A common food additive could alter metabolism in ways that could increase the risk of diabetes, a preliminary study suggests.
The study, which involved research in humans and mice, investigated a food additive called propionate, which prevents mold growth and is widely used as a preservative in cheeses, baked goods (including bread) and artificial flavorings.
The study found that, in mice, consumption of propionate led to high blood sugar levels in the short term and weight gain and insulin resistance in the long term. (Insulin resistance means the body doesn't respond well to the hormone insulin, which helps cells take in sugar, or glucose. Such resistance can lead to the high blood sugar levels seen in people with diabetes.)
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