Trans fat food research

Trans fat food research

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Credit: KEITH WELLER/US DEPARTMENT OF AGRICULTURE/SCIENCE PHOTO LIBRARY

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Caption: Trans fat food research. Chemist holding tubs of margarine produced using high-pressure hydrogenation in stirred reactors. This technique has been developed to produce margarine that is low in trans fats. Trans fat is the common name for unsaturated fat with trans-isomer fatty acids. Research in humans shows that these fats raise serum cholesterol. Photographed at the National Center for Agricultural Utilization Research (NCAUR), in Peoria, Illinois, USA.

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