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United States Department of Agriculture

Agricultural Research Service

Image Number D2474-1

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  Image Number D2474-1

Caption for March 2014 Agricultural Research magazine article, "Dietary Products: Some are Underresearched, Overmarketed." Chemist Pei Chen prepares extracts from dietary supplements to study differences in the content of phytochemical compounds.

Caption for April 2012 Agricultural Research magazine article, "Digital Detectives Decipher Ingredients." Chemist Pei Chen prepares extracts from teas and tea-based dietary supplements to study differences in phytochemicals (health-protecting compounds) in the two forms of tea.

 

 

Photo by Peggy Greb .


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Last Modified: 3/5/2014
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