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  1. Ketone - Wikipedia

    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, …

  2. Ketones: What They Are, Function, Tests & Normal Levels

    Aug 8, 2023 · 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 …

  3. Ketone | Definition, Properties, & Facts | Britannica

    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 …

  4. What are Ketones? Types, Benefits, and How to Test

    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 …

  5. Ketones: Urine, Blood, and Breath Tests - Health

    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.

  6. Ketone Levels: How to Test and What It Means - Verywell Health

    Oct 10, 2025 · Your ketone levels can give you critical information about your body. Find out how to check your ketone levels and determine what the results mean.

  7. Ketone Functional Group: Definition, Structure, and Examples

    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.

  8. What are ketones? | Ketones in diet | Diabetes UK

    This can be life-threatening, so it's important to be aware of your ketone level. On this page, we'll explain what ketones are and go through how to spot the symptoms.

  9. Ketones - Diabetes Teaching Center

    The fats travel through the blood circulation to reach the liver where they are processed into ketone units. The ketone units then circulate back into the bloodstream and are picked up by the muscle and …

  10. What Are Ketones in Chemistry? - California Learning Resource Network

    Jan 23, 2025 · At the heart of a ketone is the sp 2 hybridized carbon atom of the carbonyl group. This hybridization results in a trigonal planar geometry around the carbonyl carbon, with bond angles …