Astringency Sensitivity to Tannic Acid: Effect of Ageing and Saliva.
astringency
elderly
proline-rich-protein
saliva
tannic acid
threshold
Journal
Molecules (Basel, Switzerland)
ISSN: 1420-3049
Titre abrégé: Molecules
Pays: Switzerland
ID NLM: 100964009
Informations de publication
Date de publication:
28 Feb 2022
28 Feb 2022
Historique:
received:
17
01
2022
revised:
25
02
2022
accepted:
28
02
2022
entrez:
10
3
2022
pubmed:
11
3
2022
medline:
1
4
2022
Statut:
epublish
Résumé
Astringency is an important sensory characteristic of food and beverages containing polyphenols. However, astringency perception in elderly people has not been previously documented. The aim of the present work was to evaluate sensitivity to astringency as a function of age, salivary flow and protein amount. Fifty-four panellists, including 30 elderly people (age = 75 ± 4.2 years) and 24 young people (age = 29.4 ± 3.8 years), participated in this study. Astringency sensitivity was evaluated by the 2-alternative forced choice (2-AFC) procedure using tannic acid solutions. Whole saliva was collected for 5 min before and after the sensory tests. The results showed that the astringency threshold was significantly higher in the elderly group than the young group. No correlation was observed between the salivary protein amount and threshold value. However, a negative correlation between salivary flow and threshold was observed in the young group only. These results showed a difference in oral astringency perception as a function of age. This difference can be linked to salivary properties that differ as a function of age.
Identifiants
pubmed: 35268718
pii: molecules27051617
doi: 10.3390/molecules27051617
pmc: PMC8911968
pii:
doi:
Substances chimiques
Astringents
0
Tannins
0
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Subventions
Organisme : China Scholarship Council
ID : 201808330410
Organisme : GIRACT Fundation
ID : N/A
Organisme : Conseil Régional Bourgogne, Franche-Comte
ID : N/A
Organisme : European Funding for Regional Economic Development
ID : N/A
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