Zur Kenntnis der Fette aus Fettsäuren mit ungerader Kohlenstoffatomzahl. Vierte Mitteilung

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Abstract
Young [male] goats, 5 kg. in wt., were fed twice daily by bottle for 7 mos. with an emulsion of skin milk, fat, ground wheat, salt mixture and vits. Raw spinach was given daily. For each of 3 groups, containing 5, 4, and 3 animals, the fat was either a synthetic fat mixture containing equal parts of straight chain acids with even and odd numbers of C atoms, or coconut oil, or butterfat. During the periods of most rapid growth, the 3 groups gained wt. equally, but after the 120th day, the butterfat group grew more slowly than the others. During the 1st half of the exp., the resorption of the synthetic fat, coconut oil and butterfat was 83, 96, and 97%, respectively, while in the latter half of the exp., the values were 79, 91, and 92%. The synthetic fat mixture group ingested the most food because of poor absorption, and butterfat group the least. When saturated fats were fed to rats and goats, depot fat containing more than 60% saturated fatty acids was obtained. After feeding the synthetic fat with fatty acids of chain lengths C10-C23, fatty acids C13-C19 were found in the depot fat; this contained 33% of odd no. fatty acids. Tridecanic acid was the lowest acid stored. Coconut oil (45% lauric acid) caused a storage of C12 acids, butterfat a storage of C14 myristic acid.

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