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http://dx.doi.org/10.9721/KJFST.2018.50.6.697

Changes in amygdalin contents and characteristics of maesil (Prunus mume) liqueur during leaching and ripening  

Cho, Jeong-Won (Graduate school of Biotechnology, Kyung Hee University)
Kim, Byung-Yong (Graduate school of Biotechnology, Kyung Hee University)
Jeong, Jin Boo (Department of Medicinal Plant Resources, Andong National University)
Kim, Hyun-Seok (Major of Food Science and Biotechnology, Division of Bio-convergence, College of Convergence and Integrated Science, Kyonggi University)
Publication Information
Korean Journal of Food Science and Technology / v.50, no.6, 2018 , pp. 697-700 More about this Journal
Abstract
This study investigated changes in amygdalin of maesil liqueurs during leaching and ripening, and their qualities during ripening. Maesil was leached at $24^{\circ}C$ for 3 months in a commercial soju (30% alcohol). During leaching, amygdalin contents dramatically increased by 1 month, remained at a plateau by 2 months, and then decreased at 3 months. Once completion of leaching, maesil liqueurs were ripened for 3 months together with maesil (ML1) and maesil flesh itself (ML2), and without maesil (ML3). During ripening, amygdalin contents significantly decreased for all treatments, and the reduction in amygdalin rapidly proceeded in the order: ML2>ML1>ML3. Alcohol contents decreased for ML1 and ML2, while remained constant for ML3. Their pH and titratable acidity observed only subtle changes, and their color became increasingly darker. Overall results suggested that the long-term ripening of maesil liqueurs containing maesil or maesil flesh (without seeds) may resolve the concern on their amygdalin toxicity.
Keywords
maesil (Prunus mume); maesil liqueur; amygdalin; leaching; ripening;
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Times Cited By KSCI : 1  (Citation Analysis)
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