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dc.contributor.authorLlobrera, Alcestis T.
dc.contributor.authorBulalacao, Minvilu L.
dc.contributor.authorSuñaz, Ning.
dc.contributor.editorMaclean, J. L.
dc.contributor.editorDizon, L. B.
dc.contributor.editorHosillos, L. V.
dc.date.accessioned2011-06-22T09:35:03Z
dc.date.available2011-06-22T09:35:03Z
dc.date.issued1986
dc.identifier.urihttp://hdl.handle.net/10862/271
dc.description.abstractThe effects of storage on the microbial quality of slipper oysters, Crassostrea iredalei, were examined. Oysters were stored at room temperature (24°C), under a blanket of ice (3-4 C), chilled (4-C) and frozen (-25°C) until they spoiled. The shelf life of oysters stored at room temperature was only two days. Oysters held under a blanket of ice had a shelf life of 14 days and chilled oysters, 22 days. Frozen oysters remained in good condition over the 64 day storage period. The initial total aerobic bacterial count of oysters was 105cfu/g. Counts for frozen oysters decreased by 1 log (104) while counts for oysters stored at other temperatures increased by 2-4 log (107-109). Bacterial typing of 50 randomly-picked colonies made every four days showed Pseudomonas to be the predominant spoilage organism. Total and fecal coliform counts did not increase even for oysters held at room temperature. Typical Staphylococcus aureaus colonies were isolated but were shown to be non-pathogenic by the coagulase test. Analyses for the presence of other organisms of public health concern revealed that Salmonella, Shigella, Vibrio cholerae, V. parahaemolyticus, Lactose + Vibrios (V. vulnificus) and fecal streptococci were present in very low or undetectable levels. Thus, hazards or risks associated with these organisms may be considered minimal.en
dc.language.isoenen
dc.publisherAsian Fisheries Societyen
dc.relation.ispartofIn: Maclean, J.L., Dizon, L.B., Hosillos, L.V. (eds.). The First Asian Fisheries Forum. Proceedings of the First Asian Fisheries Forum, 26-31 May 1986, Manila, Philippines. Manila, Philippines: Asian Fisheries Society. pp. 437-442en
dc.subjectCrassostrea iredaleien
dc.subjectanimal healthen
dc.subjectPhilippinesen
dc.subjectSlipper oysteren
dc.subject.lccVF SP 053
dc.titleEffects of storage on the microbial quality of slipper oysters, Crassostrea iredaleien
dc.typeConference paperen
dc.citation.spage437
dc.citation.epage442
dc.citation.conferenceTitleThe First Asian Fisheries Forum. Proceedings of the First Asian Fisheries Forum, 26-31 May 1986, Manila, Philippinesen
dc.subject.asfaaquatic molluscsen
dc.subject.asfastorage conditionsen
dc.subject.asfaBacteriaen
dc.subject.asfaquality controlen
dc.subject.asfamicrobiological analysisen
dc.subject.asfaoystersen
dc.subject.scientificNameCrassostrea iredaleien
dc.subject.scientificNameMagallana bilineataen


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