Research Article

An Alginate/Cyclodextrin Spray Drying Matrix to Improve Shelf Life and Antioxidant Efficiency of a Blood Orange By-Product Extract Rich in Polyphenols: MMPs Inhibition and Antiglycation Activity in Dysmetabolic Diseases

Table 3

Quantitative antioxidant activity (ORAC assay) and total polyphenol content (TPC) of fluid extract (ExF), spray-dried extract (ExMR), and spray-dried extract processed according to ICH guidelines (ExMR ICH).

SampleTPC (mg GAE/g of extract)ORAC units (μmol TE/μg of extract)

ExF12.00 ± 0.181.90 ± 0.80
ExMR33.50 ± 0.212.60 ± 0.30
ExMR ICH28.80 ± 0.600.70 ± 0.08

Reported values are the means ± standard deviation (SD) (). Significantly different at compared to 1 ORAC unit of Trolox.