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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
- 2022.4
- 수록면
- 134 - 144 (11page)
- DOI
- 10.7783/KJMCS.2022.30.2.134
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초록· 키워드
오류제보하기
Background: The main useful components of ginseng are ginsenosides, acidic polysaccharides, and proteins. The aim of this study was to increase the extraction efficiency of thease useful components by changing the pH and homogenizing using a buffer solution.
Methods and Results: White ginseng powder (WGP) was first extracted with a 20 fold solution of citric acid-phosphate buffer (pH 3.0, 3.5, 4.0, 4.5, and 5.0) and distilled water at 80℃ for 5 hours by stirring in 550 rpm, and then each extract was homogenized with speed (0 to 15,000 rpm) and time (0 to 25 min). Total ginsenosides, acidic polysaccharide crude protein content and transmittance of WGP extract homogenized (12,500 rpm, 15 min) at pH 4.0 - pH 4.5 were 1.07 ㎎/㎖ - 1.10 ㎎/㎖, 0.85% - 0.87%, 0.96% - 0.99% and 36.53% - 40.21%, respectively, and were increased due to pH control and homogenization treatment compared to the untreated (distilled water extraction and no homogenization). The antioxidant activity such as 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging activity, 2,2"-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) radical scavenging activity, and ferric reducing/antioxidant power (FRAP) assay of the homogenized (12,500 rpm, 15 min) extract in the pH 4.0 - pH 4.5 was also increased compared to the untreated.
Conclusions: As a result, the extraction efficiency of useful components in White ginseng was simultaneously enhanced due to pH adjustment and homogenization treatment along with an increase in antioxidant activity.
Methods and Results: White ginseng powder (WGP) was first extracted with a 20 fold solution of citric acid-phosphate buffer (pH 3.0, 3.5, 4.0, 4.5, and 5.0) and distilled water at 80℃ for 5 hours by stirring in 550 rpm, and then each extract was homogenized with speed (0 to 15,000 rpm) and time (0 to 25 min). Total ginsenosides, acidic polysaccharide crude protein content and transmittance of WGP extract homogenized (12,500 rpm, 15 min) at pH 4.0 - pH 4.5 were 1.07 ㎎/㎖ - 1.10 ㎎/㎖, 0.85% - 0.87%, 0.96% - 0.99% and 36.53% - 40.21%, respectively, and were increased due to pH control and homogenization treatment compared to the untreated (distilled water extraction and no homogenization). The antioxidant activity such as 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging activity, 2,2"-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) radical scavenging activity, and ferric reducing/antioxidant power (FRAP) assay of the homogenized (12,500 rpm, 15 min) extract in the pH 4.0 - pH 4.5 was also increased compared to the untreated.
Conclusions: As a result, the extraction efficiency of useful components in White ginseng was simultaneously enhanced due to pH adjustment and homogenization treatment along with an increase in antioxidant activity.
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ABSTRACT
서언
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