Usually, plant mediated AgNPs shows high biomedical properties than that of the plant extract itself. To identify the residual biomedical activity, the plant extract are subjected to test as control. Then, net biological applicability of these plants mediated AgNPs are calculated. Here is reference:
Article Medicinal Plant Leaf Extract and Pure Flavonoid Mediated Gre...
For anti-inflammation properties, usually, the property is compared with a standard like Ascorbic acid or Rutin. You can check these:
Article Eco friendly silver nanoparticles synthesis by Brassica oler...
Article In vitro antibacterial, antioxidant and toxicity profile of ...
However, you can try the anti-inflammation property or antioxidant property if you think there is high surface encapsulation.