Descriptive analysis and US consumer acceptability of peanuts from different origins
2005
Young, N.D. | Sanders, T.H. | Drake, M.A. | Osborne, J. | Civille, G.V.
The objective of this study was to evaluate descriptive and consumer flavor responses to peanuts (Arachis hypogaea, runner type) from different production origins: United States, China, and Argentina. Twenty, 25-lb samples from lots exported from each country (total=60) were randomly selected. After roasting, peanuts were evaluated using descriptive sensory analysis. Six samples from each origin, which covered the sensory space of all samples from that origin were selected for consumer testing in the United States. Consumers (n=100) evaluated peanuts for overall liking and the strength/intensity for liking of: color, flavor and texture attributes using a nine-point hedonic scale. Descriptive sensory profiles, specific for the different origins, were observed (p<0.05). Consumer scores for overall liking were United States>China>Argentina, respectively. Overall and flavor liking exhibited strong correlation with strength/intensity for liking characteristics of many of the attributes studied (p<0.05). This study demonstrated that production origin impacts descriptive sensory attribute intensity and consumer preference of roasted peanuts.
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