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Studies of the relationship of specific gravity to total solids of potatoes

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Summary

Specific gravity and total solids data were studied statistically to test the absolute reliability of the relationship in American potatoes. On a limited number of samples it is strongly indicated that studies should be instituted in the United States to establish a regression curve especially suited to American varieties and growing conditions. The variation in the relationship, due to tissue air space and perhaps other causes, indicates doubt as to the absolute reliability of individual total solids values determined by means of specific gravity. This is amply demonstrated by the 95% confidence limit of ± 1.5% total solids.

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Authors and Affiliations

  1. Eastern Utilization Research and Development Division, Agricultural Research Service, United States Department of Agriculture. Eastern Regional Laboratory, 19118, Philadelphia, Pennsylvania

    W. L. Porter, T. J. Fitzpatrick & E. A. Talley

Authors
  1. W. L. Porter
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  2. T. J. Fitzpatrick
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  3. E. A. Talley
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Porter, W.L., Fitzpatrick, T.J. & Talley, E.A. Studies of the relationship of specific gravity to total solids of potatoes. American Potato Journal 41, 329–336 (1964). https://doi.org/10.1007/BF02855668

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  • DOI: https://doi.org/10.1007/BF02855668

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