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- W2080607557 abstract "The effect of post-slaughter frozen storage and exposure on proximate composition and microbial development respectively, were studied in two commonly cultured catfish species, Heterobranchus longifilis and Clarias gariepinus . Samples of minced fillets of males and females of both species were analyzed for protein, lipid, moisture, and calorie content, at slaughter and at 3 and 6 days of deep freezing at -18oC. Bacterial development in samples of minced unpreserved fillets was quantified at slaughter, and at 3, 6, and 9 hours interval using fluorescence microscopy. Protein, lipid, moisture, calorie levels, and bacterial counts were statistically analyzed to detect differences using the ANOVA. Fischer’s LSD (0.05) was used to separate means. Means of variables were compared between species using t-test. There were significant differences in moisture levels (P 0.05). There were significant differences in protein, lipid, moisture and calorie levels between sexes of both species with post-slaughter freezing (P 0.05) over the intervals. Moisture loss ranged from -5.24±0.32% of initial levels in H. longifilis males, to -13.92±0.22% in H. longifilis females. At 9 hours post-slaughter exposure, bacterial load in both species recorded higher levels in females (4.88x10 7 cells g -1 , and 3.5x10 7 cells g -1 in H. longifilis and C gariepinu s respectively), than males (0.50x10 6 cells g -1 , and 0.45x10 6 cells g -1 in H. longifilis and C. gariepinus respectively). Key words: Heterobranchus longifilis, Clarias gariepinus, frozen storage, protein, fat, moisture, bacterial development." @default.
- W2080607557 created "2016-06-24" @default.
- W2080607557 creator A5051264096 @default.
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- W2080607557 date "2013-11-11" @default.
- W2080607557 modified "2023-09-25" @default.
- W2080607557 title "Effect of post-slaughter frozen storage on protein, lipid, moisture, calorie content and microbial development of male and female <i>Heterobranchus longifilis</i> and <i>Clarias gariepinus</i> flesh" @default.
- W2080607557 doi "https://doi.org/10.4314/tfb.v21i2.2" @default.
- W2080607557 hasPublicationYear "2013" @default.
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