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논문 기본 정보

자료유형
학술저널
저자정보
김경자 (동아대학교 식품과학부) 양지나 (진주국제대학교 가정사회복지학부)
저널정보
한국가정과학회 한국가정과학회지 한국가정과학회지 제8권 제1호
발행연도
2005.1
수록면
33 - 48 (16page)

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The purpose of this is to agar powder addition to retard retragradation for making Backsulgi. Backsulgi is manufactured promptly by adding ingredients having agar powder and then observation of sensory and texture characteristics. Then Backsulgi determinded in storing at the temperatures of 20 and Celsius degrees for 0, 24, 48 and 72 hours, respectively. The results from this study are as follow; 1. Moisture absorption of control show 34.4%, compared with, Backsulgi with agar powder added 3%, 6%, 9%, 12%, 15% show higher 37.03%, 39.28%, 41.72%, 43.5%, 44.70%, respectively. 2. In terms of chromaticity, lightness of control show $70.68{\pm}7.248{\sim}61.25{\pm}0.90$, the longer time is and much agar powder Backsulgi show lower and 15% agar powder added Backsulgi show $51.53{\pm}0.921{\sim}54.715$. Then redness(a) of control show $-0.70{\pm}0.14$, compared with 15% agar powder added Backsulgi show $-0.32{\pm}0.047$. 15% agar powder Backsulgi show $9.03{\pm}0.313$ higher in yellowness than control $5.47{\pm}0.40$. 3. Control and agar powder Backsulgi was shown pH 6.1~6.3, the longer time is, all Backsulgi was shown pH 5.5~5.9 and much agar powder Backsulgi was shown an weakly acidity. 4. Swelling and pore ratio of control was shown 85.36% and 118.32%, compared with, agar powder added Backsulgi was higher a rate of increase. 5. For a sensory evaluation, the longer time is, adding agar powder rice cake is more perfected at 20$^{\circ}C$ in times if smooth, inner moisture, chewiness, after selling, overall quality. 6. Determination of texture characteristics by a reometer shows that Backsulgi with agar powder added change more in hardness that controls, indicating that effect of retarding retrogadation is higher when storage time is longer. 7. The correlation of hardness, springness between sensory and instrumental evaluation showed significantly positive function.

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