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Predicting Scab, Vomitoxin, and Ergosterol in Single Wheat Kernels Using Near‐Infrared Spectroscopy
Author(s) -
Dowell F. E.,
Ram M. S.,
Seitz L. M.
Publication year - 1999
Publication title -
cereal chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.558
H-Index - 100
eISSN - 1943-3638
pISSN - 0009-0352
DOI - 10.1094/cchem.1999.76.4.573
Subject(s) - ergosterol , chemistry , food science , infrared , biochemistry , optics , physics
Near‐infrared spectroscopy (NIRS) was used to detect scab damage and estimate deoxynivalenol (DON) and ergosterol levels in single wheat kernels. Results showed that all scab‐damaged kernels identified by official inspectors were correctly identified by NIRS. In addition, this system identified more kernels with DON than did a visual inspection. DON and ergosterol were predicted with standard errors of ≈40 and 100 ppm, respectively. All samples with visible scab had single kernels with DON levels >120 ppm, and some kernels contained >700 ppm of DON. This technology may provide a means of rapidly screening samples for potential food safety and quality problems related to scab damage.