Artículo
Abstract:
Analytical data obtained on deoxynivalenol (DON) concentration in naturally contaminated wheat during processing in an industrial mill were statistically analyzed, and the distribution functions of DON concentration in lots of wheat, bran, wheat flour, and gluten were estimated. The analytical method had acceptable precision (HORRAT 0.250.32) for each test sample. The total variance combined sampling, sample preparation, and analytical variances were 0.188, 0.033, 0.42, and 0.0014 ppm2 for wheat, 1.93; flour, 0.99; bran, 4.68; and gluten, 0.29, respectively. The distribution function of DON contamination presented an asymmetric tail for high values of concentration in wheat grains and wheat flour; in bran it seemed to be bimodal with 2 separated peaks of different concentrations; in gluten the normal distribution function gave a reasonably good fit to empirical data. The function η(c) = -ln(-lnp), where p (c) is the cumulative distribution function was linear with c in the so-called extreme-value type I distribution and could be fitted by a cubic polynomial in c in the distributions determined for all the products. This variability and distributional information contributes to the design of better sampling plans in order to reduce the total variability and to estimate errors in the evaluation of DON concentration in lots of wheat and wheat products.
Registro:
| Documento: | Artículo |
| Título: | Distribution of deoxynivalenol in wheat, wheat flour, bran, and gluten, and variability associated with the test procedure |
| Autor: | Samar, M.M.; Fontán, C.F.; Resnik, S.L.; Pacin, A.M.; Castillo, M.D. |
| Filiación: | Universidad de Buenos Aires, Departamento de Industrias, Fac. de Ciencias Exactas y Naturales, 1428 Buenos Aires, Argentina Universidad de Buenos Aires, Inst. de Física del Plasma, Fac. de Ciencias Exactas y Naturales, 1428 Buenos Aires, Argentina Universidad de Buenos Aires, Departamento de Industrias, Comn. Invest. Cie. P. Buenos Aires, 1428 Buenos Aires, Argentina Universidad Nacional de Luján, Ctro. de Invest. en Micotoxinas, Comn. Invest. Cie. P. Buenos Aires, 6700 Luján, Argentina |
| Palabras clave: | Alcohols; Contamination; Error analysis; Food processing; Food products; Polynomials; Wheat flour; Agricultural products; Triticum aestivum; gluten; trichothecene derivative; vomitoxin; article; chemistry; dietary fiber; flour; wheat; Dietary Fiber; Flour; Gluten; Trichothecenes; Triticum |
| Año: | 2003 |
| Volumen: | 86 |
| Número: | 3 |
| Página de inicio: | 551 |
| Página de fin: | 556 |
| Título revista: | Journal of AOAC International |
| Título revista abreviado: | J AOAC Int |
| ISSN: | 10603271 |
| CODEN: | JAINE |
| CAS: | gluten, 8002-80-0; vomitoxin, 51481-10-8; deoxynivalenol, 51481-10-8; Gluten, 8002-80-0; Trichothecenes |
| Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_10603271_v86_n3_p551_Samar |
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Citas:
---------- APA ----------
Samar, M.M., Fontán, C.F., Resnik, S.L., Pacin, A.M. & Castillo, M.D. (2003) . Distribution of deoxynivalenol in wheat, wheat flour, bran, and gluten, and variability associated with the test procedure. Journal of AOAC International, 86(3), 551-556.Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_10603271_v86_n3_p551_Samar [ ]
---------- CHICAGO ----------
Samar, M.M., Fontán, C.F., Resnik, S.L., Pacin, A.M., Castillo, M.D. "Distribution of deoxynivalenol in wheat, wheat flour, bran, and gluten, and variability associated with the test procedure" . Journal of AOAC International 86, no. 3 (2003) : 551-556.Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_10603271_v86_n3_p551_Samar [ ]
---------- MLA ----------
Samar, M.M., Fontán, C.F., Resnik, S.L., Pacin, A.M., Castillo, M.D. "Distribution of deoxynivalenol in wheat, wheat flour, bran, and gluten, and variability associated with the test procedure" . Journal of AOAC International, vol. 86, no. 3, 2003, pp. 551-556.Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_10603271_v86_n3_p551_Samar [ ]
---------- VANCOUVER ----------
Samar, M.M., Fontán, C.F., Resnik, S.L., Pacin, A.M., Castillo, M.D. Distribution of deoxynivalenol in wheat, wheat flour, bran, and gluten, and variability associated with the test procedure. J AOAC Int. 2003;86(3):551-556.Available from: https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_10603271_v86_n3_p551_Samar [ ]
