One of these ketones is acetone, which is often perceived as sweet or fruity, but can also carry a vinegar-like smell. In general though, there's limited data about the way this diet affects BO. Why does my sweat smell like ammonia when I sleep? It's difficult to say exactly why ...
The former was used to measure the adhesion/release of 14C-labeled isovaleric acid, a representative substance of sweat odor, to/from knitted fabrics91; and the latter was utilized to quantify the adsorption/emission of four representative VOCs (acetone, ammonia, acetic acid, and butyric acid) ...