Changes in colour parameters and anthocyanin content of aseptically filled sour cherry juice during storage

Ribárszki, Ákos and Székely, Dóra and Szabó-Nótin, Beatrix and Stégerné Máté, Mónika (2022) Changes in colour parameters and anthocyanin content of aseptically filled sour cherry juice during storage. PROGRESS IN AGRICULTURAL ENGINEERING SCIENCES, 18 (1). pp. 61-76. ISSN 1786-335X

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Abstract

To overcome the problems of seasonality and geographical location in fruit production and processing, the production of aseptic semi-finished juice is an excellent solution. Even without refrigeration, aseptic pressing has a shelf life of more than a year, making it possible to produce finished products all year round. The production technology involves the addition of ascorbic acid to the pulp to fix or preserve colour. There is an increasing customer demand for ascorbic acid substitutes on the international market. In Hungary, one of the most important exports is aseptic sour cherry juice. In our work, ascorbic acid used for colour fixation was replaced by acerola concentrate. The anthocyanin content and colour coordinate values (Lp, ap, bp, H, C) of aseptically filled sour cherry juice were determined and compared with the control sample during the 12 months of storage.

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