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Summary. The influence of pyridoxine deficiency on chicks fed fat‐free and 10% peanut oil‐diets with and without 1 % cholesterol was studied. Cholesterol: The pyridoxine‐deficient diets caused significantly higher plasma cholesterol than the diets with added pyridoxine. The aorta vliolcsterol showed changes in the same direction. Liver chiolesterol was not, significantly affectd. The pyridoxine‐deficient diets caused lower cholesterol content in the heart than did the supplemented diets. Polyevie fatty acids: With a fat‐free, pyrudixine‐deficient diet a marked content of tetraenoic acid was found in heart and liver, whereas the tritenoic acid was proportionally decreased. Feeding of 10% peanut oil without pyridoxine caused less deposition of tetraenoic in heart and especially in the liver than feeding of 10 % peanut oil with pyridoxine. Addition of 1% cholesterol to the diets resulted in a decrease in the amount of tetraenoic acid in heart and liver.

Dam, Henrik, Gunhild Kristensen, Gunhild Kofoed Nielsen and Ebbe Søndergaard. Influence Of dietary cholesterol, cod liver oil and linseed oil on cholesterol and polyenoic fatty acids in tissues from fasted and non‐fasted chicks. Acta physiol. scand. 1959. 45. 31–42. — The deposition of cholesterol and polyenoic fatty acids after feeding diets with no fat, 10 % cod liver oil or 10 % linseed oil with or without 1 % dietary cholesterol for a 4 week period was determined in various tissues of chicks. About half of the chicks examined had no access to food during the last 16 or 18 hours before they were killed. Data for cholesterol in plasma, aorta, heart, liver, brain and fat tissue and for polyenoic fatty acids in heart, liver, brain and fat are presented.

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