Journal
JOURNAL OF SENSORY STUDIES
Volume 19, Issue 6, Pages 486-499Publisher
WILEY
DOI: 10.1111/j.1745-459X.2004.082402.x
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The amount of training necessary to adequately train a descriptive panel is a matter of contention. The objectives of this research were to compare the performance of descriptive panelists after short-term (4 h), moderate (60 h) and extensive training (120 h). Seven screened panelists were chosen to evaluate three commercial tomato pasta sauces after each training period. Panelist performance improved with increased training. Sample differences were observed in all texture attributes and some flavor attributes, even after the shortest training time (4 h). However, more differences were found with at least 60 h of product training. After 120 h of training, product differences for all texture attributes and most of the flavor attributes studied could be ascertained by the trained panelists. These results suggested that only limited training may be necessary to find differences among products for many texture attributes and some flavor attributes. However, extensive training may be required to reduce variation among panelists and increase the discriminant abilities of panelists.
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