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Rapid deter mination of protein in soybean meals

  • Technical
  • Published:
Journal of the American Oil Chemists Society

Abstract

Protein content of soybean meal is determined by a modified biuret method. Samples are stirred with 0.5N sodium hydroxide containing normal or isopropyl alcohol and copper hydroxide at 70 C. Protein is determined from the absorbance of the filtered solution at 550 nm. Satisfactory correlation with the standard Kjeldahl method was obtained.

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Author information

Authors and Affiliations

  1. Market Quality Research Division, 20705, Beltsville, Maryland

    Benjamin D. Deacon

Authors
  1. Benjamin D. Deacon
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ARS, USDA.

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Cite this article

Deacon, B.D. Rapid deter mination of protein in soybean meals. J Am Oil Chem Soc 49, 660–661 (1972). https://doi.org/10.1007/BF02609382

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  • DOI: https://doi.org/10.1007/BF02609382

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