Table 3.

Particle size analysis of batches S1-S9.

Formulation	Before sterilization		After autoclaving		Other observations
	M.P.S.	P.I.	M.P.S.	P.I.
Prototype formula (S1)	73.2 ± 9.21	0.709 ± 0.053	111.7 ± 3.28	0.524 ± 0.126	Not stable for long after autoclaving
S2	108.3 ± 2.07	0.963 ± 0.046	NS	NS	Oil globules seen under microscope
S3	101.0 ± 1.67	0.615 ± 0.002	NS	NS	Same as S2
S4	95.3 ± 1.15	0.951 ± 0.004	NS	NS	Same as S2
S5	65.5 ± 1.54	0.839 ± 0.048	NS	NS	Same as S2
S6	70.2 ± 1.94	NS	NS	NS	Same as S2
S7	87.0 ± 3.83	NS	NS	NS	Same as S2
S8	72.3 ± 5.69	NS	NS	NS	Same as S2
S9	81.6 ± 3.56	0.767 ± 0.18	137.1 ± 1.57	0.210 ± 0.042	M.P.S. 6 h after autoclaving: 143.1 ± 5.11; P.I.: 0.271 ± 0.166

M.P.S.: Mean particle size; P.I.: Polydispersity index; NS: Not satisfactory.