Authors
Hye-Jin Kim, Dongheon Lee, Seungcheol Lee, Minwoo Choi, Soyoon Yun, Young Seung Lee, Dong Kyun Kim, Soo-Hyun Cho, Cheorun Jo
Published in
Food science of animal resources. Volume 45. Issue 5. Pages 1444-1462. Epub Sep 01, 2025.
Abstract
The aim of this study was to profile the physicochemical and flavor characteristics of beef loins from Jeju crossbred cattle (JCC) during wet aging. Beef loins obtained from three individual JCC were vacuum-sealed and stored at 4°C for 28 days. The pH, drip loss, cooking loss, CIE L*-value, and water content of the JCC loin showed no significant changes during aging. However, CIE a*-, CIE b*-values, and shear force of the aged JCC loins began to decrease on day 7. The water holding capacity showed a tendency to increase on day 7 and exhibited significant differences on days 21 and 28. A total of 33 volatile organic compounds (VOCs) were identified in the aged JCC loin, and intensity of 8 VOCs increased and that of 11 VOCs decreased during the aging period (p<0.05). After 14 days of aging, off-odor-related VOCs started to emerge in aged JCC loins. Additionally, 26 metabolites were identified in the JCC loin during aging, with most metabolites belonging to the group of amino acids and peptides showing increased content over the aging time (p<0.05). Electronic tongue analysis indicated that JCC loins aged for 7 days exhibited the strongest taste profile, with higher scores for sourness, bitterness, and umami than other aged JCC loins. When JCC loin was aged for 7 days, its physicochemical and sensory qualities improved, a trend that could continue for up to 14 days, after which further aging may lead to negative flavor effects.
PMID:
42377834
Bibliographic data and abstract were imported from PubMed on 30 Jun 2026.
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