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Consumer preferences and sensory characteristics of eggs from family farms

机译:家庭农场的消费者偏好和鸡蛋的感官特征

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摘要

The objective of this study was to evaluate consumer habits as well as the sensory perception and characteristics of farm eggs produced in Los Ríos, Chile. Data were collected from an online survey of 197 respondents and a sensory evaluation carried out by 30 untrained panelists of 4 types of eggs (brown-shell and blue-shell eggs acquired from family farms, free-range eggs acquired from large, industrial systems, and white-shell cage eggs from industrial, cage systems.) To evaluate differences and preferences, data were analyzed in a GLM. In addition, sensory evaluation was analyzed using principal component analysis. In accordance with the survey, 99% of the participants eat eggs (P < 0.001), 58% eat 1 to 3 eggs/wk, and 84% declared to consume eggs at home (<0.0001). Surveyed participants reported that price and size are the determining factors (31%) when purchasing eggs. Among the physical characteristic for consumers, yolk color was the most important attribute rather than white color, egg appearance, texture, flavor, or odor. In the consumer acceptability test, farm eggs (either brown or blue shell) received the most favorable sensory evaluation by the panel and were preferred to both free-range and white-shell cage eggs. Yolk color was the most influential parameter in making this difference. Brown farm eggs were predominately selected for greatest general satisfaction by participants in both the sensory evaluation (P = 0.008) and in the survey (40%; P = 0.026). There were no differences between farm eggs (brown and blue shell, P > 0.05) in the evaluated parameters. There was a consequence in the information given from surveyed consumers and the sensory panel with the yolk color.
机译:本研究的目的是评估消费者的习惯以及智利洛西斯生产的农场卵的感官感知和特征。从197名受访者的在线调查中收集了数据,并由30种鸡蛋的30种未培训的小组成员进行的感官评估(棕色 - 壳和来自家庭农场的蓝壳蛋,从大型,工业系统获得的自由放养的鸡蛋,来自工业,笼系统的白色壳笼蛋。)为了评估差异和偏好,在GLM中分析数据。此外,使用主成分分析分析感官评估。根据调查,99%的参与者吃鸡蛋(P <0.001),58%吃1至3个鸡蛋/周,84%宣称在家里消耗鸡蛋(<0.0001)。被调查的参与者报告说,购买鸡蛋时的价格和规模是决定因素(31%)。在消费者的物理特征中,卵黄色是最重要的属性而不是白色,鸡蛋外观,质地,味道或气味。在消费者可接受性测试中,农场蛋(棕色或蓝壳)接受了面板最有利的感官评估,并且优选自由射程和白色壳笼蛋。 yolk颜色是在制作这种差异方面最有影响力的参数。在感官评估(P = 0.008)和调查中,参与者主要选择棕色农场蛋,以获得最大的一般性满意度(40%; P = 0.026)。在评估参数中,农场蛋(棕色和蓝色壳,P> 0.05)之间没有差异。从调查的消费者和蛋黄颜色的感官面板给出的信息存在后果。

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