Gurdian Cristhiam E, Torrico Damir D, Li Bin, Prinyawiwatkul Witoon
School of Nutrition and Food Sciences, Louisiana State University, Agricultural Center, Baton Rouge, LA 70803, USA.
Department of Wine, Food and Molecular Biosciences, Faculty of Agriculture and Life Sciences, Lincoln University, Lincoln 7647, New Zealand.
Foods. 2022 Jan 25;11(3):337. doi: 10.3390/foods11030337.
Sustainable and nutritious alternatives are needed to feed the ever-increasing world population. The successful incorporation of edible-cricket protein (ECP) into foods needs deeper consumer insights. Treatments (plain, Italian, and Cajun pita chips containing 6.9% ECP) were evaluated by subjects for overall liking (OL), emotions, and purchase intent (PI) in three different moments: (1) before tasting, (2) after tasting/before ECP statement, and (3) after tasting/after ECP statement. Attributes' liking scores were evaluated only after tasting/before ECP statement. Liking scores (mixed-effects ANOVA), emotions, and PI across moments within treatments/across treatments within moments were evaluated. Emotion-based penalty-lift analyses for OL within moments were assessed using two-sample -tests ( < 0.05). Random forest model analyzed after-tasting informed PI and variables' importance. Although formulations' OL and PI were similar across moments, plain and Italian chips had higher after-tasting (before and after ECP statement) OL than the Cajun chips. Moments indirectly affected OL via emotions elicitation. Valence and activation/arousal emotions discriminated across moments for the plain treatment whereas valence and mostly activation/arousal terms discriminated across moments for the Italian and Cajun treatments, respectively. For either formulation or moment, "interested" and "adventurous" positively affected OL. Before and after-tasting attribute liking, "satisfied," and "enthusiastic" emotions were critical in predicting after-tasting informed PI.
需要可持续且营养丰富的替代品来养活不断增长的世界人口。将可食用蟋蟀蛋白(ECP)成功融入食品需要更深入地了解消费者。研究人员让受试者在三个不同时间点对不同处理方式(分别为含有6.9% ECP的原味、意大利风味和卡真风味皮塔薯片)进行总体喜好(OL)、情感和购买意愿(PI)评估:(1)品尝前;(2)品尝后/在提及ECP之前;(3)品尝后/在提及ECP之后。属性喜好得分仅在品尝后/提及ECP之前进行评估。对处理方式内不同时间点的喜好得分(混合效应方差分析)、情感和购买意愿,以及不同时间点内不同处理方式之间的上述指标进行了评估。使用双样本检验(<0.05)对不同时间点内基于情感的总体喜好惩罚提升分析进行评估。随机森林模型分析了品尝后得知的购买意愿及变量的重要性。尽管不同时间点的配方总体喜好和购买意愿相似,但原味和意大利风味薯片在品尝后(提及ECP之前和之后)的总体喜好高于卡真风味薯片。时间点通过引发情感间接影响总体喜好。对于原味处理方式,效价和激活/唤醒情感在不同时间点存在差异,而对于意大利风味和卡真风味处理方式,效价和主要是激活/唤醒方面的词汇在不同时间点分别存在差异。对于任何一种配方或时间点,“感兴趣”和“爱冒险”对总体喜好有积极影响。在品尝前后的属性喜好方面,“满意”和“热情”的情感对预测品尝后得知的购买意愿至关重要。