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Summary The different effects of pasteurization and fermentation on sulphamethazine (SMZ) and sulphachlorpyridazine (SCP) were investigated in two common German meat products, luncheon meat and raw fermented sausages. There was no decrease in sulphonamide concentration (5 μg g-1) in luncheon meat during the different stages of processing and storage (4°C up to 27 days). Less than 40% of the initial concentration remained in fermented sausages after ripening for 10 days in a climatized room. The sulphonamide content was reduced only if fermentation was involved in contrast with meat contaminated with other chemotherapeutic residues.

Summary Glucose accumulated in chub packed luncheon meat cooked at 66°C. Glucose was also released from pork starch slurries, but not similar slurries prepared with beef or mutton. The amylolytic activity of pork was not inactivated by heating at 60°C, and this thermostable activity appears to account for the accumulation of glucose in pasteurized chub packed luncheon meat stored under conditions that preclude bacterial growth.