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Study of the neutral lipids of sunflower meal and isolates

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Journal of the American Oil Chemists’ Society

Abstract

Two types of sunflower protein isolates have been obtained from prepress and solvent extracted sunflower meal. The first was obtained by precipitation (at the isoelectric point) of the alkaline extract of the meal, and washing the curd with water. In the second, the alkaline extraction was carried out in the presence of sodium sulfite, and the curd was washed with water, ethanol and acetone. Both isolates were air-dried and then dried under vacuum at 50 C. From the total lipids, obtained with 86% ethanol, the neutral lipids were separated using a column of Florisil. The lipids studied were those of the two isolates mentioned above as well as those of the original meal. The following types of compounds were separated, identified and quantified: hydrocarbons, waxes, methyl esters, triglycerides, free fatty acids, diglycerides, free sterols, and hydroxy fatty acids.

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Authors and Affiliations

  1. Instituto de la Grasa y sus Derivados, Avda. P, Garcia Tejero 4, 12, Sevilla, Spain

    F. Millan, E. Vioque & M. P. Maza

Authors
  1. F. Millan
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  2. E. Vioque
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  3. M. P. Maza
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Millan, F., Vioque, E. & Maza, M.P. Study of the neutral lipids of sunflower meal and isolates. J Am Oil Chem Soc 60, 1321–1325 (1983). https://doi.org/10.1007/BF02702109

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  • DOI: https://doi.org/10.1007/BF02702109

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