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Theoretical investigations into the accuracy of sampling shelled peanuts for aflatoxin

  • T. B. Whitaker
  • E. H. Wiser
Technical

Abstract

Within a population of shelled peanuts, aflatoxin may be concentrated in less than 0.5% of the peanuts. Those peanuts containing aflatoxin might have concentrations up to 1,000,000 µg of aflatoxin per kilogram of peanuts. Because of the distribution pattern, sample means vary widely, and the true average level of aflatoxin in the population is difficult to estimate. The objective of this study was to determine the effect of sample size, N, on sampling accuracy. The negative binomial distribution of aflatoxin since it allowed for a high probability of zero counts along with small probabilities of large counts. Using both the Monte Carlo technique and a direct computation method, the effect of sample size on sampling accuracy was quantitatively described.

Keywords

Aflatoxin Negative Binomial Distribution Monte Carlo Technique Zero Count Shell Peanut 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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References

  1. 1.
    Bampton, S. S., Trop. Sci.5, 74–81, (1963).Google Scholar
  2. 2.
    Cucullu, A. F., L. S. Lee, R. Y. Mayne and L. A. Goldblatt, JAOCS43, 89–92, (1966).PubMedGoogle Scholar
  3. 3.
    Whitten, M. E., The Cotton Gin and Oil Mill Press,67, 7 (1966).Google Scholar
  4. 4.
    Anscombe, F. J., Biometrika37, 358–382, (1950).zbMATHPubMedMathSciNetGoogle Scholar
  5. 5.
    Polya, G., Ann. Inst. Henri Poincare1, 117–161, (1931).MathSciNetGoogle Scholar
  6. 6.
    Naylor, T. H., J. L. Balintfy, S. B. Donald, Kong Chu, “Computer Simulation Techniques,” John Wiley & Sons, Inc., New York (1966).Google Scholar
  7. 7.
    Woodroof, J. G., “Peanuts: Production, Processing, Products,” The Avi Publishing Co., Inc., Westport, Connecticut, 176, (1966).Google Scholar

Copyright information

© American Oil Chemists’ Society 1969

Authors and Affiliations

  • T. B. Whitaker
    • 1
    • 2
  • E. H. Wiser
    • 1
    • 2
  1. 1.Market Quality Research DivisionUSDARaleigh
  2. 2.Biological and Agricultural Engineering Dept.N.C. State UniversityRaleigh

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