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Apple variety and maturity profiling of base ciders using UV spectroscopy

Girschik, L, Jones, JE ORCID: 0000-0002-9137-5486, Kerslake, FL ORCID: 0000-0002-1005-4382, Robertson, M, Dambergs, RG and Swarts, ND ORCID: 0000-0002-4527-7658 2017 , 'Apple variety and maturity profiling of base ciders using UV spectroscopy' , Food Chemistry, vol. 228 , pp. 323-329 , doi: 10.1016/j.foodchem.2017.02.012.

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Varietal base ciders were produced from three varieties of dessert apples (‘Pink Lady®’, ‘Royal Gala’ and ‘Red Delicious’) at pre-commercial, commercial and post-commercial harvest timings. Rapid analytical methods were used to categorise the base ciders, and data analysed using principal component analysis (PCA). The titratable acidity of apple must was significantly higher for the pre-commercial harvest fruit for both the ‘Royal Gala’ and ‘Red Delicious’ varieties. The base cider phenolic content was highest in the pre-commercial harvest fruit for all varieties. ‘Red Delicious’ had the highest total phenolics as determined by spectral analysis and supported by the classification provided by the PCA analysis. The spectral fingerprints of the ciders showed two main peaks at approximately 280 nm and 320 nm indicating phenolic concentrations. Studies analysing characteristics of dessert apple varieties with relevance for cider production will allow for informed decision making for both apple producers and cider makers.

Item Type: Article
Authors/Creators:Girschik, L and Jones, JE and Kerslake, FL and Robertson, M and Dambergs, RG and Swarts, ND
Keywords: dessert apple, Tasmania, phenolics, fermentation, UV absorbance, anthocyanin, cider
Journal or Publication Title: Food Chemistry
Publisher: Elsevier Sci Ltd
ISSN: 0308-8146
DOI / ID Number: 10.1016/j.foodchem.2017.02.012
Copyright Information:

Copyright 2017 Elsevier Ltd.

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