1. North Pacific Division Materials Laboratory, US Army Corps of Engineers, 1491 NW Graham Avenue, Troutdale, OR 97060‐9503
2. Division of Clinical Nutrition and Lipid Metabolism, Department of Medicine, Oregon Health Sciences University, Portland, Oregon 97201, USA
3. Department of Food Science and Technology, Oregon State University, Corvallis, Or 97331, USA
4. Department of Fisheries and Wildlife, Oregon State University, Marine Science Center, Newport, OR 97365, USA