1. Office of the Texas State Chemist, Texas Agricultural Experiment Station, College Station, TX 77841-3160.
2. Corresponding author. Phone: 979-845-1121. Fax: 979-845-1389. E-mail: tjh@otsc.tamu.edu
3. USDA-ARS, Grain Marketing and Production Research Center, Manhattan, KS 66502. Names are necessary to report factually on available data; however, the USDA does not guarantee the standard of a product, nor does the use of the name by the USDA imply any approval of the product to the exclusion of others that may also be suitable.
4. Department of Food Science and Technology, University of Nebraska-Lincoln, Lincoln, NE 68583-0919. A contribution of the University of Nebraska Agricultural Research Division, supported in part by funds provided through the Hatch Act. Mention of a trade name, proprietary product, or company name is for presentation clarity and does not imply endorsement by the authors or the University of Nebraska.
5. Department of Agronomy, Kansas State University, Manhattan, KS 66506.