Japan Journal of Food Engineering
Online ISSN : 1884-5924
Print ISSN : 1345-7942
ISSN-L : 1345-7942
Original Papers
Progressive Freeze-concentration of Blueberry Juice and Its Application to Produce Blueberry Wine
Osato MIYAWAKIChiaki OMOTETakashi KOYANAGITetsuya SASAKIHarumi TAKEAkira MATSUDAKana TADOKOROShoji MIWAShigeru KITANO
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2017 Volume 18 Issue 1 Pages 45-51

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Abstract

Progressive freeze-concentration (PFC) of blueberry juice was carried out by a tubular ice system and the original juice at 11.2 Brix was concentrated up to 27.2 Brix. The PFC-concentration was proved to give a high quality concentrate with no substantial change both in organic acid distribution and flavor profile. The PFC-concentrated blueberry juice was fermented to produce a blueberry wine with 11.1 vol-% alcohol content, showing that a high alcohol content can be obtained without chaptalization in the present method. After the fermentation, some changes were observed both in the organic acid distribution and the flavor profile. As a whole, however, the blueberry wine retained enough amount of original blueberry flavors. The present results suggest a possibility to produce a new-type blueberry wine with rich ingredients and flavors.

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© 2017 Japan Society for Food Engineering
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