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. 2022 Nov 23;10:994895. doi: 10.3389/fchem.2022.994895

FIGURE 8.

FIGURE 8

Effects of virgin Pe-AgNPs and PEGMA capped AgNPs on the production of secondary metabolites from in-vitro grown callus cultures of S. rebaudiana under a controlled environment, (A) Total flavonoid content (left penal), total phenolic content (right penal), and (B) SOD enzyme activity (left penal) GSH-reduced content (right penal) were measured on the 40th day of incubation. Values are the mean ± standard error from three replicates. Asterisks indicate a significant difference (p ≤ 0.05) in values between control and treated cultures. FW: Fresh weight, DAC: Days after culturing.