Ketones, or ketone bodies, are acids your body makes when it’s using fat instead of glucose for energy. Your body gets most of its energy from glucose, a sugar that mainly comes from carbohydrates in …

An aldehyde differs from a ketone in that it has a hydrogen atom attached to its carbonyl group, making aldehydes easier to oxidize. Ketones do not have a hydrogen atom bonded to the carbonyl group, …

Dec 23, 2025 · Ketone, any of a class of organic compounds characterized by the presence of a carbonyl group in which the carbon atom is covalently bonded to an oxygen atom. The remaining two …

May 7, 2025 · What Are Ketones? Ketones, also known as “ketone bodies,” are energy molecules created by the liver from the breakdown of fats. Your body makes ketones when you don’t have …

May 3, 2022 · When it does this, it produces ketones, also known as ketone bodies. If you have high ketone levels, you’re at risk of developing diabetic ketoacidosis (DKA), which can be life threatening.

When the carbonyl group is attached to an aromatic ring, the compound is referred to as an aromatic ketone. If the carbonyl carbon is directly bonded to a benzene ring, it is called an aryl ketone.

Sep 28, 2025 · Ketones are chemicals made by your liver cells when your body breaks down fat for energy. Urine, blood, and breath tests can determine ketone levels.

The ketone functional group is another common and reactive carbonyl-containing group in organic chemistry. Like aldehydes, ketones play a central role in nucleophilic addition reactions, oxidation …

Jun 9, 2025 · A ketone is a compound containing a carbonyl functional group bridging two groups of atoms. The general formula for a ketone is RC (=O)R' where R and R' are alkyl or aryl groups.

Feb 17, 2026 · When and Why to Measure Ketones are molecules produced by the liver when the body shifts from using glucose to using fat as its primary fuel source.1 This process, known as ketosis, …