dinner — Growth Zone 1, 2, & 3 combined

    1, 2, & 3 days after the full Moon eat …

    Breakfast — Growth Zone 2
    Lunch — Growth Zone 3
    Dinner — Growth Zone 1

    Four days after the full Moon resume eating Solar …

    Breakfast — Growth Zone 1
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    Dinner — Growth Zone 3–e-books.php#When-the-Sun-Sneezes


  3. February 19, 2019 @ 8:57 pm Atom

    A Liver Cleanse is ideal during the time span astrologers call Pisces. (Maybe that’s why these same astrologers swear more alcoholics are born under the sign of Pisces than any other sign in the zodiac.)

    Tomato juice and raisins at Small Intestine Time is one of the very best Liver Cleanses other than experiencing a Second Childhood.


  4. February 19, 2019 @ 8:59 pm Atom

    According to Ray Peat (today, 2-19-19) …

    “Even the cold-water fish do better without their PUFA.”


  5. February 19, 2019 @ 9:01 pm Atom

    Adele Davis/Jane Dunlap was a friend and neighbor of Aldous Huxley.


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