The new method with ketones—and to an extent, esters—marks the final step in a quest to expand this powerful approach to all key classes of organic molecules. Despite ketones and esters ...

The annual spring public comment period to the U.S. Department of Agriculture’s National Organic Standards Board (NOSB) is ...

In beer, esters are created during fermentation when alcohol reacts with organic acids to create fruity aromas — though they can also be introduced by adding fruit to the brew. Esters are ...