Application of an Electromagnetic Field for Extending the Shelf-Life of Not from Concentrate (NFC) Apple Juice

被引：3
作者：
Kosinski, Jakub [1 ]
Cywinska-Antonik, Magdalena [1 ]
Szczepanska-Stolarczyk, Justyna [1 ]
Jasinska, Urszula T. [1 ]
Wozniak, Lukasz [2 ]
Kaniewska, Beata [3 ]
Marszalek, Krystian [1 ]
机构：
[1] Prof Waclaw Dabrowski Inst Agr & Food Biotechnol, Dept Fruit & Vegetable Prod Technol, PL-02532 Warsaw, Poland
[2] Prof Waclaw Dabrowski Inst Agr & Food Biotechnol, Dept Food Safety & Chem Anal, PL-02532 Warsaw, Poland
[3] WOSANA SA, Batorego 35A, PL-34120 Andrychow, Poland
来源：
APPLIED SCIENCES-BASEL | 2024年 / 14卷 / 02期
关键词：
microwave flow pasteurization; industrial scale; polyphenols; deaeration process; MICROWAVE PASTEURIZATION; ANTIOXIDANT ACTIVITY; BIOACTIVE COMPOUNDS; ORANGE JUICE; INACTIVATION; QUALITY; FLOW; PEROXIDASE; ULTRASOUND; SYSTEM;
D O I：
10.3390/app14020662
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The research material consisted of not from concentrate (NFC) apple juice, which underwent innovative processes of spray deaeration and flow microwave pasteurization. Traditional commercially available pasteurization was the control. Deaeration was conducted at two different temperatures (25 degrees C and 50 degrees C) and three rotational speeds of the spray disc (150 rpm, 450 rpm, 750 rpm). Flow microwave pasteurization was carried out at 90 degrees C with a flow rate of 5.8 L/min. Deaeration at a temperature of 25 degrees C and a rotation speed of 150 rpm resulted in a significant reduction in oxygen levels in the juice to 0.9 mg/L. Microwave pasteurization led to an almost 100% reduction in oxidoreductases activity (PPO, POD). Immediately after the process, microwave-pasteurized juice exhibited better stability of the total polyphenol content, with a TPC of 73.8 mg/100 mL. Microwave pasteurization caused a threefold increase in antioxidant capacity (176.8 mu M/100 mL) compared to fresh juice. The color of microwave-pasteurized juice was more appealing than that of traditionally pasteurized juice.
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页数：12
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