Instrumental and Sensory Evaluation of Eating Quality of Peaches and Nectarines.

Paolo Inglese, Infante, Claudia Di Miceli

Risultato della ricerca: Other

1 Citazione (Scopus)

Abstract

The influence of flesh firmness on consumer acceptance and its relationshipwith total soluble solids (TSS), titratable acidity (TTA) and sensory analysis were studied for fruits of ‘September Sun’ and ‘Sweet September’ (low acid) peach (Prunus persica (L.) Batsch), and ‘Maria Dolce’ (low acid) and ‘Venus’ nectarine(Prunus persica (L.) Batsch, var. nucipersica) cultivars. Sensory descriptors, assessed by a short-trained panel, were firmness, sweetness, sourness, aroma, acceptability.Different stages of fruit firmness did not always result in significant differences of TSS, TTA and their ratio, but the panel was able to discriminate fruit ripening stages, in terms of fruit firmness, aroma and sweetness and to relate them to fruitacceptability. Acceptability of fruits with a 3.2 to 5.3 kg cm-2 firmness was similar, provided they had a high TSS, TSS/TTA and aroma. Values of flesh firmness higher than 5.5 kg cm-2 always resulted in unacceptable fruit quality. A threshold TSSC/TTA value cannot be used as a single marker for eating quality, since it may range among cultivars, while fruit aroma is the limiting factor for the consumers’choice.
Lingua originaleEnglish
Pagine473-480
Numero di pagine8
Stato di pubblicazionePublished - 2012

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nectarines
peaches
sensory evaluation
firmness
ingestion
total soluble solids
titratable acidity
fruits
odors
sweetness
Prunus persica
sourness
consumer acceptance
acids
cultivars
fruit quality
ripening

All Science Journal Classification (ASJC) codes

  • Horticulture

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Instrumental and Sensory Evaluation of Eating Quality of Peaches and Nectarines. / Inglese, Paolo; Infante; Di Miceli, Claudia.

2012. 473-480.

Risultato della ricerca: Other

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N2 - The influence of flesh firmness on consumer acceptance and its relationshipwith total soluble solids (TSS), titratable acidity (TTA) and sensory analysis were studied for fruits of ‘September Sun’ and ‘Sweet September’ (low acid) peach (Prunus persica (L.) Batsch), and ‘Maria Dolce’ (low acid) and ‘Venus’ nectarine(Prunus persica (L.) Batsch, var. nucipersica) cultivars. Sensory descriptors, assessed by a short-trained panel, were firmness, sweetness, sourness, aroma, acceptability.Different stages of fruit firmness did not always result in significant differences of TSS, TTA and their ratio, but the panel was able to discriminate fruit ripening stages, in terms of fruit firmness, aroma and sweetness and to relate them to fruitacceptability. Acceptability of fruits with a 3.2 to 5.3 kg cm-2 firmness was similar, provided they had a high TSS, TSS/TTA and aroma. Values of flesh firmness higher than 5.5 kg cm-2 always resulted in unacceptable fruit quality. A threshold TSSC/TTA value cannot be used as a single marker for eating quality, since it may range among cultivars, while fruit aroma is the limiting factor for the consumers’choice.

AB - The influence of flesh firmness on consumer acceptance and its relationshipwith total soluble solids (TSS), titratable acidity (TTA) and sensory analysis were studied for fruits of ‘September Sun’ and ‘Sweet September’ (low acid) peach (Prunus persica (L.) Batsch), and ‘Maria Dolce’ (low acid) and ‘Venus’ nectarine(Prunus persica (L.) Batsch, var. nucipersica) cultivars. Sensory descriptors, assessed by a short-trained panel, were firmness, sweetness, sourness, aroma, acceptability.Different stages of fruit firmness did not always result in significant differences of TSS, TTA and their ratio, but the panel was able to discriminate fruit ripening stages, in terms of fruit firmness, aroma and sweetness and to relate them to fruitacceptability. Acceptability of fruits with a 3.2 to 5.3 kg cm-2 firmness was similar, provided they had a high TSS, TSS/TTA and aroma. Values of flesh firmness higher than 5.5 kg cm-2 always resulted in unacceptable fruit quality. A threshold TSSC/TTA value cannot be used as a single marker for eating quality, since it may range among cultivars, while fruit aroma is the limiting factor for the consumers’choice.

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