Nitrogenous compounds changes in emersed oysters: Crassostrea gigas |
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| Authors: | Sarra Rafrafi Roger F Uglow |
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| Institution: | The University of Hull, Biological Sciences Department, Cottingham Road, Hull HU6 7RW, UK |
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| Abstract: | The effects of emersing oysters (Crassostrea gigas) for up to 66 h at 4 °C under humid air and nitrogen atmospheres were studied. A significant, gradual body mass loss occurred under nitrogen (8.36 ± 0.85% final weight loss) but no significant loss occurred under humid air (4.92 ± 2.67% final weight loss). Emersion duration and the mantle cavity fluid (MCF) total ammonia (TA) concentration showed a positive, linear relationship (r2 = 0.73 and 0.74 under humid air and N2, respectively). The MCF TA and trimethylamine (TMA) contents were also positively related (r2 = 0.64 and 0.69 under humid air and N2, respectively). |
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| Keywords: | oyster ammonia FAA succinate emersion |
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