Extension of the pre-rigor period in ischemic white muscle from yellow-eye mullet (Aldrichetta forsteri) and New Zealand snapper (Pagrus auratus) as affected by hyperbaric oxygen treatment

Chemical anesthesia (AQUI-S Plus) was used to harvest tank-rested yellow-eye mullet (Aldrichetta forsteri) and snapper (Pagrus auratus) in a "rested" state. Fillets were stored at half the acclimated temperature under hyperbaric, hyperoxic conditions and compared with fillets stored under...

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Bibliographic Details
Published in:Journal of food science 2004-05, Vol.69 (4), p.FCT297
Main Authors: Black, S.E, Jerrett, A.R, Forster, M.E
Format: Article
Language:English
Subjects:
adenosine triphosphate
Aldrichetta forsteri
cell respiration
controlled atmosphere storage
Fish
fish fillets
Food preservation
food quality
Food science
high pressure treatment
hyperbaric storage
inorganic phosphorus
ischemia
lactic acid
Metabolism
Mugilidae
mullet
muscles
Muscular system
Oxygen
Pagrus
Pagrus auratus
postmortem changes
rigor mortis
shelf life
snapper
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Summary:Chemical anesthesia (AQUI-S Plus) was used to harvest tank-rested yellow-eye mullet (Aldrichetta forsteri) and snapper (Pagrus auratus) in a "rested" state. Fillets were stored at half the acclimated temperature under hyperbaric, hyperoxic conditions and compared with fillets stored under normobaric, hyperoxic conditions. Postmortem (PM) changes in white muscle (WM) cut-surface pH and key metabolites (lactate, adenosine triphosphate [ATP], and inorganic phosphate [P(i)]) were measured. Hyperbaric, hyperoxic storage extended the pre-rigor period in the rested WM by delaying PM changes. Prolongation of pre-rigor was greatest in rested snapper WM. This was attributed to an extended period of aerobic metabolism in PM rested WM.
ISSN:0022-1147
1750-3841
DOI:10.1111/j.1365-2621.2004.tb06331.x