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Effect of rye bread enriched with tomato pomace on fat absorption and lipid metabolism in rats fed a high-fat diet.
Bajerska, Joanna; Chmurzynska, Agata; Mildner-Szkudlarz, Sylwia; Drzymala-Czyz, Slawomira.
Affiliation
  • Bajerska J; Department of Human Nutrition and Hygiene, Poznan University of Life Sciences, Wojska Polskiego 31, 60-624, Poznan, Poland.
  • Chmurzynska A; Department of Human Nutrition and Hygiene, Poznan University of Life Sciences, Wojska Polskiego 31, 60-624, Poznan, Poland.
  • Mildner-Szkudlarz S; Institute of Food Technology of Plant Origin, Poznan University of Life Sciences, Wojska Polskiego 31, 60-624, Poznan, Poland.
  • Drzymala-Czyz S; Department of Pediatric Gastroenterology and Metabolism, Poznan University of Medical Sciences, Szpitalna 27/33, 60-572, Poznan, Poland.
J Sci Food Agric ; 95(9): 1918-24, 2015 Jul.
Article in En | MEDLINE | ID: mdl-25199643
BACKGROUND: Tomato pomace (TP), obtained as a residue of tomato processing, was used to enrich rye bread (RB). The sensory profile of this functional bread (RB+TP) was characterised, and its fat absorption and lipid metabolism properties in high-fat-fed rats were studied. RESULTS: Intake of the HF diet containing RB, RB+TP, or TP alone increased faecal energy and fat excretion, but did not affect animal growth or visceral fat weight. Both RB and RB+TP diminished the negative impact of the HF diet, lowering the atherogenic index of plasma (AIP) and the total liver lipid contents by 31.6% and 24%, respectively. The experimental diets had no effect on liver S-adenosylhomocysteine (SAH) concentrations or on the S-adenosylmethionine (SAM) to SAH ratio, though the lowest SAM levels were observed in the HF+TP group. No significant differences were detected in blood homocysteine, triglycerides, glucose or insulin levels. CONCLUSIONS: Although RB+TP incorporated into a HF diet may lead to a decrease in AIP and total liver lipid content, this effect does not depend on the components of TP, but rather on the RB ingredients. However, pure TP, in the doses used in this study, may potentially play a role in the energy balance via faecal loss of lipids.
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Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Secale / Bread / Dietary Fats / Dietary Fiber / Food, Fortified / Solanum lycopersicum / Intestinal Absorption Type of study: Clinical_trials / Etiology_studies Limits: Animals / Humans / Male Country/Region as subject: Europa Language: En Journal: J Sci Food Agric Year: 2015 Document type: Article Affiliation country: Poland Country of publication: United kingdom

Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Secale / Bread / Dietary Fats / Dietary Fiber / Food, Fortified / Solanum lycopersicum / Intestinal Absorption Type of study: Clinical_trials / Etiology_studies Limits: Animals / Humans / Male Country/Region as subject: Europa Language: En Journal: J Sci Food Agric Year: 2015 Document type: Article Affiliation country: Poland Country of publication: United kingdom