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African Journal of Biomedical Research
Ibadan Biomedical Communications Group
ISSN: 1119-5096
Vol. 7, No. 1, 2004, pp. 13-17
Bioline Code: md04004
Full paper language: English
Document type: Research Article
Document available free of charge

African Journal of Biomedical Research, Vol. 7, No. 1, 2004, pp. 13-17

 en STORAGE LIFE OF CROAKER (PSEUDOTHOLITUS SENEGALENSIS) IN ICE AND AMBIENT TEMPERATURE
OLA, JOSEPH BABAJIDE AND OLADIPO, ADNES ETANUOMA

Abstract

Storage life of croaker ( Pseudotolithus senegalensis check for this species in other resources ) was 20 days in ice and 12 hrs at ambient temperature. Rejection of the raw fish by a five-member taste panel was for strong fishy to sour odours and soft texture. Cooked samples were rejected based on sour and ammoniacal faecal odours with mushy texture. The predominant flavour was bitterness. The initial bacterial load we. Predominantly masophilic in nature and included Micrococcus check for this species in other resources , Bacillus check for this species in other resources , Pseudomonas check for this species in other resources , Coryneforms check for this species in other resources , Flavobacterium check for this species in other resources , Alteromonas putrefaciens check for this species in other resources and Enterobacteria check for this species in other resources . Bacterial counts were within the range 106 - 110 on rejection and the principal spoilage organisms were Pseudomonas sp and Alteromonas putrefaciens during iced storage while Bacillus sp, Pseudomonas sp, Alteromonas putrefaciens and Proteus check for this species in other resources dominated the spoilage flora at ambient temperature. TMA and TVN proved to be reliable quality indices during ambient storage while their reliability as quality indices during ice storage was questioned.

Keywords
Pseudotholithus senegalensis, croaker, storage life, ice, ambient

 
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