lipoic acid: meaning, definition, pronunciation and examples
C2Scientific/Technical
Quick answer
What does “lipoic acid” mean?
A sulfur-containing fatty acid that functions as an essential coenzyme in energy metabolism, particularly in the conversion of carbohydrates into energy.
Audio
Pronunciation
Definition
Meaning and Definition
A sulfur-containing fatty acid that functions as an essential coenzyme in energy metabolism, particularly in the conversion of carbohydrates into energy.
A naturally occurring compound that also acts as a potent antioxidant, regenerating other antioxidants like vitamin C and E, and is studied for its potential benefits in diabetic neuropathy and other conditions.
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning or usage. Spelling conventions follow standard national rules (e.g., 'coenzyme' not affected).
Connotations
Identical technical/scientific connotations in both varieties.
Frequency
Equally low-frequency and specialised in both regions.
Grammar
How to Use “lipoic acid” in a Sentence
[Subject] contains/is a source of lipoic acid.[Subject] is treated/supplemented with lipoic acid.The study investigated the effects of lipoic acid on [Object].Vocabulary
Collocations
Examples
Examples of “lipoic acid” in a Sentence
verb
British English
- The treatment aims to lipoylate the enzyme complex.
American English
- Researchers sought to lipoylate the protein in vitro.
adjective
British English
- The lipoic acid moiety is essential for function.
American English
- They studied the lipoic-acid-dependent pathway.
Usage
Meaning in Context
Business
Used only in the context of pharmaceutical, nutraceutical, or supplement manufacturing and marketing.
Academic
Core term in biochemistry, molecular biology, and nutritional science research papers.
Everyday
Virtually never used except by individuals discussing specific supplements or medical treatments.
Technical
Precise term in clinical nutrition, metabolic pathways, and redox biochemistry.
Vocabulary
Synonyms of “lipoic acid”
Neutral
Weak
Vocabulary
Antonyms of “lipoic acid”
Watch out
Common Mistakes When Using “lipoic acid”
- Misspelling as 'lipolic acid' or 'lipoid acid'.
- Incorrectly classifying it as a vitamin (it is a vitamin-like coenzyme).
- Using it in non-scientific contexts where simpler terms like 'antioxidant' suffice.
FAQ
Frequently Asked Questions
No, it is not classified as a vitamin because the human body can synthesize it in small amounts. It is considered a vitamin-like coenzyme.
It is found in small amounts in organ meats (like liver and heart), spinach, broccoli, potatoes, and yeast.
Alpha-lipoic acid supplements are typically a 50/50 mixture of the R and S enantiomers. The 'R' form is the one naturally produced and used by the body, while the 'S' form is not.
It is most extensively researched and used in Germany for the treatment of diabetic neuropathy, where it is available by prescription.
A sulfur-containing fatty acid that functions as an essential coenzyme in energy metabolism, particularly in the conversion of carbohydrates into energy.
Lipoic acid is usually scientific/technical in register.
Lipoic acid: in British English it is pronounced /lɪˌpəʊ.ɪk ˈæs.ɪd/, and in American English it is pronounced /lɪˌpoʊ.ɪk ˈæs.ɪd/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think 'LIPO' (as in lipid/fat) + 'IC ACID' – a fatty acid that is a key link in metabolism.
Conceptual Metaphor
A SPARK PLUG for cellular energy engines.
Practice
Quiz
In which field is the term 'lipoic acid' primarily used?