Journal
JOURNAL OF FOOD COMPOSITION AND ANALYSIS
Volume 115, Issue -, Pages -Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jfca.2022.105010
Keywords
Food analysis; Food composition; Sous vide; Amino acid; Vacuum cooking; Poultry
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The effects of brining and sous vide treatment on the physicochemical properties, texture, microbiological and free-amino acids (FAA) of chicken breast meat were investigated. The sous vide method yielded chicken breast meat with a soft texture and did not affect pH, water activities, cooking loss, moisture content, and colour attributes. Brine treatment reduced microbial load and FAA loss during sous vide cooking. Overall, brining combined with sous vide prevented FAA loss in chicken breast meat and maintained or improved its quality.
The combined effects of brining (0% and 3% NaCl) and sous vide treatment (45, 90 and 135 min at 60 or 70 celcius) to the physicochemical properties, textural, microbiological and free-amino acids (FAA) released were evaluated using chicken breast meat. Results showed that the sous vide method produced chicken breast meat with a soft texture without affecting the pH, water activities, cooking loss, moisture content, and colour attributes. Brine treatment was effective to reduce microbial load. Brine treatment also effective to reduce the FAA loss from chicken breast meat samples during sous vide cooking. Total FAA loss from the brined sample was generally half (16.70-36.80 mg/100 g) of the non-brined samples. The glutamic acid loss was lower at 2.57 mg/100 g after brining. Overall, brine treatment combined with sous vide prevents FAA loss in chicken breast meat while maintain or improve the qualities.
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