Organic vs conventional tomato taste
Pro Research Analysisby 
Searched over 200M research papers
Consumer Taste Preferences: Organic vs Conventional Tomatoes
Several studies have investigated whether consumers can taste a difference between organic and conventional tomatoes, and if so, which they prefer. In multiple blind taste tests, a majority of participants preferred the taste of conventional tomatoes over organic ones, often citing greater sweetness and less sourness as reasons for their preference Wees1995Gilsenan2012Gilsenan2007. For example, in one study, 73% and 67% of participants in two consecutive years preferred conventional tomatoes, while only 20-24% preferred organic . Another study found that even among regular organic buyers, 81% preferred the taste of conventional tomatoes, mainly due to their sweetness .
However, not all research found a clear preference. Some studies reported no significant differences in taste, texture, or appearance between organic and conventional tomatoes, suggesting that the perceived differences may not always be strong or consistent Gilsenan2006Basker1992. In a sensory analysis with semi-trained panelists, no significant differences were found in taste, texture, or appearance between the two types . Similarly, another study found no significant differences in hedonic ratings for tomatoes, with no consistent preference pattern emerging .
Sensory and Chemical Differences: Sweetness, Acidity, and Flavor
Instrumental and sensory analyses have shown that conventional tomatoes are often rated as sweeter and less sour than organic tomatoes, which may explain their higher preference in taste tests Gilsenan2012Gilsenan2007. Conventional tomatoes have been found to have higher °Brix (a measure of sugar content) and reducing sugars, contributing to their sweeter taste .
On the other hand, some studies have found that organic tomatoes can have a more favorable sugar-to-acid ratio, leading to a more pleasant flavor for some panelists . Organic tomatoes were sometimes described as softer, juicier, and having better flavor and aroma, while conventional tomatoes were described as less ripe and drier . Additionally, organic tomatoes have been found to have higher levels of certain bioactive compounds, such as lycopene, vitamin C, phenolics, and flavonoids, which may influence their taste and nutritional value Vinha2014Leiva-Brondo2015. Organic cultivation was also associated with higher glucose and fructose content in some cases, potentially enhancing sweetness .
Influence of Ripeness and Other Factors
Some studies suggest that differences in taste may be influenced by factors such as ripeness at harvest rather than the farming method alone. For example, conventional tomatoes were sometimes rated as having a stronger flavor, but this was correlated with higher ripeness scores, making it difficult to attribute the difference solely to organic or conventional practices .
Consumer Attitudes and Perceptions
Despite the frequent preference for conventional tomatoes in taste tests, many consumers believe that organic produce is healthier and more environmentally friendly Gilsenan2007Zhao2007. However, taste remains a key factor in purchasing decisions, and price is often cited as a deterrent to buying organic tomatoes .
Conclusion
Overall, research shows that while some consumers can distinguish between organic and conventional tomatoes, conventional tomatoes are often preferred for their sweeter taste and less sour flavor. However, not all studies find significant differences, and some report that organic tomatoes have a more favorable sugar-to-acid ratio and higher levels of beneficial compounds. Taste preferences may also be influenced by factors such as ripeness and individual consumer attitudes. The evidence suggests that the difference in taste between organic and conventional tomatoes is not universal and may depend on specific growing conditions, tomato varieties, and consumer expectations.
Sources and full results
Most relevant research papers on this topic
Do Organic Cherry Vine Tomatoes Taste Better Than Conventional Cherry Vine Tomatoes? A Sensory and Instrumental Comparative Study from Ireland
Conventional cherry vine tomatoes taste sweeter and less sour than organic tomatoes, with no significant differences observed in color, size, firmness, pH, and dry matter values.
Organic versus conventional tomatoes: influence on physicochemical parameters, bioactive compounds and sensorial attributes.
Organic tomatoes are richer in lycopene, vitamin C, and other bioactive compounds, and have higher antioxidant activity compared to conventional tomatoes.
DOI
Sugar and acid profile of processing tomato cultivars grown under conventional or organic conditions
Organic cultivation of high lycopene tomato cultivars can enhance sugar accumulation and ratios, potentially combining high organoleptic and functional quality for quality markets.
DOI