Abstract
Wavelength and mathematical treatments were optimized for the determination of oil, protein, moisture and crude fiber components in the ground seeds of nine oil-bearing crops [rape, flax, sunflower, safflower sesame, palm kernel, groundnut (peanut), soybean spectroscopy. Optimum wavelengths, selected for the estimation of various components, were influenced by the algorithm (math treatment) used and differed among crops. The second derivative math appeared to be better suited for the estimation of all constituents. Methods for sample preparation of all constituents. Methods for sample preparation and analytical results are discussed. The accuracy was quite satisfactory for routine quality control and evaluation purposes, and precision was equal to that of standard analyses.
Similar content being viewed by others
References
Norris, K.H.,Agric. Eng. 45:370 (1964).
Norris, K.H., and J.R. Hart, inPrinciples and Methods of Measuring Moisture in Liquids and Solids, Vol. 4. edited by A. Wexler, Reinholt, New York, 1965, pp. 19–25.
Hymowitz, T., J.W. Dudley, F.I. Collins and C.M. Brown,Crop Sci. 14:713 (1974).
Williams, P.C.,Cereal Chem. 52:561 (1975).
Shenk, J.S.,Forage and Grassland Progress XVIII:1 (1977).
Tkachuk, R.,Cereal Foods World 26:584 (1981).
Peuchant, E., C. Salles and R. Jensen,Anal. Chem. 59:1816 (1987).
Lodder, R.A., M. Selby and G.M. Hieftje,Ibid. 59:1921 (1987).
Official Methods and Recommended Practices of the American Oil Chemists’ Society, 3rd edn., Vol. 1, edited by R.C. Walker, AOCS, Champaign, IL, 1987, Methods Aa, 4-38; Ab 3–49; Ac 3-44; Af 3-54; Ag 1-65, and Ai 3-75.
Approved Methods of the American Association of Cereal Chemists, vol. 2, compiled by the Approved Methods Commitee, AACC Ins., St. Paul, MN, 1976, Modified Kjeldahl-Boric acid method #46-12.
Official Methods and Recommended Practices of the American Oil Chemists’ Society, 3rd edn., Vol. 1, edited by R. C., Walker, AOCS, Champaign, IL, 1987, Methods Ba 6-84.
Olsborne, T.B., and L.B. Mendel,J. Biol. Chem. 18:1 (1914).
Norris, K.H., and P.C. Williams,Cereal Chem. 61:158 (1984).
Betschart, A.J.,J. Food Sci. 40:1010 (1975).
Williams, P.C., and B.N. Thompson,Ibid. 55:1014 (1978).
Kjeldahl Protein Methods, Grain Research Laboratory Division, Canadian Grain Commission, edited by P.C. Williams, Candian Grain Commission, Winnipeg, Canada, 1967.
Law, D.P., and P.R. Edmondson,Analytical Chem. 28:1533 (1956).
Murray, I., and P.C. Williams, inNear-infrared Technology in the Agriculture and Food Industries, edited by P. Williams and K. Norris, Amer. Assoc. Cereal Chem. Inc., St. Paul., Minnesota, 1987, pp. 17–34.
Coblentz, W.W.,Investigations of IR spectra Parts I and II, Carnegie Institute, Washington, Publ. 35, Washington, D.C., 1905.
Author information
Authors and Affiliations
About this article
Cite this article
Pandord, J.A., Williams, P.C. & deMan, J.M. Analysis of oilseeds for protein, oil, fiber and moisture by near-infrared reflectance spectroscopy. J Amer Oil Chem Soc 65, 1627–1634 (1988). https://doi.org/10.1007/BF02912567
Received:
Accepted:
Issue Date:
DOI: https://doi.org/10.1007/BF02912567