Abstract Title:

Effects of Blackcurrant and Dietary Fibers on Large Intestinal Health Biomarkers in Rats.

Abstract Source:

Plant Foods Hum Nutr. 2018 Jan 31. Epub 2018 Jan 31. PMID: 29388158

Abstract Author(s):

Gunaranjan Paturi, Christine A Butts, John A Monro, Duncan Hedderley

Article Affiliation:

Gunaranjan Paturi


This study examined the effects of anthocyanin-rich blackcurrant extract and dietary fibers individually and their combinations on biomarkers of large intestinal health in rats. After six weeks of feeding, rats fed diets with blackcurrant gained significantly less body weight and reduced their food intake resulting in a lower food efficiency compared with those rats fed control diets. Combining dietary fiber (apple or broccoli) with blackcurrant in the diet was more effective in reducing the body weight gain and food intake. Cecal bacterial populations and short-chain fatty acids differed between the experimental diets. Blackcurrants significantly altered the bacterial populations by increasing the abundance of Bacteroides-Prevotella-Porphyromonas group and Lactobacillus spp., while decreasing the abundance of Bifidobacterium spp. and Clostridium perfringens. Propionic acid concentrations were increased by the diets with blackcurrant. Butyric acid concentrations were increased by dietary fiber supplementation. Dietary fiber increased the number of goblet cells in the colon. Diets with blackcurrant were more effective in altering the biomarkers of large intestinal health than those without blackcurrant.

Study Type : Animal Study

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