Effect of the rs2890498 polymorphism of the OBPIIa gene on the human ability to smell single molecules.

doi:10.1016/j.bbr.2021.113127

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Article

Effect of the rs2890498 polymorphism of the OBPIIa gene on the human ability to smell single molecules.

Behavioural brain research - 26 Mar 2021

Melis Melania, Tomassini Barbarossa Iole, Hummel Thomas, Crnjar Roberto, Sollai Giorgia

Abstract excerpt

Most odors of foods and drinks are mixtures of molecules. By means of the coupled Gas Chromatography-Olfactometry (GC-O) technique, single components of flavor mixtures can be separated, identified and verbally evaluated by subjects. The number of single molecules smelled by subjects during GC-O analysis (i.e., the number of odor-active compounds) was previously found to be linearly correlated with odor Threshold...

Topics

Adult
Anosmia
Chromatography, Gas
Female
Humans
Lipocalins
Male
Middle Aged
Olfactory Perception
Polymorphism, Single Nucleotide
Sensory Thresholds

Source

Open in PubMed

Identifiers

PMID: 33422593
DOI: 10.1016/j.bbr.2021.113127

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 30 Aug 2026.

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