title: Effects of fasting on the composition of gallbladder bile.
abstract: Gallbladder bile was aspirated from the duodenum in nine healthy women after three separate periods of fasting after a standardised meal. Mean cholesterol saturation index was significantly greater after a 15 hour fast (1.35 +/- 0.08) than after a 10 hour fast (1.05 +/- 0.10). However, after 20 hours of fasting, mean cholesterol saturation index had fallen to 1.13 +/- 0.10. Total biliary lipid concentration was unaffected. These findings suggest that fasting has a series of effects on gallbladder bile and that bile sampling should be carried out at at standardised period of time after the last meal.
mesh_terms: D000328:Adult; D001646:Bile / Q000378:metabolism*; D001647:Bile Acids and Salts / Q000378:metabolism; D002635:Chenodeoxycholic Acid / Q000378:metabolism; D002784:Cholesterol / Q000378:metabolism; D002793:Cholic Acids / Q000378:metabolism; D003840:Deoxycholic Acid / Q000378:metabolism; D005215:Fasting; D005260:Female; D006801:Humans; D008875:Middle Aged; D010743:Phospholipids / Q000378:metabolism; D013997:Time Factors
chemical_list: D001647:Bile Acids and Salts; D002793:Cholic Acids; D010743:Phospholipids; D003840:Deoxycholic Acid; D002635:Chenodeoxycholic Acid; D002784:Cholesterol