2006 Annual Report 4d.Progress report. This report serves to document research conducted under a Trust Agreement between ARS and Suntory, Inc. Additional details of research can be found in the report for the project, 1235-51530-008-00D, "Dietary modulation of markers of inflammation and oxidation as risk factors of chronic, degenerative diseases." This Trust Agreement was initiated in FY 06 to conduct a study investigating the role of different oolong tea polyphenols and their effect of fat oxidation, insulin sensitivity, inflammation and oxidative stress. In this study, the effects of oolong tea catechins and oolong tea polyphenols were compared to oolong tea and appropriate controls. The dietary intervention is planned to begin in FY 07. During FY 06, protocol and menu development has begun.