Biochemical, Sensory, and Molecular Evaluation of Flavour and Consumer Acceptability in Australian Papaya (Carica papaya L.) Varieties

Inconsistency in flavour is one of the major challenges to the Australian papaya industry. However, objectively measurable standards of the compound profiles that provide preferable taste and aroma, together with consumer acceptability, have not been set. In this study, three red-flesh papayas (i.e., 'RB1', 'RB4', and 'Skybury') and two yellow-flesh papayas (i.e., '1B' and 'H13') were presented to a trained sensory panel and a consumer panel to assess sensory profiles and liking. The papaya samples were also examined for sugar components, total soluble solids, and 14 selected volatile compounds. Additionally, the expression patterns of 10 genes related to sweetness and volatile metabolism were assessed. In general, red papaya varieties had higher sugar content and tasted sweeter than yellow varieties, while yellow varieties had higher concentrations of citrus floral aroma volatiles and higher aroma intensity. Higher concentrations of glucose, linalool oxide, and terpinolene were significantly associated with decreased consumer liking. Significant differences were observed in the expression profiles of all the genes assessed among the selected papaya varieties. Of these, cpGPT2 and cpBGLU31 were positively correlated to glucose production and were expressed significantly higher in '1B' than in 'RB1' or 'Skybury'. These findings will assist in the strategic selective breeding for papaya to better match consumer and, hence, market demand.

Medienart:

E-Artikel

Erscheinungsjahr:

2022

Erschienen:

2022

Enthalten in:

Zur Gesamtaufnahme - volume:23

Enthalten in:

International journal of molecular sciences - 23(2022), 11 vom: 05. Juni

Sprache:

Englisch

Beteiligte Personen:

Zhou, Ziwei [VerfasserIn]
Bar, Ido [VerfasserIn]
Ford, Rebecca [VerfasserIn]
Smyth, Heather [VerfasserIn]
Kanchana-Udomkan, Chutchamas [VerfasserIn]

Links:

Volltext

Themen:

Carbohydrates
Consumer acceptability
Flavoring Agents
Gene expression
Glucose
IY9XDZ35W2
Journal Article
Papaya flavour
Sensory descriptive analysis
Sugars
Sweetness
Volatiles

Anmerkungen:

Date Completed 13.06.2022

Date Revised 16.07.2022

published: Electronic

Citation Status MEDLINE

doi:

10.3390/ijms23116313

funding:

Förderinstitution / Projekttitel:

PPN (Katalog-ID):

NLM342046888