Table 1. Solubility, partition coefficient and lipid partitioning of nicotinamide.

Solubility
		NA in water(mg/ml)	NA in n-octanol (mg/ml)
Preliminary test		714.28	4.347
Main test		735.10	4.61
Partition Coefficient
n-octanol:water		NA in water	NA in n-octanol	Partition coefficient
1:1	Test1	0.679	0.291	0.43
	Test2	0.692	0.277	0.40
1:2	Test1	0.787	0.370	0.47
	Test2	0.791	0.387	0.49
2:1	Test1	0.708	0.262	0.37
	Test2	0.717	0.258	0.36
Lipid Partitioning
SA:GMS		PC lipid/water
1:0		0.24
0:1		0.14
1:1		0.18
2:1		0.26
3:1		0.12
1:2		0.16
1:3		0.11

*NA= Nicotinamide, SA=Stearic acid, GMS= Glyceryl monostearate, PC=Partition coefficient.