Research Article
Effect of Preservation Methods on Physicochemical Quality, Phenolic Content, and Antioxidant Activity of Stevia Leaves
Figure 3
Total phenolic content of stevia leaves subjected to different preservation treatments and storage period. Values are the mean ± SD of three replicates and significant at ≤ 0.05. C: commercial; FD: freeze-dried; GI: gamma-irradiated.