Research Article

Improvement of Stability and Transdermal Delivery of Bioactive Compounds in Green Robusta Coffee Beans Extract Loaded Nanostructured Lipid Carriers

Figure 6

Antioxidant activities of CP-loaded NLCs by (a) DPPH and (b) FRAP assays before and after stability test at 4°C, 30°C, and 45°C and heating-cooling (HC) cycles. Different letters within the same condition mean significant difference ().
(a)
(b)