| Microbial Safety and Consumer Acceptability of High-Pressure Processed Hard Clams (Mercenaria mercenaria). | |
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MedLine Citation:
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PMID: 21729074 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Littleneck hard clams (Mercenaria mercenaria) harvested from New Jersey coastal waters in the United States were high-pressure processed (HPP) in their shells using a 10 L high-pressure processing unit. A response surface (RS) methodology approach was used to optimize the pressure and time parameters for microbial inactivation caused by the high-pressure application. The total surviving microbial load in the hard clams was enumerated after processing at each experimental condition. The results indicated that log reduction in total plate count (TPC) due to high-pressure processing of hard clams was primarily a function of pressure. Pressure of at least 480 MPa was needed to achieve 1-log reduction in TPC in hard clams harvested from special restricted waters. In a parallel study, a panel of 60 regular raw clams consumers tasted both raw and processed hard clams that were harvested from approved waters and HPP at 310 MPa for 3 min. The consumers showed equal preference for processed and raw hard clams. Two subgroups of hard clam consumers were revealed; 1 group preferred the plumpness of the HPP clam and the other group preferred aroma of the unprocessed clam. Thus, plumpness and aroma may influence consumer acceptance of HPP hard clams. Practical Application: High-pressure processing has gained momentum as a processing technique that aids in retention of fresh appearance in foods. It holds promise as a method to process premium value food products while retaining quality attributes. Quantification of its impact on safety and consumer acceptance is critical for its acceptance and use in the food industry. |
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Authors:
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Shalaka P Narwankar; George E Flimlin; Donald W Schaffner; Beverly J Tepper; Mukund V Karwe |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-7-5 |
Journal Detail:
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Title: Journal of food science Volume: - ISSN: 1750-3841 ISO Abbreviation: - Publication Date: 2011 Jul |
Date Detail:
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Created Date: 2011-7-6 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0014052 Medline TA: J Food Sci Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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© 2011 Institute of Food Technologists® |
Affiliation:
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Authors Narwankar, Schaffner, Tepper, and Karwe are with Dept. of Food Science, School of Environmental and Biological Sciences, Rutgers Univ., New Brunswick, NJ 08901, U.S.A. Author Flimlin is with Rutgers Co-operative Extension of Ocean County, Toms River, NJ 08755, U.S.A. Direct inquiries to author Karwe (E-mail: Karwe@aesop.rutgers.edu). |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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