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Effects of drying on sunflower seed oil quality and germination

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Journal of the American Oil Chemists’ Society

Abstract

Sunflower seed (SunGro 380) were harvested 101 to 121 days after planting, and their moisture levels were between 43 and 15%. The seed were dried at 35, 53, 72, and 88 C to a final moisture level of 10% or below. Drying air flow was 2000 m3/hr./m3 seed. Temperature had no effect on peroxide values, total oil, or fatty acid composition. Free fatty acids increased as initial moisture decreased. For a given drying temperature, germination increased with decreasing initial moisture, and for a given initial moisture, germination increased with decreasing drying temperature. This study indicates that a drying temperature greater than 53 C should not be used if seed viability is to be maintained.

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Authors and Affiliations

  1. Field Crops Utilization and Marketing Research Laboratory, Richard B. Russell Agricultural Research Center, Agricultural Research Service, U.S. Department of Agriculture, 30604, Athens, Georgia

    W. Herbert Morrison & J. A. Robertson

Authors
  1. W. Herbert Morrison
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  2. J. A. Robertson
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Morrison, W.H., Robertson, J.A. Effects of drying on sunflower seed oil quality and germination. J Am Oil Chem Soc 55, 272–274 (1978). https://doi.org/10.1007/BF02676940

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  • DOI: https://doi.org/10.1007/BF02676940

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