Abstract
The Argentine hake (Merluccius hubbsi) shows a seasonal variation in its biological condition. Results of seasonal differences in gonad maturation and spawning as well as the effect on commercialization have been reported. Considering that some technological aspects and the quality of the frozen final product are dependant on the quality of raw material, the purpose of the work was to determine the influence of sexual maturity, and other biological characteristics (sex and size) of the fish on the quality of frozen Argentine hake. Quality of fish was evaluated by determination of: Total volatile bases content (TVB), Dimethylamine nitrogen content (DMA), Formaldehyde content (FA), Salt soluble protein (SSP), Drip and Sensory evaluation. Comparisons of the experimental results between the different lots studied show that contents of FA, DMA, SSP and Drip were affected by sex, size and sexual maturity. TVB content was not affected by any of the aforementioned biological factors.
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