Hydrolyzed Eruca Sativa (Arugula) Leaf Best Antioxidant Anti-Ageing Hydrolyzed Eruca Sativa (Arugula) Leaf description The leaf extract from an edible leafy green vegetable known as arugula as well as rocket. Applied to skin, arugula is a good source of many antioxidants and minerals that help defend skin from environmental damage.