Document Detail


Viability and Antigenicity of Anisakis simplex after Conventional and Microwave Heating at Fixed Temperatures.
MedLine Citation:
PMID:  22186053     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Inactivation of parasites in food by microwave treatment may vary due to differences in the characteristics of microwave ovens and food properties. Microwave treatment in standard domestic ovens results in hot and cold spots, and the microwaves do not penetrate all areas of the samples depending on the thickness, which makes it difficult to compare microwave with conventional heat treatments. The viability of Anisakis simplex (isolated larvae and infected fish muscle) heated in a microwave oven with precise temperature control was compared with that of larvae heated in a water bath to investigate any additional effect of the microwaves. At a given temperature, less time was required to kill the larvae by microwaves than by heated water. Microwave treatment killed A. simplex larvae faster than did conventional cooking when the microwaves fully penetrated the samples and resulted in fewer changes in the fish muscle. However, the heat-stable allergen Ani s 4 was detected by immunohistochemistry in the fish muscle after both heat treatments, even at 70°C, suggesting that Ani s 4 allergens were released from the larvae into the surrounding tissue and that the tissues retained their allergenicity even after the larvae were killed by both heat treatments. Thus, microwave cooking will not render fish safe for individuals already sensitized to A. simplex heat-resistant allergens.
Authors:
Sanja Vidaček; Cristina De Las Heras; Maria Teresa Solas; Maria Luisa García; Angel Mendizábal; Margarita Tejada
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of food protection     Volume:  74     ISSN:  1944-9097     ISO Abbreviation:  J. Food Prot.     Publication Date:  2011 Dec 
Date Detail:
Created Date:  2011-12-21     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7703944     Medline TA:  J Food Prot     Country:  United States    
Other Details:
Languages:  eng     Pagination:  2119-26     Citation Subset:  IM    
Affiliation:
Instituto de Ciencia y Tecnología de Alimentos y Nutrición, Instituto del Frío, Consejo Superior de Investigaciones Científicas, C/José Antonio Novais 10, E-28040 Madrid, Spain.
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