Browsing Fiskeridirektoratets skrifter. Serie Teknologiske undersøkelser by Title
Now showing items 25-44 of 68
-
Lipids in Fish Fillet and Liver - A Comparison of Fatty Acid Compositions
(Fiskeridirektoratets skrifter / Serie Teknologiske undersøkelser;Vol. 5, No. 6, Research report, 1972)1. "Non-polar" (triglyceride and steryl esters) and "polar" (phospholipids) lipid fractions were prepared from liver and fillet tissues from four fish species. The four species - catfish, plaice, redfish and wrasse - were ... -
Luftfrysing av sild. Undersøkelse av nødvendig frysetid
(Fiskeridirektoratets skrifter / Serie Teknologiske undersøkelser;Vol. 3, No. 9, Research report, 1958)The purpose of this work is to provide more accurate data for the calculation and design of air blast freezers for herring and similar fish. -
Lysbrytningen (n 20/D) i det uforsåpbare av rene gadustraner
(Fiskeridirektoratets skrifter / Serie Teknologiske undersøkelser;Vol. 1, No. 11, Research report, 1951)In the cod and coalfish liver oils investigated, the vitamin A content increased with increasing amounts of unsaponifiable matter. A relative increase in per cent of unsaponifiable matter paralled about half as much relative ... -
Metoder for foredling av fiskeavfall (Foredrag holdt ved fryserikonferansen i Bergen i nov. 1952)
(Fiskeridirektoratets skrifter / Serie Teknologiske undersøkelser;Vol. 3, No. 1, Research report, 1954)In the lecture is given a survey of the fishmealproduction in Norway in 1951, and how the quantity distributes between the different kinds of rawmaterials. Then there are mentioned what requirements the methods of production ... -
Natriumnitrit som konserveringsmiddel for fabrikksild. Foringsforsøk med sildemel av konservert sild og undersøkelser over virkningen av ren natriumnitrit på husdyr.
(Fiskeridirektoratets skrifter / Serie Teknologiske undersøkelser;Vol. 3, No. 4, Research report, 1955)Felles melding fra: 1. Veterinærhøgskolens medisinske klinikk. 2. Veterinærhøgskolens farmakologiske institutt. 3. Landbrukshøgskolens foringsforsøk. 4. Statens veterinære forsøksgård for sau. 5. Fiskeridirektoratets ... -
Nye skjermete indikatorer
(Fiskeridirektoratets skrifter / Serie Teknologiske undersøkelser;Vol. 2, No. 4, Research report, 1952)Absorpsjonsmaksima er bestemt for 3 indikatorer i ren og skjermet tilstand. Indikatorene dekker et større pH-område og xylen-cyanolblått FF er brukt som skjerm. Fordelen ved å bruke skjermete indikatorer er at det er meget ... -
Om produksjonen av mel og olje av sild og lignende fisk. En sammenligning mellem Norge og andre land
(Fiskeridirektoratets skrifter / Serie Teknologiske undersøkelser;Vol. 1, No. 1, Research report, 1936) -
Oxidative rancidification of marine oils
(Fiskeridirektoratets skrifter / Serie Teknologiske undersøkelser;Vol. 5, No. 3, Research report, 1967) -
Protein value of cod and coalfish and some products for the young rat
(Fiskeridirektoratets skrifter / Serie Teknologiske undersøkelser;Vol. 5, No. 4, Research report, 1968)The protein quality of cod muscle protein and of some products of cod and coalfish was determined in nitrogen balance experiments with young rats. In most of the experiments spray dried egg albumin was used as a standard ... -
Protein value of herring meal and some other protein concentrates of marine origin for the young rat
(Fiskeridirektoratets skrifter / Serie Teknologiske undersøkelser;Vol. 5, No. 1, Research report, 1966)Protein concentrates, mainly of marine origin, were tested in nitrogen balance experiments with young rats. Commercial herring meals produced by several methods showed only small differences in protein utilization values. ... -
Removal of DDT and its Metabolites from Fish Oils by Molecular Distillation
(Fiskeridirektoratets skrifter / Serie Teknologiske undersøkelser;Vol. 5, No. 15, Research report, 1973)The distribution of DDT and its metabolities in cod liver oil and some other marine oils are reported. Cod liver oil showed an average content of (1.50 ± 0.31) mg DDT/kg. Dogfish liver oil contained 2.44 mg DDT/kg, and ... -
Studier over den døde fiskemuskulatur og dens forandringer under lagring. I. Kjemiske og bakteriologiske undersøkelser
(Fiskeridirektoratets skrifter / Serie Teknologiske undersøkelser;Vol. 1, No. 3, Research report, 1942)Der er gitt en oversikt over tidligere undersøkelser av fisk og dens holdbarhet under lagring, over fiskens sammensetning og dens bakteriologi, fiskemuskulaturens oppløselighetsforhold i vann og de prosesser som foregår ... -
Studier over den døde fiskemuskulatur og dens forandringer under lagring. II. Fysikalsk-kjemiske undersøkelser
(Fiskeridirektoratets skrifter / Serie Teknologiske undersøkelser;Vol. 1, No. 4, Research report, 1943) -
Studies on the radiation preservation of fish I. The Effect on Certain Vitamins in Fresh Fillets of Cod and Dogfish and in Smoked Fillets of Cod and Herring
(Fiskeridirektoratets skrifter / Serie Teknologiske undersøkelser;Vol. 4, No. 10, Research report, 1964)The effect of radiopasteurization (0.3 Mrad) and radiosterilization (3.0 Mrad) on certain vitamins in canned fresh fillets of cod and dogfish and in vacuum packed smoked cod and herring, were studied. The effect of ... -
The Absorption and Metabolism of Arsenic in Fish
(Fiskeridirektoratets skrifter / Serie Teknologiske undersøkelser;Vol. 5, No. 12, Research report, 1972)The absorption and metabolism of inorganic arsenic in rainbow trout (Salmo gairdneri) has been investigated by means of radioactive tracers. The results obtained show that the fish will absorb inorganic arsenic when this ... -
The amino acid composition and the protein value of four selected fish meals for the young chick
(Fiskeridirektoratets skrifter / Serie Teknologiske undersøkelser;Vol. 5, No. 5, Research report, 1968)A winter herring meal, a North Sea herring meal, a scad meal and a mackerel meal were tested as supplements to a basal vegetable chick diet and were analyzed for amino acids, vitamins and the common chemical constituents. ... -
The Effect of Gamma Radiation on Prerigor Mortis Filleted Cod
(Fiskeridirektoratets skrifter / Serie Teknologiske undersøkelser;Vol. 5, No. 11, Research report, 1972)The effect of gamma radiation on cod fillets was studied. Cod caught off the west coast of Norway were immediately filleted after slaying, packed in plastic bags and irradiated at the Institute of Atomic Energy, Kjeller. ... -
The Effect of Single and Double Doses of Gamma Radiation on Pre-rigor Mortis Filleted Saithe
(Fiskeridirektoratets skrifter / Serie Teknologiske undersøkelser;Vol. 5, No. 14, Research report, 1973)Saithe, caught on the western coast of Norway, was filleted immediately after killing, packed in plastic bags and irradiated using a cobalt- 60 source at the Institute of Atomic Energy, Kjeller. The doses were 50, 100, ... -
The Effect of Some Marine Oils and Squalene on the Plasma Cholesterol in Chicks
(Fiskeridirektoratets skrifter / Serie Teknologiske undersøkelser;Vol. 4, No. 4, Research report, 1962)The effect of some fish oils on the plasma-cholesterol level of chicks were studied in eleven experiments. Soya- bean oil, margarine fat and squalene were also included in the study. Arachis oil was used as a reference in ... -
The fatty acid composition of cod liver oil
(Fiskeridirektoratets skrifter / Serie Teknologiske undersøkelser;Vol. 4, No. 11, Research report, 1965)The fatty acid composition has been determined using group separation by thin layer partition chromatography in conjunction with gas liquid chromatography. Values are given for 41 acids as percentages of the sum varying ...