
Data from a randomized-controlled trial that compared meat eaters to meat-and-berry eaters found that fecal samples from berry eaters had higher amounts of protective nutrients that reduced the viability of cancer cells.
Writing in The Journal of Nutritional Biochemistry, scientists from the Human Microbiome Research Program and the Department of Food and Nutrition at the University of Helsinki concluded that berries may protect against colorectal cancer development.
“The difference seen in gut metabolism was probably induced by the higher intakes of dietary fiber, vitamins C and E, manganese and polyphenols by the berry diet,” they noted