electrospun soy protein isolate (SPI) nanocomposite fiber mats were developed utilizing the lowest
concentration possible of poly(ethylene oxide) (PEO) containing the highest levels of anthocyanin-rich red
raspberry (Rubus strigosus) extract [ARRE; 20% raspberry powder in 95% ethyl alcohol/water/85% lactic acid
(80:19:1; v/v/v)].