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Bile acids, neutral steroids, and bacteria in feces as affected by a mixed, a lacto-ovovegetarian, and a vegan diet

van Faassen, A.; Bol, J.; van Dokkum, W.; Pikaar, N. A.; Ockhuizen, T.; Hermus, R. J.

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1987-12

10.1093/ajcn/46.6.962

PMID: 3120571

Abstract:

In a metabolic ward 12 healthy male subjects consumed mixed Western (M), lacto-ovovegetarian (L), and vegan (V) diets in a randomized order for 20 d each. The concentrations of deoxycholic acid, isolithocholic acid, and total bile acids in 4-d composites of feces on the L and V diets were significantly lower than on the M diet. The chenodeoxycholic-to-isolithocholic plus lithocholic acid ratio was significantly higher on the V diet. The concentrations of coprostanol and of coprostanol plus cholesterol were highest on M diet and lowest on V diet. The number of fecal lactobacilli and enterococci on the V diet was significantly lower than on the M or the L diets. This study showed a decrease in the concentration of fecal (secondary) bile acids by the L and the V diets and an alteration of the fecal flora composition by the V diet.

Automatic Tags

Animals; Humans; Male; Adult; Cholesterol; Diet, Vegetarian; Bacteria; Milk; Eggs; Bile Acids and Salts; Feces; Cholestanol; Sitosterols; Deoxycholic Acid; Lithocholic Acid; Steroids

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