1. USDA Western Regional Research Center, Albany, CA, 94710. Mention of a product is for informational purposes only and is not meant to imply recommendation by the USDA over others that may be suitable.
2. Corresponding author. Phone: 510/559-5695. Fax: 510/559-5777. E-mail: wally@pw.usda.gov
3. USDA Western Human Nutrition Center, San Francisco, CA 94129.
4. Department of Nutrition, University of California, Davis, CA 95616.