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United States Department of Agriculture

Agricultural Research Service

Completed Studies
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1 - Sterol
2 - Blackberry
3 - Cranberry
4 - Anthocyanin
5 - Garlic 2010
6 - Almond
7 - Pistachio
8 - Lipid
9 - Whey Protein and Blood Pressure



Main Study Questions


The objective of this study is to measure the energy value of pistachios in the human diet and study molecular mechanisms that may help explain the beneficial health effects of pistachios.


Motivation for Research


The aim of this study is to determine the energy value of pistachios in the human diet and to probe mechanisms by which pistachios impart health benefits. The metabolizable energy value of pistachio nuts will be calculated based on the chemical composition and energy content of the consumed diet and excreta. In addition to determining the energy value of pistachios, we will evaluate the effects of pistachio-rich diets on plasma phytonutrient levels and on gene expression changes to determine what protective mechanisms are activated by pistachio consumption.




The study ran from the beginning of October 2009 through December 2009. The data analysis phase is currently being completed.










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Last Modified: 11/8/2013
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