Stability of Functional Properties and Chemical Components of Gamma-Irradiated Astragali Radix
2005
Jeong, I.Y. (Korea Atomic Energy Research Institute, Daejeon, Republic of Korea), E-mail: [email protected]
Stability of functional properties and chemical components of gamma-irradiated Astragali Radix (AR) were investigated to study the application of radiation technology for preservation and hygiene of medicinal herbs. Thus, ethanolic extracts and ethyl acetate fractions were prepared from gamma-irradiated and gamma-non-irradiated AR, respectively. Functional properties were estimated by comparing antioxidant activity (DPPH radical scavenging activity, lipid peroxidation inhibitory activity) and protective effect against oxidative DNA damage in human lymphocytes.
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