histaminase: meaning, definition, pronunciation and examples
Very LowTechnical/Scientific
Quick answer
What does “histaminase” mean?
An enzyme that breaks down histamine.
Audio
Pronunciation
Definition
Meaning and Definition
An enzyme that breaks down histamine.
A diamine oxidase enzyme (EC 1.4.3.22) that catalyzes the oxidative deamination of histamine and other diamines, thereby inactivating them. It plays a role in regulating histamine levels in tissues and is found in various organs including the kidneys, intestines, and placenta.
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning or usage. Spelling is identical.
Connotations
None beyond the technical definition.
Frequency
Equally rare in both varieties, confined to specialist literature.
Grammar
How to Use “histaminase” in a Sentence
The [noun] exhibits histaminase activity.Histaminase breaks down [object].A deficiency in histaminase leads to [result].Vocabulary
Collocations
Examples
Examples of “histaminase” in a Sentence
adjective
British English
- The histaminase pathway is crucial.
- Histaminase activity was measured.
American English
- The histaminase pathway is critical.
- Histaminase activity was assayed.
Usage
Meaning in Context
Business
Not used.
Academic
Used in research papers on biochemistry, immunology, or gastroenterology.
Everyday
Virtually never used.
Technical
The primary context; used in clinical, laboratory, and pharmacological discussions.
Vocabulary
Synonyms of “histaminase”
Strong
Neutral
Weak
Vocabulary
Antonyms of “histaminase”
Watch out
Common Mistakes When Using “histaminase”
- Misspelling as 'histaminaze' or 'histaminise'.
- Using it as a verb (e.g., 'to histaminase').
- Confusing it with antihistamines (which block receptors, not break down the molecule).
FAQ
Frequently Asked Questions
No. Antihistamines are drugs that block histamine receptors. Histaminase is a natural enzyme that chemically degrades histamine.
It is found in tissues like the small intestine, kidneys, and placenta, where it helps regulate local histamine levels.
Yes, diamine oxidase (DAO) supplements, derived from porcine kidney or produced via fermentation, are available to support histamine breakdown, often for dietary histamine intolerance.
Reduced histaminase activity can lead to histamine intolerance, where histamine from food or internal production builds up, potentially causing symptoms like headaches, hives, digestive issues, or nasal congestion.
An enzyme that breaks down histamine.
Histaminase is usually technical/scientific in register.
Histaminase: in British English it is pronounced /hɪˈstæmɪneɪz/, and in American English it is pronounced /hɪˈstæməˌneɪs/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “None”
Learning
Memory Aids
Mnemonic
Think: HISTAMIN-ASE. 'Histamin' is the target, '-ase' is the enzyme suffix (like in 'amylase' or 'lipase'). It's the 'ase' that erases the histamine.
Conceptual Metaphor
ENZYME AS A REGULATOR or CHEMICAL SCISSORS.
Practice
Quiz
What is the primary function of histaminase?