Use of auctions to assess consumer value for milk from different packaging.

摘要: ABSTRACT The objective of this study was to evaluate the effect a sensory experience and educational message on consumer value for fluid milk in different containers: translucent high-density polyethylene (HDPE), white-pigmented HDPE (light-block), paperboard. We carried out 11 auction sessions (n = 100). Sessions included an explanation experiment process; survey about demographics purchasing consumption behaviors; evaluation; message; 3 rounds nth price auctions. Consumers were blindly served 2 pairs samples—2% from paperboard HDPE, skim HDPE—and asked indicate their preference level acceptability each, using 7-point hedonic scale. ascribe monetary each sample. also taste assess 2% light-block HDPE. All samples evaluated simultaneously by panel 9 judges who trained quality attributes 15 cm unstructured line same industry source, processed stored timeline session. Results acceptability, descriptive analysis bids analyzed multi-factor ANOVA. Subjecting responses pre- post-surveys k means cluster revealed 4 bidding populations round. Trained panelists detected higher levels light-oxidized off-flavor (5.8 cm) than (2.42 (5.1 (0.32 cm). Although 84% participants regularly purchased plastic containers, consumers' scores fat content but packaging not different. However, consumers gave (5.2/7.0) (4.7/7.0). found no differences (US$) or after received tasted “Certified Fresh Taste” samples, they willing pay more ($0.31 more) ($0.38 with seal ($0.15 ($0.21 without such labeling. could detect difference packages, indicated that would hearing effects light packaging, demonstrating importance external cues freshness.