Materials and methods
2.1. Material
The oil phase was degummed and bleached soy oil (Imcopa S/A, Brazil). The aqueous phase was distilled water with 1 wt% of NaCl (Vetec, Brazil). The emulsifiers were soy lecithin (Imcopa S/A, Bra- zil) and Tween 80 (Vetec, Brazil).