Preparation and characterization of antioxidant flavonoid-enriched extract from saffron by-product: a combination of ultrasound-assisted extraction and macroporous resin purification
Abstract The stigma of saffron, a precious spice widely used in the world, takes only 7.4% (w/w) of the total weight of the flower, resulting in wasting the rest 92.6% of the flower. The utilization of the waste saffron floral bio-residues (SFB) has hence attracted people’s attention. In this paper, ultrasound-assisted extraction (UAE) associated with […]