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United States Department of Agriculture

Agricultural Research Service

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Location: Bio-oils Research

2012 Annual Report

1a. Objectives (from AD-416):
Develop cutting-edge analytical standards to provide a platform for essential activities to support soybean composition improvement in the U.S., including amino acids, fatty acids, protein, oil, and other important constituents.

1b. Approach (from AD-416):
Using new wet chemical methods, improved near infrared calibrations will be performed and compared to calibrations by other near infrared (NIR) users. A wider range of soybean composition will be worked into the calibration. Soxhlet and nitrogen analyses from newly obtained equipment will be used in the calibration. Carbohydrate analyses will be performed on a large number of soybean samples and added to the current calibration.

3. Progress Report:
Near InfraRed (NIR)calibrations and validation of the results were made using solvent extraction and pulsed nuclear magnetic resonance (NMR) for oil content. Carbon-hydrogen-nitrogen (CHN) combustion analysis validated the protein content. Validation confirmed the NIR was capable of performing well in the normal range of oil, protein, and moisture ranges typically found in soybeans. The NIR calibration will be suspect at the boundaries where other analytical methods will be required to complete the analysis. Currently all ARS submitted soybean samples have been completed.

4. Accomplishments

Last Modified: 10/16/2017
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