1. United States Department of Agriculture, Agricultural Research Service, 800 Buchanan Street, Albany, California 94710, United States
2. United States Department of Agriculture, Agricultural Research Service, 1815 North University Street, Peoria, Illinois 61604, United States
3. Olive Center and Department of Food Science and Technology, University of California−Davis, Davis, California 95616, United States
4. Department of Chemistry, University of California−Davis, Davis, California 95616, United States