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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2022.2
- 수록면
- 1 - 11 (11page)
- DOI
- 10.7783/KJMCS.2022.30.1.1
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초록· 키워드
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Background: The purpose of this study was to evaluate roasting conditions to optimize the physicochemical properties of ginseng to improve its utilization as a food material.
Methods and Results: Roasting was performed at different temperatures (140, 160, 180, and 200℃) and times (10, 20, and 30 min). The total phenolic content of ginseng powder was greatly between 160℃ for 20 and 200℃ for 10 min achieving a 7-fold increase (22.92 mg·gallic acid equivalents/g) compared to that of the control. As the roasting temperature and time were increased, the 2,2′-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) and 2,2-diphenyl-1-picrylhydrazyl (DPPH) free radical scavenging activities of ginseng powder were significantly increased. The total ginsenoside content was decreased with increasing treatment time at a roasting temperature of 180℃ - 200℃. The maximum total ginsenoside content (9.25 mg/g) was obtained at 180℃ for 10 min, however, there was no significant difference compared to that of the control. The panaxatriol Rh1 content was increased as the roasting level was increased. Overall, this study demonstrated physicochemical changes in 4-year-old ginseng roots according to the roasting conditions.
Conclusions: We suggest the optimal roasting conditions of 160℃ for 30 min or 180℃ for 10 min to minimize the reduction in total ginsenosides, yield, and proximate composition and maximize the polyphenol content and antioxidant activity.
Methods and Results: Roasting was performed at different temperatures (140, 160, 180, and 200℃) and times (10, 20, and 30 min). The total phenolic content of ginseng powder was greatly between 160℃ for 20 and 200℃ for 10 min achieving a 7-fold increase (22.92 mg·gallic acid equivalents/g) compared to that of the control. As the roasting temperature and time were increased, the 2,2′-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) and 2,2-diphenyl-1-picrylhydrazyl (DPPH) free radical scavenging activities of ginseng powder were significantly increased. The total ginsenoside content was decreased with increasing treatment time at a roasting temperature of 180℃ - 200℃. The maximum total ginsenoside content (9.25 mg/g) was obtained at 180℃ for 10 min, however, there was no significant difference compared to that of the control. The panaxatriol Rh1 content was increased as the roasting level was increased. Overall, this study demonstrated physicochemical changes in 4-year-old ginseng roots according to the roasting conditions.
Conclusions: We suggest the optimal roasting conditions of 160℃ for 30 min or 180℃ for 10 min to minimize the reduction in total ginsenosides, yield, and proximate composition and maximize the polyphenol content and antioxidant activity.
목차
ABSTRACT
INTRODUCTION
MATERIALS AND METHODS
RESULTS AND DISCUSSION
REFERENCES
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