Control of quality and silo storage of sunflower seeds using near infrared technology


  • I. González-Martín Departamento de Química Analítica, Nutrición y Bromatología, Facultad de Ciencias Químicas. Universidad de Salamanca
  • V. Villaescusa-García Departamento de Química Analítica, Nutrición y Bromatología, Facultad de Ciencias Químicas. Universidad de Salamanca - Compañía Española Comercializadora de Oleaginosas, S.A.
  • F. López-González Compañía Española Comercializadora de Oleaginosas, S.A.
  • C. Oiz-Jiménez Compañía Española Comercializadora de Oleaginosas, S.A.
  • I. A. Lobos-Ortega Departamento de Química Analítica, Nutrición y Bromatología, Facultad de Ciencias Químicas. Universidad de Salamanca
  • B. Gordillo Lab. Color y Calidad de Alimentos, Universidad de Sevilla
  • J. M. Hernández-Hierro Lab. Color y Calidad de Alimentos, Universidad de Sevilla



Near infrared spectroscopy, Oleic acid, Quality control, Sunflower seeds


This work assesses the application of near infrared spectroscopy technology for the quality control of sunflower seeds direct from farmers and from a storage silo. The results show that the analytical method employing near infrared spectroscopy can be used as a rapid and non-destructive tool for the determination of moisture, fat and high/low oleic acid contents in samples of sunflower seeds. The ranges obtained were comparable to those reported for classic chemical methods, and were between 4.6-21.4% for moisture; 38.4-49.6% for fat, and 60.0-93.1% for oleic acid expressed as percentage of total fatty acids. A stepwise discriminant analysis was performed to determine the most useful wavelengths for classifying sunflower seeds in terms of their (high/low) oleic acid composition. The discriminant model allows the classification of sunflower seeds with high or low oleic acid contents, with a prediction rate of 90.5% for internal validation and of 89.4% for cross-validation.


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How to Cite

González-Martín I, Villaescusa-García V, López-González F, Oiz-Jiménez C, Lobos-Ortega IA, Gordillo B, Hernández-Hierro JM. Control of quality and silo storage of sunflower seeds using near infrared technology. Grasas aceites [Internet]. 2013Mar.30 [cited 2024Mar.4];64(1):30-5. Available from: