1. Engineering Research Unit, USDA-ARS, Grain Marketing and Production Research Center, 1515 College Ave, Manhattan, KS 66502. Names are necessary to report factually on available data: however, the USDA neither guarantees not warrants the standard of the product, and the use of the name by the USDA implies no approval of the product to the exclusion of others that may also be available.
2. Corresponding author. Phone: 785-776-2761. Fax: 785-537-5534. E-mail: ramms@gmprc.ksu.edu
3. Grain Quality and Structure Research Unit, USDA-ARS, Grain Marketing and Production Research Center, 1515 College Ave, Manhattan, KS 66502.