New Zealand Journal of Crop and Horticultural Science abstracts
Sensory characteristics and consumer acceptability of `Pink Lady'
and other late-season apple cultivars
VIRGINIA K. CORRIGAN
PAUL L. HURST
GERALDINE BOULTON
New Zealand Institute for Crop & Food
Research Limited
Private Bag 4005
Levin, New Zealand
Abstract `Pink Lady' is a late maturing `Lady Williams' x
`Golden Delicious' apple (Malus domestica Borkh.) cultivar developed in
Western Australia and imported into New Zealand by the Ministry of Agriculture
and Fisheries in 1986. We used trained and consumer panellists, and chemical
and physical analyses, to compare the sensory quality of `Pink Lady' with that
of four standard late-harvest apple cultivars. If acceptable, the new apple
could usefully extend the harvest season of New Zealand apples. Trained taste
panellists gave `Pink Lady' apples similar ratings to `Braeburn' and `Fuji'
apples for texture, sweet-sour balance and flavour, but lower ratings for
juiciness. `Pink Lady' was a firm apple as measured by penetrometer, and
Instron texture measurements indicated it was a hard, crisp apple. `Pink Lady',
`Braeburn', and `Fuji' apples were rated higher for acceptability than `Granny
Smith' and `Red Dougherty' by the consumer panel, who said they would buy these
cultivars and pay more for them. Consumers also preferred the appearance of
`Pink Lady' apples. Changes in sensory quality during storage (as measured by
sweetness, flavour, crispness, and juiciness) were similar for `Pink Lady' and
the four late-maturing commercial cultivars tested. `Pink Lady' had a musty
off-flavour initially that disappeared during storage, whereas other cultivars
developed metallic, "old", and alcoholic flavours. `Pink Lady' apples browned
quite slowly when sliced. Compositional analysis showed `Pink Lady' was
relatively high in dry matter, soluble solids, and titratable acids.
Keywords sensory quality; apple; cultivar; Malus
domestica; `Braeburn'; `Fuji'; `Granny Smith'; `Pink Lady'; `Red
Dougherty'
New Zealand Journal of Crop and Horticultural Science, 1997, Vol. 25:
375-383
0114-0671/97/2504-0375 $7.00/0 (c) The Royal Society of New Zealand
1997
PDF file of entire paper: medium quality (693K); (scanned from paper original: notes about this process)
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