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  • Title: Variation of Ginsenosides in Ginseng of Different Ages.
    Author: He JM, Zhang YZ, Luo JP, Zhang WJ, Mu Q.
    Journal: Nat Prod Commun; 2016 Jun; 11(6):739-40. PubMed ID: 27534105.
    Abstract:
    Panax ginseng has been used in traditional oriental medicine for thousands of years. Ginsenosides, the major chemical components of the roots, are considered to be responsible for the medicinal properties of ginseng. Ginsenosides increase with the age of ginseng root in general knowledge, and in this study the content of ginsenosides in ginseng of different ages was quantified. Separation and determination of eight main ginsenosides, Rg1, Re, Rb1, Rc, Rg2, Rb2, Rb3 and Rd, was performed by high performance liquid chromatography with UV detection at 203 nm. The content of Rg1, Re, Rb1, Rc, Rg2 and Rd increased from 5 to 16-year-old ginseng and then decreased, while Rb2 and Rb3 increased in the range of 5-12 years, but then slowly decreased. However, the total eight ginsenosides in 16 year old ginseng had a higher content than that in any other from 5-18 years old. As a result, the content of ginsenosides and total ginsenosides was not positively related to age from 5-18 years, which is not in full agreement with the general knowledge of ginseng. Thus, this study suggests that the older wild ginseng may not result in better medicinal ginseng for herbal medicines.
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