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Neutral sterol excretions in rats fed skim milk and skim milk yogurt diets. 1992

K P Navder, and E B Fryer, and H C Fryer
Kansas Agricultural Experiment Station, Kansas State University, Manhattan 66506.

Acceleration of cholesterol catabolism (through feces) has been proposed as one of the mechanisms for the hypocholesterolemic effect of dairy products. This study examined the effects of feeding two milk products (skim milk and skim milk yogurt) on fecal neutral sterol excretions in rats. Six groups of nine rats each were fed iso-caloric Chow-based diets containing water, 45% skim milk (SM), or 45% skim milk yogurt (SMY), without or with cholesterol. The results indicate that both SM and SMY increased the excretion of total neutral sterols under hyperlipemic conditions. The SMY diet (with cholesterol) also increased the excretion of coprostanol, a bacterial metabolite.

UI MeSH Term Description Entries
D008297 Male Males
D008892 Milk The off-white liquid secreted by the mammary glands of humans and other mammals. It contains proteins, sugar, lipids, vitamins, and minerals. Cow Milk,Cow's Milk,Milk, Cow,Milk, Cow's
D002791 Cholesterol, Dietary Cholesterol present in food, especially in animal products. Dietary Cholesterol
D005243 Feces Excrement from the INTESTINES, containing unabsorbed solids, waste products, secretions, and BACTERIA of the DIGESTIVE SYSTEM.
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D013261 Sterols Steroids with a hydroxyl group at C-3 and most of the skeleton of cholestane. Additional carbon atoms may be present in the side chain. (IUPAC Steroid Nomenclature, 1987) Sterol
D015014 Yogurt A slightly acid milk food produced by fermentation due to the combined action of Lactobacillus acidophilus and Streptococcus thermophilus. Yoghurt
D017207 Rats, Sprague-Dawley A strain of albino rat used widely for experimental purposes because of its calmness and ease of handling. It was developed by the Sprague-Dawley Animal Company. Holtzman Rat,Rats, Holtzman,Sprague-Dawley Rat,Rats, Sprague Dawley,Holtzman Rats,Rat, Holtzman,Rat, Sprague-Dawley,Sprague Dawley Rat,Sprague Dawley Rats,Sprague-Dawley Rats
D051381 Rats The common name for the genus Rattus. Rattus,Rats, Laboratory,Rats, Norway,Rattus norvegicus,Laboratory Rat,Laboratory Rats,Norway Rat,Norway Rats,Rat,Rat, Laboratory,Rat, Norway,norvegicus, Rattus

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