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- Title
The preservation of the quality of the muscle in frozen Australian red claw crayfish ( Cherax quadricarinatus) by pre-storage anti-oxidant dipping treatments.
- Authors
Yen-Chang Tseng; Xiong, Youling L.; Webster, Carl D.
- Abstract
Australian red claw crayfish tails were dipped in either 0.06% (w/w) anti-oxidant solutions (tocopherols, propyl gallate, or rosemary extract) or in water and subsequently stored in a −20 °C freezer. At the end of 0, 1, 3, and 6 months of storage, the raw muscle samples were analysed for lipid oxidation, the thermal stability of proteins, cooking yield and shear force. Red claw treated with anti-oxidants showed a lower ( P < 0.05) thiobarbituric acid-reactive substances (TBARS) production than the non-anti-oxidant control (dipped in water). Enthalpy of denaturation (ΔH) for the myosin head and shear values for the tails decreased ( P < 0.05) in all samples after 6 months of storage, while cooking yield was unaffected by storage. Overall, red claw muscle was quite stable and the oxidation, measured as TBARS values, was small (<0.3 mg kg−1) but could be further stabilized by anti-oxidant dipping treatments. However the anti-oxidant dipping did not prevent texture softening in red claw muscle during frozen storage.
- Subjects
CRAYFISH; ANTIOXIDANTS; OXIDATION; MYOSIN; FROZEN foods
- Publication
International Journal of Food Science & Technology, 2005, Vol 40, Issue 8, p841
- ISSN
0950-5423
- Publication type
Article
- DOI
10.1111/j.1365-2621.2005.01004.x