The additive sorbitan monolaurate consists of sorbitol (and its anhydrides) esterified with fatty acids derived from coconut oil. It is intended to be used as a technological additive, functional group: emulsifier, in feedingstuffs for all animal species, at a maximum concentration of 85 mg/kg complete feed.
Tween 80 (polysorbate 80, polyoxyethylene sorbitan monooleate) is a non-ionic surfactant that is widely used as an emulsifier in cosmetics, pharmaceuticals and food products.
The different types of surfactants were used in both steps as hydrophobic and hydrophilic emulsifiers, respectively. The effects of emulsifiers in modifying the size of the nanocapsules were compared with respect to their weighted hydrophilic-lipophilic balance (HLB) value, and the size was also affected by the content of the emulsifying agent.
