An Aromatic Tomato Could Be Looming – A La Heirloom Varieties, Say UF Scientists

You can scarcely find a tasty, heirloom tomato in the grocery store. But University of Florida scientists helped discover a way to enhance tomato smell and taste. Breeding efforts over the last half-century have emphasized traits that are important to producers – yield, disease resistance, appearance, and post-harvest shelf life among them.

While those traits are important, modern commercial varieties tend to fall short of the flavor potential shown in older varieties. But consumers want tomatoes that taste and smell good.

Indeed, in a study published in 2012, consumers who taste-tested several tomato varieties preferred tomatoes with high levels of nitrogenous volatiles.

For years, consumers have lamented what they deem as the bland taste of tomatoes. Any flavor you savor when you bite into the fruit comes from a combination of many aroma compounds. Some of those compounds contain nitrogen, and they add fruity, floral, and tomato vine profiles to the flavor mix. Working on an international team of scientists, two UF/IFAS researchers helped find a route to several important nitrogen-containing tomato flavor compounds.

In a newly published study, scientists showed that five of the compounds are part of a biochemical pathway for the synthesis of these important flavor compounds.

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