Abstract
Fruitiness is a highly desirable aroma quality in white wines. This study aimed to investigate the fruitiness aroma perception of white wines using a rapid sensory method and to compare the sensory maps obtained from wine experts and trained consumers. A polarized projective mapping (PPM) method was adapted by using fruit standards as fixed poles. Twenty-one white wines were selected for this study. Ten wine experts and twelve trained consumers participated in the adapted PPM followed by ultra-flash profiling (UFP). While experts and trained consumers used different poles to characterize the Pinot Gris and Viogniers, both panels used the stone fruit pole for the Chardonnays. UFP revealed that the Pinot Gris and Viognier samples presented fruity and floral aromas and most Chardonnay wines presented non-fruity aromas. The white wines investigated presented a wide range of fruity aromas. The use of aroma standards instead of products as poles seems to be a reliable alternative to investigate fruitiness in white wines. This study helped us to understand the predominant aromas of varietal white wines from Oregon and emphasized the importance of adapting sensory methods to investigate fruitiness perception.
Highlights
Fruitiness is a highly desired sensory quality of white wine aroma [1,2,3]
The white wines from Oregon investigated in this study presented a wide range of fruity aromas, most commonly tropical fruit, citrus and stone fruit
Oaky, vegetal and spoilage aromas were observed to a lesser extent in specific wines. Due to their stability and easy reproducibility, the use of aroma standards instead of products showed positive results; it seems to be a reliable alternative for the investigation of fruitiness aroma perception
Summary
Fruitiness is a highly desired sensory quality of white wine aroma [1,2,3]. Rapid and holistic descriptive methods have become more and more common to determine the sensory aspects of wine. While DA is undoubtedly a reliable method, the long hours of training and expense make it unattractive and unaffordable in many scenarios [5]. Novel sensory techniques, such as projective mapping or Napping® [6] and polarized sensory positioning (PSP) [7], offer a holistic approach. They are rapid, low-cost, require little or no training and can be used with both trained and naïve subjects [5,8]
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