The effect of storage at -3°C of cured smoked raw pork-loin on changes in proteins, amino acids balance and in vitro digestibility was investigated. Long-term storage of the experimental product at near-cryoscopic temperature does not substantially affect the amino acids content. In vitro digestibility was found to improve during storage. Two new electrophoretically separated fractions of protein after 8 and 12 weeks of pork-loin storage were determined, this being regarded as an interesting finding reflecting both qualitative and quantitative changes in the experimental product's protein.
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