Branding and labeling have the most impact on the purchase decision, according to a study conducted in Germany using wine as the model. The results of the study published in Food Quality and Preference, documented the evaluations by 520 wine drinkers in diverse cities in Germany. Label style and brand evaluation were the important elements in motivating purchase followed by blind taste tests.

Although aroma and flavor are regarded as important attributes in determining egg quality, precise measurements of these characteristics have yet to be evaluated using appropriate techniques. Average consumers usually are not in a position to consistently distinguish differences in taste among generic eggs. In contrast, studies have indicated preferences for specialty eggs, which have superior taste attributes attributed to modified nutrition of hens, freshness and handling through the entire chain from production through to point of sale.