Encapsulant or other fillers were customary used in many research for antibacterial or antioxidant activity.
According to Naufalin & Herastuti (2012a), antioxidant activity formula of peel and seed N. speciosa fruit up to
22,49% with gelatin-maltodextrin filler 6% into concentrate. N. speciosa fruit formula with gelatin-maltodekstrin
filler in proportion filler 1:1 (b/b) and concentration 6% (b/b) become the highest antioxidant activity amount
29,22%.