Supercritical fluid extraction and microencapsulation of bioactive compounds from red pepper (Capsicum annum L.) by-products

► Vitamin E and provitamin A are recovered from red pepper by-products. ► The recovery of vitamins is carried out by supercritical fluid extraction. ► Red pepper extract is entrapped by spray drying using gum arabic as wall material. ► Microencapsulation is a method for increase of the stability of extracted vitamins.