glyoxylic acid: meaning, definition, pronunciation and examples
Very LowTechnical/Scientific
Quick answer
What does “glyoxylic acid” mean?
A simple organic compound (OCHCOOH) that is both an aldehyde and a carboxylic acid, and a key intermediate in various metabolic and chemical synthesis pathways.
Audio
Pronunciation
Definition
Meaning and Definition
A simple organic compound (OCHCOOH) that is both an aldehyde and a carboxylic acid, and a key intermediate in various metabolic and chemical synthesis pathways.
In biochemistry, it is a crucial metabolite in the glyoxylate cycle, which allows certain organisms to convert fats into carbohydrates. In organic chemistry, it is a versatile building block and reagent, particularly in the synthesis of heterocycles and pharmaceuticals.
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning or usage. Spelling follows national conventions for related general text (e.g., 'synthesise' vs. 'synthesize').
Connotations
None beyond its strict scientific definition.
Frequency
Equally rare and specialised in both variants.
Grammar
How to Use “glyoxylic acid” in a Sentence
The [enzyme] converts [substrate] *into* glyoxylic acid.Glyoxylic acid *reacts with* [compound] to form [product].Vocabulary
Collocations
Examples
Examples of “glyoxylic acid” in a Sentence
adjective
British English
- The glyoxylic acid pathway is essential for these bacteria.
- They studied the glyoxylic acid metabolism in detail.
American English
- The glyoxylic acid cycle is a key anaplerotic route.
- A glyoxylic acid derivative was the final product.
Usage
Meaning in Context
Business
Not used.
Academic
Used in advanced biochemistry, chemistry, and related life science research papers and textbooks.
Everyday
Never used.
Technical
Core term in specific technical contexts describing metabolic pathways (e.g., plant physiology, microbiology) or organic synthesis protocols.
Vocabulary
Synonyms of “glyoxylic acid”
Neutral
Watch out
Common Mistakes When Using “glyoxylic acid”
- Misspelling as 'glioxalic acid'.
- Confusing it with the similar-sounding 'glycolic acid'.
- Using it without necessary scientific context.
FAQ
Frequently Asked Questions
It is not a major human metabolite. The glyoxylate cycle is absent in mammals, but glyoxylic acid can be produced as a minor by-product of metabolism and must be detoxified.
Its primary uses are industrial and synthetic: as a precursor in the production of agrochemicals, pharmaceuticals (e.g., allantoin), aromatics, and as a cross-linking agent in polymers.
It allows organisms like plants, bacteria, and fungi to convert two-carbon compounds (from fatty acids) into four-carbon compounds for carbohydrate synthesis, enabling growth on simple carbon sources like fats or acetate.
It is quite reactive due to its dual functional groups (aldehyde and carboxylic acid). It readily undergoes condensation, oxidation, and reduction reactions, making it a versatile synthon.
A simple organic compound (OCHCOOH) that is both an aldehyde and a carboxylic acid, and a key intermediate in various metabolic and chemical synthesis pathways.
Glyoxylic acid is usually technical/scientific in register.
Glyoxylic acid: in British English it is pronounced /ˌɡlʌɪɒkˈsɪlɪk ˈasɪd/, and in American English it is pronounced /ˌɡlaɪɑːkˈsɪlɪk ˈæsɪd/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think: 'GLY' (like glycine, an amino acid it relates to) + 'OXY' (oxygen/aldehyde group) + 'LIC' (from carboxylic acid).
Conceptual Metaphor
A 'junction' or 'crossroads' molecule, as it sits at the intersection of multiple metabolic and synthetic pathways.
Practice
Quiz
In which biological process is glyoxylic acid a central intermediate?