Member profile

Dr Silvia Gratz

Last updated: 25 November 2022

Dr Silvia Gratz

Image of Dr Silvia Gratz wearing a red top with shoulder length brown hair.


Dr Silvia W. Gratz is a Senior Research Fellow at the Rowett Institute, University of Aberdeen. Her research in nutrition and food toxicology focusses on interactions of food contaminants and additives with digestive function, intestinal epithlia and gut microbiota. She assesses dietary exposure to food contaminants through food analysis and urinary biomonitoring in adults and children and applies in-vitro bioassays to predict bioaccessibility, absorption and colonic microbial metabolism of food contaminants in humans.

Dr Gratz's appointment as a member of the COT expires on 31st May 2025.

Personal Interest

Category of Interest

Organisation / Body and Nature of Interest (period)

Clubs and other organisations


The Nutrition Society (UK)

The British Toxicology Society

FSA Register of Specialists

Direct employment

Rowett Institute, University of Aberdeen