CHANGES IN MEAT HYDRATATION UPON HIGH PRESSURE.

Porcine and bovine semimembranosus muscles were examined after, respectively, 24 h and 96 h from slaughter. The muscles were pressurised at 200, 300 and 400 MPa for 10 min. The pH value, pressure-induced drip, ability to hold free- and added water, and thermal drip were analysed. The pH values for muscles were found to increase with pressure. Pressurization at 200 MPa caused the greatest drip of meat juice. The ability to hold free water was dependent on muscle and pressure. The pressure of 200 MPa gently lowered this quality for porcine muscle and improved it for bovine muscle. Higher pressures significantly improved the water- holding capacity. Different tendency was observed for the ability to hold added water that decreased with pressure for porcine and bovine muscles, having the lowest values at 400 MPa. All high pressure values applied decreased the drip from the muscles during cooking.

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eISSN:	2083-6007
ISSN:	1230-0322

W latach 2022-2024 kwartalnik naukowy Polish Journal of Food and Nutrition Sciences realizuje projekt nr RCN/SP/0520/2021/1 finansowany ze środków budżetu państwa – Ministerstwo Edukacji i Nauki w ramach programu „Rozwój czasopism naukowych”. Dofinansowanie wynosi 120 000 zł. W ramach projektu podejmowane są działania zmierzające do podniesienia poziomu praktyk wydawniczych i edytorskich, zwiększenia wpływu czasopism na rozwój nauki oraz utrzymania się czasopism w międzynarodowym obiegu naukowym.

In the years 2022-2024, the scientific quarterly Polish Journal of Food and Nutrition Sciences accomplishes a project no. RCN/SP/0520/2021/1 financed from the state budged – Ministry of Education and Science Republic of Poland in the framework of a program “Development of scientific journals”. The financing amounts to 120,000 PLN. The program aims at improving the level of publishing and editing practices, increasing the impact of scientific journals on science development, and extending the international range of scientific journals.