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Resistant starch consumption promotes lipid oxidation.
Nutr Metab (Lond)
October 2004
University of Colorado Health Sciences Center, Center for Human Nutrition, Denver, Colorado 80262, USA.
BACKGROUND: Although the effects of resistant starch (RS) on postprandial glycemia and insulinemia have been extensively studied, little is known about the impact of RS on fat metabolism. This study examines the relationship between the RS content of a meal and postprandial/post-absorbative fat oxidation. RESULTS: 12 subjects consumed meals containing 0%, 2.
View Article and Find Full Text PDFEvaluation of the 13C-triolein breath test for fat malabsorption in adult patients with cystic fibrosis.
J Gastroenterol Hepatol
April 2004
Gastrointestinal Unit, Royal Adelaide Hospital, Adelaide, South Australia, Australia.
Background And Aims: A simple non-invasive test not requiring the use of radioactive isotopes is required to assess fat malabsorption in adult cystic fibrosis (CF) patients. Breath tests using substrates labeled with 13C meet these conditions. The 14C-triolein breath test is sensitive and specific for measuring fat malabsorption, but involves radiation exposure.
View Article and Find Full Text PDFBiokinetics and radiation dosimetry for patients undergoing a glycerol tri[1-14C]oleate fat malabsorption breath test.
Appl Radiat Isot
April 2003
Department of Radiation Physics, Lund University, Malmö University Hospital, SE-205 02, Malmö, Sweden.
The glycerol tri[1-14C]olein test for fat malabsorption was carried out in two male volunteers and measurements of the loss of 14C in expired air, urine and faeces and the retention of 14C in biopsy samples of abdominal fat were made using accelerator mass spectrometry. Exhalation accounted for 73% and 55% of the administered activity and could be described by three-component exponential functions with halftimes of about 1h, 2 days and 150 days, respectively. Urinary excretion accounted for 24% of the administered activity, almost all during the first 24h after administration; about 2% was excreted in the faeces in 48h.
View Article and Find Full Text PDFFat malabsorption assessed by 14C-triolein breath test in HIV-positive patients in different stages of infection: is it an early event?
J Clin Gastroenterol
June 2000
Infections and Parasitic Diseases Service, Federal University of Minas Gerais School of Medicine, Belo Horizonte, Brazil.
The aim of this study was to evaluate fat absorption in HIV-positive (HIV+) patients in different phases of HIV infection using a 14C-triolein breath test. We distributed 47 HIV+ patients according to the 1993 Centers for Disease Control Revised Classification: 20 in Group 2 (A1 or A2) and 27 in Group 3 (B1, B2, A3, B3, or C). Ten HIV-negative healthy subjects comprised the control group (Group 1).
View Article and Find Full Text PDFFat malabsorption in elderly patients with cardiac cachexia.
Age Ageing
March 1996
Department of Geriatric Medicine, Royal Liverpool University Hospital, Liverpool.
Malnutrition resulting from chronic congestive heart failure (cardiac cachexia, CC) is not uncommon and contributes to mortality and morbidity especially of elderly people. The aetiology of cardiac cachexia is probably multifactorial. We have assessed whether malabsorption of fat is associated with CC and if so whether it is due to small-bowel bacterial overgrowth.
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