Study Of Mutagenic Effects Of A Packaging
System With Oxygen Absorbers On
Sweet Bakery Products
Author(s)
R. A. Sueiro, M. J. Garrido & M. Araujo
Abstract
In the present study, the potential mutagenic effects of a packaging system for
food containing oxygen absorbers was evaluated on a popular sweet bakery
product (glazed doughnuts) stored at 20ºC along its extended self life by using
the Salmonella typhimurium His-test with the tester strains TA98, TA100,
TA1535 and TA1537 and Escherichia coli Trp-test with strains WP2uvrA and
WP2uvrA pKM101. All samples were assayed in the presence and absence of an
exogenous metabolizing system (S9 from rat liver). During the study, 3 lots were
prepared and analysed: lot 1 consisted of control samples without absorber
sachets. In lot 2 one oxygen absorber sachet was added into the package and in
lot 3 two oxygen absorbers were used. All samples were packaged in high barrier
pouches and stored at 20ºC along the shelf life of the product, determined in
other study as 4 days for control samples and 8 days for samples packaged with
oxygen absorbers. As it was expected, the active concept itself did not show
mutagenic activity. In addition, the control samples and samples in contact with
the oxygen scavengers were also negatives in all sampling times (at days 0, 5 and
10). These results support the safe use of this type of active packaging to extend
the shelf life of commercial doughnuts because the interactions between the
bakery product and the package system did not represent a risk for the consumer
health under the conditions tested.
Keywords: active packaging system, oxygen absorbers, sweet bakery products,
S. Typhimurium h is-test, E . c oli T rp-test.
Keywords
active packaging system, oxygen absorbers, sweet bakery products,
S. Typhimurium h is-test, E . c oli T rp-test
Related Book
Other papers in this volume
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