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United States Department of Agriculture

Agricultural Research Service

Current Projects
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Polyphenolics evolution in model wine systems and commercial wine.








Improvement, modification, and development of analytical methods for quality-indicating  compounds, mainly phenolics








Vine nutrients (N, P, K) and irrigation, Pinot noir grape quality indicators with Paul Schreiner, USDA-ARS-HCRU

pot study 







Grapevine leafroll associated virus (GLRaV) and Pinot noir grape quality components

with Bob Martin, USDA-ARS-HCRU

Grapevine leafroll associated virus study 







Cover crop, tillage, and rootstock

Cabernet Sauvignon grape quality with Kerri Steenwerth, USDA-ARS-CRGRU

 Cabernet Sauvignon study







Berry skin temperature on Merlot grape anthocyanin development

with Julie Tarara and Carolyn Scagel, USDA-ARS-HCRU








Phytochemical composition of Pacific Northwest huckleberries, elderberries, and black raspberries with Chad Finn, USDA-ARS-HCRU











Food Chemistry Program

AOAC Official Method








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Scientist: Jungmin Lee



Last Modified: 1/7/2013
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