(NutraIngredients) - Polyphenol compounds in red wine may selectively boost the growth of certain bacteria in the gut, says a new study from Spain. Results of a small study indicated that the red wine polyphenols were associated with increases in levels of certain gut bacteria, including Bifidobacterium, Enterococcus, Prevotella, and Bacteroides. In addition, researchers from the University of Barcelona report that blood pressure fell