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The pigment glands of cottonseed

I. Behavior of the glands toward organic solvents

  • Published:
Oil & Soap

Summary

  1. 1.

    The efficacy of a given solvent for the extraction of the gland pigments of cottonseed has been shown to be determined not only by its solvent power for the pigments but also by its ability to attack the pigment glands and the extent to which these glands are exposed to its action, which in turn depends upon the degree of subdivision of the seed being extracted.

  2. 2.

    The properties of the pigment glands have been utilized for the development of a method for mechanically fractionating cottonseed into pigment glands, embryo tissue (meal), and hull tissue. The process consists in the treatment of finely divided cottonseed with mixtures of inert liquids having densities intermediate between those of the seed parts being separated.

  3. 3.

    The fractionation method has been shown to be applicable to the preparation of pigment glands, and pigment-free oil and meal from flaked cottonseed.

  4. 4.

    The method has also been shown to be applicable to the separation of pigment glands from defatted cottonseed.

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Author information

Authors and Affiliations

  1. Southern Regional Research Laboratory, New Orleans, Louisiana

    Charlotte H. Boatner & Catherine M. Hall

Authors
  1. Charlotte H. Boatner
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  2. Catherine M. Hall
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Additional information

One of the laboratories of the Bureau of Agricultural and Industrial Chemistry, Agricultural Research Administration, U. S. Department of Agriculture.

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Boatner, C.H., Hall, C.M. The pigment glands of cottonseed. Oil Soap 23, 123–128 (1946). https://doi.org/10.1007/BF02571838

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  • DOI: https://doi.org/10.1007/BF02571838

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