Ethyl maltol, a white crystalline powder with the chemical formula C7H8O3, is a commonly used synthetic flavoring agent by providing caramel and cotton candy sweet taste in fruit based foods, confectionery, bakery, beverages, and wines.  

Conclusion
Now you may have a knowledge of the flavor – ethyl maltol, from the following aspects:

Production process
Comparison with maltol
Uses
Safety

What kinds of food labels have you found this ingredient in? Or if you have any questions or remarks about this additive, feel free to let me know in the comments.

http://www.chinafooding.com/Ethyl_Maltol