Source: Chris Irvine, Telegraph.UK
Professor Soraya Shirazi-Beechey, from the Faculty of Veterinary Science at the University of Liverpool, found that a sweet taste receptor, present in the taste cells of the gut, allows humans and animals to detect glucose within the intestine.
Artificial sweeteners behave in a similar way to sugar however, and activate the sensors in the gut key to glucose absorption.
Professor Shirazi-Beechey said: "If someone wants to lose weight, I don’t think artificial sweeteners are going to help.
"My recommendation is to eat natural foods, but to eat less of them."
Prof Shirazi-Beechey said: "Artificial sweeteners can also activate the glucose sensor and increase the capacity of the intestine to absorb more sugar.
"You drink diet cola to stay slim but the reverse is true, because the artificial sweeteners can activate the sensor, so you are taking more glucose from your diet."
Prof Shirazi-Beechey's research can be seen at an exhibition at the Food Museum in Switzerland. The exhibition, called Research Food – a Dialogue, looks at food history, science and technologies.
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