期刊
PACKAGING TECHNOLOGY AND SCIENCE
卷 18, 期 1, 页码 21-27出版社
JOHN WILEY & SONS LTD
DOI: 10.1002/pts.671
关键词
oxygen scavengers; scavenging capacity; scavenging rates
Oxygen scavengers are commonly used in packaged foods in Japan and much less so in other developed countries, in spite of the advantages that they offer in maintaining quality and extending shelf-life. The reason stems from the additional cost involved, and even more so because of the lack of sufficient technical information on their performance and the lack of understanding of how to apply them effectively. In the present study the performance of iron-based oxygen-scavenging sachets was evaluated. It was found that the actual scavenging capacity is much higher than the 'nominal' capacity provided by the manufacturers. Also, a significant distribution in the, oxygen absorption capacity exists, even in the same scavenger type. The rate of oxygen scavenging was found to depend on the scavenger type and capacity. It was also found that in an atmosphere containing CO2 (as in MAP applications) the iron-based oxygen scavengers also absorb CO2. Copyright (C) 2004 John Wiley Sons, Ltd.
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