Changes of Chemical Compositions and Ginsenoside Contents of Different Root Parts of Ginsengs with Processing Method
2010
Choi, J.E., Chungnam National University, Daejeon, Republic of Korea | Nam, K.Y., Chungnam National University, Daejeon, Republic of Korea | Li, Xiangguo, Chungnam National University, Daejeon, Republic of Korea | Kim, B.Y., Hanil Ginseng Industry Co., Ltd., Chuncheon, Republic of Korea | Cho, H.S., Wooshin Industrial Co., Ltd., Geunsan, Republic of Korea | Hwang, K.B., Wooshin Industrial Co., Ltd., Geunsan, Republic of Korea
This study was carried out to determine changes in general chemical composition, free sugars, physicochemical properties of extract, and ginsenoside contents depending upon processing methods. Ginseng roots harvested from the same field were employed for the processing into white ginseng (WG), taegeuk ginseng (TG), red ginseng A (RGA, steamed one time), and red ginseng B (RGB, steamed three times). The fat content decreased by increasing duration of treatment and number of steaming treatment. On the other hand, there was no significant variation in contents of ash and carbohydrate depending on processing methods. Contents of sucrose and maltose was higher in Taegeuk and red ginseng than those of white ginseng. Steamed ginseng root (taegeuk and red ginseng root) showed higher amount of water extractable solid than the unsteamed white ginseng, but the variation of crude saponin content was not distinctive depending on processing methods. The contents of total ginsenosides increased by the order of white, taegeuk, red A, and red B root. In summary, chemical composition and total ginsenoside content were different according to part of root and processing methods, thus implies the importance of quality control as well as pharmacological activity of ginseng root.
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