1. United States Department of Agriculture Grain Inspection Advisory Committee Meeting, June 2013 Review of Rice Initiatives 1 Investigate use of NIRT to Determine Rice Surface Lipid Content Investigate use of Scanner Technology to Determine Percent Broken Kernels in Rice Richard Pierce

2. United States Department of Agriculture Grain Inspection Advisory Committee Meeting, June 2013 Rough, Brown and Milled for Rice Classes 2

3. United States Department of Agriculture Grain Inspection Advisory Committee Meeting, June 2013 Milling Degree 3 Visual assessment of the degree to which a commercial miller has removed the rice bran layers. Terms used to describe milling degree are: Hard milled Well-milled Reasonably well-milled

4. United States Department of Agriculture Grain Inspection Advisory Committee Meeting, June 2013 Rice Surface Lipid Pilot Study - Goals 4 Test Accuracy and Consistency of NIRT Calibration on Market Samples Obtain Data to Improve Performance of the NIRT SLC Calibration Assess Relationship between NIRT Surface Lipid Content (SLC), Reference Laboratory SLC, and Inspector Degree of Milling Assess Consistency of Field versus BAR Degree of Milling Determinations

5. United States Department of Agriculture Grain Inspection Advisory Committee Meeting, June 2013 Rice SLC Range for Initial Samples 5

6. United States Department of Agriculture Grain Inspection Advisory Committee Meeting, June 2013 Stuttgart NIRT vs TSD Master 6

7. United States Department of Agriculture Grain Inspection Advisory Committee Meeting, June 2013 Determining Percent Broken Kernels 7 Whole Kernels Large Broken Kernels A “Whole” Rice kernel is defined as 75 Percent or more of the Original Kernel

8. United States Department of Agriculture Grain Inspection Advisory Committee Meeting, June 2013 8 Grain Check 2312 The Grain Check 2312 is an automated system for separating whole and broken kernels and providing comparable results to visual inspection. The Grain Check 2312 is discontinued and no longer supported!!!

9. United States Department of Agriculture Grain Inspection Advisory Committee Meeting, June 2013 Scanner System for Rice Broken Kernels 9 Low Cost Flatbed Scanner Challenges: Placement of Rice Kernels on the Scanner Platform Mathematical Algorithms to Identify Broken Kernels

10. United States Department of Agriculture Grain Inspection Advisory Committee Meeting, June 2013 Original Image (300 dpi) from Scanner 10

11. United States Department of Agriculture Grain Inspection Advisory Committee Meeting, June 2013 Binarized Image Using Intensity Threshold 11

12. United States Department of Agriculture Grain Inspection Advisory Committee Meeting, June 2013 Whole Kernels 12

13. United States Department of Agriculture Grain Inspection Advisory Committee Meeting, June 2013 Broken Kernels 13

14. United States Department of Agriculture Grain Inspection Advisory Committee Meeting, June 2013 14 Thank you!