FOOD. Science. Technology. Quality

Food. SCIENCE. Technology. Quality

Food. Science. TECHNOLOGY. Quality

Food. Science. Technology. QUALITY




Characteristics of technological quality, sensorial and shelf-life of pork with different pH


The aim of this study was to analyze technological characteristics, sensorial features and shelf life of meat from fatteners with different ultimate pH. The research study was based on a sample of 50 fatteners from the crossbreeding of Polish Landrace x Polish Large White with hybrids boars P76-PenArLan. After slaughter amount meat in carcass and other characteristics of raw meat from the Longissimus muscle taken from behind the last rib were analyzed. In the samples of meat pH of the meat after 45 minutes, 24 hrs and 48 hrs following slaughter, lightness of colour in 48 hrs and 96 hrs post mortem in the CIE L*a*b* system, natural drip, technological yield were determined. The sensory quality of raw and cooked meat after 48 hrs and 96 hrs post mortem was evaluated. In the day of slaughter and after 3, 6, 9, 12 and 15 days of storage microbiological analysis (total plate count) were done. Analyzed sample of fatteners on two groups were divided: fatteners with pH24 below 5,5 (36%) and second group fatteners with pH24 was above 5,5. Meat from fatteners described by pH24 < 5,5 characterized higher drip loss (2,4%), higher parameter b* of colour in 48 hrs and parameter a* in 96 hrs and higher acceptability of raw meat compared to group of fatteners with pH24 ≥ 5,5. Relationships between pH of meat and total plate count were found (r = 0,74**). Obtained results indicated further research on quality of culinary meat.


pork, technological quality, sensory quality, shelf life