BITTER ORANGE NATURALLY FORTIFIED AROMA- SÉLECTARÔME 115 ml

This means the base aroma comes from natural bitter orange sources, but it's been enhanced with other natural ingredients to improve the intensity and/or complexity of the bitter orange flavor and/or aroma. It's likely used in food or other products. For a complete list of ingredients and details on the fortification process, you'd need to check the product packaging or contact the manufacturer.