THE NUTRITIVE VALUE OF MARINE PRODUCTS V. THE VITAMIN A CONTENT OF LING COD-LIVER OIL PRELIMINARY NOTE

1932 ◽  
Vol 7 (1) ◽  
pp. 405-412
Author(s):  
B. E. BAILEY

The liver oil of the Pacific coast Ling cod has been examined for vitamin A by both biological and colorimetric methods. The oil is very rich in vitamin A, the least potent sample containing 20,000 rat units per gram.

1933 ◽  
Vol 8 (1) ◽  
pp. 265-274
Author(s):  
B. E. BAILEY

The vitamin A content of liver oils of five species of salmon in the genus Oncorhynchus has been determined. The richest samples contained 40 times, and the poorest twice as much vitamin A per gram as a sample of cod liver oil stated to contain 500 A.D.M.A. units per gram. Potencies of samples were in descending order: Skeena spring, Vancouver spring and sockeye, coho, pink and chum salmon. Oil content of the livers averaged 5 per cent and percentage of liver in the fish 2 per cent. The melting point, unsaponifiable matter and iodine value of the oils have been determined.


1936 ◽  
Vol 2 (5) ◽  
pp. 461-462
Author(s):  
F. D. White

Separate proximate analyses of the flesh and skin of three freshly-caught ling cod (Ophiodon elongatus) from the east coast of Vancouver island are reported. Average percentages of protein in the flesh and skin were 18.1 and 26.9 (moist) or 87.0 and 88.5 (dry); ash, 1.2 and 2.5 (moist); fat, negligible; Calories per 100 g. (moist), 81 and 117.


Nature ◽  
1939 ◽  
Vol 144 (3649) ◽  
pp. 634-634 ◽  
Author(s):  
L. B. PETT ◽  
MARIAN LIPKIND ◽  
G. A. LEPAGE
Keyword(s):  

1931 ◽  
Vol 6 (1) ◽  
pp. 355-363 ◽  
Author(s):  
D. B. FINN

Vitamin A deficiencies in the diets of albino rats have been overcome by feeding commercial pilchard oil. The effects of graduated doses have been examined and satisfactory growth rates have been obtained by feeding 12 mg. per day per rat, though no emphasis is placed upon absolute evaluation of vitamin potency. In comparison colorimetric assay gave values lower than the feeding experiments indicate.


1924 ◽  
Vol 14 (4) ◽  
pp. 531-547 ◽  
Author(s):  
Jack Cecil Drummond ◽  
Harold John Channon ◽  
Katharine Hope Coward ◽  
John Golding ◽  
James Mackintosh ◽  
...  

(1) Further experiments are described, the results of which support the relationship between the presence of vitamin A in the diet of the cow and its presence in milk fat.(2) The typical winter ration of concentrates, roots and hay may be adequate to maintain the vitamin A value of the milk fat for considerable periods provided that at least one of the components supplies adequate amounts of that dietary principle. Well cured green meadow hays are in this respect greatly superior to dry brown seeds hays.(3) The addition of cod liver oil to a winter ration deficient in vitamin A will induce a sharp rise in the vitamin A value of the milk fat of cows. No such effect is seen when oils deficient in this dietary factor (coconut oil, arachis oil) are given.(4) The administration of cod liver oil in doses from 1 to 8 ozs. daily to milking cows caused no “fishy” taint in the milk or butter-fat.(5) The administration of cod liver oil caused no appreciable change in the yield of milk but the higher doses appeared to cause a noticeable drop in the percentage of fat. Further experiments are required to throw more light on this observation.


1936 ◽  
Vol 2 (5) ◽  
pp. 431-437 ◽  
Author(s):  
Basil E. Bailey

The total oil in samples of canned British Columbia sockeye (Oncorhynchus nerka) and pink (O. gorbuscha) salmon, each from three different localities, contained respectively 50, 67, 67 and 50, 67, 67 international units of vitamin D per gram, equivalent to average contents of 1700 and 880 international units in the oil per pound of contents for the sockeye and pink samples respectively. The oil in the cans of sockeye salmon from two of the localities contained approximately 2.5 and 2.0 A.D.M.A. units of vitamin A per gram respectively. A composite sample of the oil in all the cans of pink salmon contained no appreciable amount of vitamin A. Several physical and chemical characteristics of the oil samples are given.


PMLA ◽  
1935 ◽  
Vol 50 (4) ◽  
pp. 1373-1374

The thirty-seventh annual meeting of the Philological Association of the Pacific Coast was held at Stanford University, California, on November 29 and 30, 1935.


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