When asked what to do if offered a lemon for breakfast, AI suggested demanding chocolate instead. However, there are people who genuinely enjoy sour food and would accept the lemons without fuss.
It's usually assumed that adults generally don't like sour food. Previous studies mainly focused on people's reactions to sweet and salty food, neglecting the topic of sourness and those who like sour flavors.
Nevertheless, a recent study with participants from Italy and the US found that one in eight adults are actually 'sour likers'. enjoy foods This is the first time that scientists have explored adults' enjoyment of sourness, though they have previously studied children's responses to sour food.
“Within the traditional evolutionary approach/avoidance framework, sour taste is generally assumed to be a negative taste quality. This is the first time it’s been convincingly shown that there is a segment of adults who like strongly sour things,” the researchers note.
The cross-cultural citric acid experiment
To test adults' liking for sourness, researchers carried out an experiment with participants from the US and Italy, two countries with very different food cultures.
For example, in the US, the most popular drink after bottled water is something, while for Italians, it's something else. coffee Street food preferences also differ between Americans and Italians. it is wineConsidering these cultural differences, researchers had 143 US adults rate water samples with varying citric acid levels, and conducted a similar experiment with 350 Italian adults using pear juice samples.
The participants' ratings measured the intensity of sourness and their overall liking of the taste. Based on this, they were divided into three categories.
The most surprising finding was that both Italian and US participants showed a similar 11-12% preference for sourness, despite their differences in food habits and lifestyle.
“A strong negative group where liking dropped with increased sourness, an intermediate group who showed a more muted drop in liking with more sourness, and a strong positive group where liking increased with more sourness,” the study authors note.
This suggests that there is a significant global population that enjoys sour flavors.
“Italian food culture and American food culture are so wildly different and yet we end up with almost identical percentages, which suggests to us this is not an effect of prior exposure. It’s probably something innately different about those people. We don’t know what that is, but it tells us that it’s not just the foods you grew up with,” Sara Spinelli, first author of the study and a sensory science researcher from the University of Florence, said.
Busting sour myths
It's popularly believed that 'sour likers' can handle extreme tartness because their something are less sensitive to this taste. This means they experience less tartness than others when consuming something sour. taste buds Sourness also receives less attention from food and beverage companies, possibly explaining why most something edible products are sweet, spicy, or salty. However, the study proves that there is a significant consumer base for sour items as well.
“But that’s not what we find. We find the people that like really sour flavor actually experience it just as sour as other people. They simply enjoy it more.” said John Hayes, one of the study authors and a professor of food science at the Pennsylvania State University.
It's worth noting that many fruits, vegetables, and other food items' balance between sourness and sweetness plays a significant role in people's preferences. Moreover, according to the researchers, it is the balance between sourness and sweetness in many fruits, vegetables, and other food items that plays a key role in deciding whether people will like them. it's important to highlight that the citric acid experiment was done with a small group of people. So, more research with a larger number of participants is needed to confirm these results.
The research is released in the publication
“This study highlights the importance of looking at individual differences and potential consumer segments, rather than merely averaging responses across all individuals within a group, because when we average the response, all we see is a dislike of sourness, we lose this subset of people who actually love it,” Spinelli said.
Food Quality and Preference
Some individuals have a particular fondness for tart foods, but their taste hasn't been given attention until now — that's changing. Food Quality and Preference.
