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&lt;/script&gt;</html><description>Study on the Spectral Effect Relationship of Total Polyphenols and Total Anthraquinone Content in Rhubarb and Its In Vitro Antioxidant Activity In 1956, Harman proposed the theory of free radical aging, in which oxidative reactions are the main cause of inducing biological aging and various diseases. Free radicals are mainly generated by electron leakage from [&hellip;]</description></oembed>
