Table 1. Prepared formulations for screening test.

Formulation

vitamins

water

Cosolvents and tonicity adjusting agents

EDTA

S.M.Oc

S.F.Sd

Buffers

B12

B1

B6

P.E.G a

P.Gb

lecithin

acetate

citrate

phosphate

Conc.

0.33mg/ml

33mg/ml

33mg/ml

50% v/v

50% v/v

2% w/v

0.05% w/v

0.25% v/v

1.0% w/v

0.1 M

0.2M

0.05M

0.1M

0.025M

0.05M

pH

-

-

-

-

-

-

-

-

-

-

4.75

4.75

3.1

3.1

7

8

5.8

7

8

5.8

F1

*

*

F2

*

*

F3

*

*

F4

*

*

*

F5

*

*

*

F6

*

*

*

*

F7

*

*

*

*

*

F8

*

*

*

*

*

F9

*

*

*

*

*

F10

*

*

*

*

*

F11

*

*

*

*

*

F12A

*

*

*

*

*

F12B

*

*

*

*

*

F13A

*

*

*

*

*

F13B

*

*

*

*

*

F14A1

*

*

*

*

*

F14A2

*

*

*

*

*

F14B1

*

*

*

*

*

F14B2

*

*

*

*

*

F14C1

*

*

*

*

*

F14C2

*

*

*

*

*

F15

*

*

*

*

*

^aP.E.G: Polyethylene glycol

^bP.G: Propylene glycol

^cS.M.O: Sorbitan mono oleate

^dS.F.S: Sodium formaldehyde sulfoxylate