Table 1.

Typical properties of Type I, II, IIIA, IIIB, and IV lipid formulations Pouton (1985).

Sr. no.	Composition (%)	Type I	Type II	Type IIIA	Type IIIB	Type IV
1	Triglycerides or mixed glycerides	100	40–80	40–80	<20	–
2	Surfactant	–	20–60 (HLB<12)	20–40 (HLB > 11)	20–50 (HLB > 11)	40–80
3	Co-surfactant Hydrophilic co-solvents	–	–	0–40	20–50	0–50
4	Particle size of dispersion (nm)	Coarse	100–250	100–250	50–100	–