Resveratrol-Loaded Polymeric Nanoparticles: Validation of an HPLC-PDA Method to Determine the Drug Entrapment and Evaluation of Its Antioxidant Activity

Table 3

Percentage of recovery and RSD obtained in the analysis of robustness after changes in original temperature of the method (25°C) and column mark (𝑛=3).

Changes to original method	Percentage of recovery ± RSD^a
	10 µg/mL	30 µg/mL	50 µg/mL	Mean
Temperature 30°C	101.05±0.74	101.43±1.00	101.32±0.93	101.27±0.15
Temperature 20°C	99.36±0.45	100.58±0.41	99.64±0.25	99.86±0.10
Similar column	102.86±1.99	103.51±2.44	102.46±1.72	102.94±0.53

aRSD: relative standard deviation.