Publications by authors named "Nam-Geun Ahn"

Gamma irradiation is able to affect various structural modification and an increase of the biological properties of biomaterials. This study was conducted to investigate the anti-allergenic effect of γ-irradiated black ginseng extract (BGE) using in vitro and in vivo experiments. IgEantigen complex-induced degranulation was measured in RBL-2H3 mast cells.

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Background: The chemical constituents of are changed by processing methods such as steaming or sun drying. In the present study, the chemical change of induced by steaming was monitored .

Methods: Samples were separated from the same ginseng root by incision during the steaming process, for monitoring.

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It has been reported that Korean Red Ginseng has been manufactured for 1,123 y as described in the GoRyeoDoGyeong record. The Korean Red Ginseng manufactured by the traditional preparation method has its own chemical component characteristics. The ginsenoside content of the red ginseng is shown as Rg1: 3.

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For quality control of components in Korean red ginseng powder and extract, a new method for simultaneous quantification of 12 ginsenosides (Rg1, Re, Rf, Rh1, Rg2[S], Rg2[R], Rb1, Rc, Rb2, Rd, Rg3[S], and Rg3[R]) was studied. Compared to the official method for quantification of marker substances (ginsenosides Rg1 and Rb1), the proposed methods were guaranteed by in-house method validation. Several criteria such as linearity, specificity, precision and accuracy were evaluated.

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