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The sensory profile and consumer preference for ten speciality cheeses

机译:十种特色奶酪的感官特征和消费者偏爱

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The sensory characteristics that determined consumer preference for 10 speciality cheeses were investigated. These cheeses were chosen to reflect a wide range of speciality cheeses now available on the Irish market offering a diverse range of sensory characteristics. Descriptive-analysis was carried out by 15 trained assessors who used a vocabulary of 47 terms to quantitatively describe cheese appearance, odour, flavour and texture. Analysis of variance found significant differences between cheeses (p < .05) on the first seven principle components (which accounted for 85% of the explained variation) obtained from Principal Components Analysis of the sensory' data. A total of 198 consumers related their preferences for the cheeses on a nine point hedonic scale. Internal preference mapping illustrated individual consumers' preferences for the cheeses. Hierarchical cluster analysis showed that the sampled consumer population was heterogeneous by identifying seven clusters of consumers with different preferences and demonstrated that there exists a market for the sensory characteristics of each of the cheeses. Partial Least Squares regression was carried out to relate the sensory character of the cheeses with consumer preference scores. Gruyere, the preferred cheese of three clusters of consumers (and the most preferred cheese overall), was distinguished by a 'fruity' odour, a 'balanced' and 'sweet' flavour and a firmness i texture. Blue shropshire, the preferred cheese of two clusters of consumers (but the least liked cheese overall) was characterized by a 'mouldy' odour, an 'acidic', 'astringent' and 'mouldy' flavour and a 'crumbly' texture. Finally, socioeconomic data were obtained from a consumer questionnaire. These data pointed to some interesting relationships between socioeconomic variables and consumer preferences.
机译:调查了确定消费者偏爱10种特殊奶酪的感官特性。选择这些奶酪是为了反映爱尔兰市场上现已提供的具有多种感官特征的多种特色奶酪。描述性分析是由15位训练有素的评估人员进行的,他们使用47个词汇来定量描述奶酪的外观,气味,风味和质地。方差分析发现,从感官数据的主成分分析获得的前七个主要成分(占解释的变异的85%)之间,奶酪之间存在显着差异(p <.05)。共有198位消费者将他们对奶酪的偏爱以9点享乐主义程度进行了描述。内部偏好映射说明了个人消费者对奶酪的偏好。层次聚类分析表明,通过识别具有不同偏好的七个消费者聚类,抽样的消费者群体是异质的,并表明每种奶酪的感官特征都有一个市场。进行了偏最小二乘回归,以将奶酪的感官特征与消费者的偏好得分相关联。格鲁耶尔奶酪是三类消费者中首选的奶酪(也是总体上最优选的奶酪),其特征是“水果味”,“平衡”和“甜”味以及质地坚硬。蓝色什罗普郡是两类消费者中首选的奶酪(但总体上最受欢迎的奶酪)的特征是“发霉”的气味,“酸性”,“涩味”和“发霉”的味道以及“碎”的质地。最后,从消费者调查表中获得社会经济数据。这些数据指出了社会经济变量与消费者偏好之间的一些有趣关系。

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