Since more solid-like lipids are needed to form solid
particles, it is likely that the lipids chosen for solid-lipid particle
applications will be more saturated than fats commonly used in
conventional emulsions. Saturated fats undergo oxidation more
slowly than unsaturated fats (Nawar, 1996), potentially lowering
the likelihood that carotenoids would undergo radical attack
from radicals produced in lipid oxidation reactions. Additionally,
solid-lipid particles may be useful in creating physically
stable systems for the delivery of carotenoids like lycopene, that
often form crystal structures.