염 및 당 침지 처리가 건조 사과의 품질특성에 미치는 영향
(주)코리아스칼라
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- 2023.04.05
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- 2016.10
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서지정보
ㆍ발행기관 : 한국식품영양학회
ㆍ수록지정보 : 한국식품영양학회지 / 29권 / 5호
ㆍ저자명 : 소슬아, 김종원, 김아나, 박찬양, 이교연, 샤피어라만, 최성길
영어 초록
In this study, we investigated the effects of pre-soaking in salt and sugar solution prior to air drying at 50℃ on the characteristics of dried apples. Pre-soaking solutions included single solutions of salt 2% and sugar 2%; and combined solutions of salt 2%+sugar 2% and salt 2%+sugar 5%, respectively. The effects of pre-soaking condition and drying were evaluated in terms of moisture content (MC), water activity, color, antioxidant activity determined by DPPH radical scavenging activity, shear force, microbial contents, and sensory evaluation of apple slices. The control sample without pre-soaking showed the most rapid drying rate; in addition, the single solutions showed higher MC and water activity after drying time of 120 min, as compared to combined solutions. In all samples, MC and water activity showed high correlation coefficients of 0.91 to 0.97; whereas, shear force was negatively correlated with MC and water activity. The single solution of salt 2% showed decrease in change of color, including L, a, and b values, and the number of aerobic bacteria during drying. In addition, highest antioxidant activity and values of sensory preferences were observed in the dried apple pre-soaked in single solution of salt 2%.
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