how do i dilute garlic essential oil or like other essential oils with an emulsifier such as polysorbate 80 to get different concentrations of it (20%, 40%, and 60%)?

Answer 1

how do i dilute garlic essential oil or like other essential oils with an emulsifier such as polysorbate 80 to get different concentrations of it (20%, 40%, and 60%)?

This isn't exactly Biology, but typically when people use percent solution, they use volumes. In other words, if you want 20% Garlic essential oil solution in 80% Polysorbate solution to make up total volume of 100%. you will add 1 part Garlic essential oil and 4 parts polysorbate 80 solution. That will give you 20% garlic essential oil solution in polysorbate.

If you have to be more precise, the formula people use is

M1*V1 = M2V2

where

M1 = the concentration of your original essential oil solution

V2 = the volume of your original essential oil solution

M2 = the concentration of diluted essential oil solution in polysorbate

V2 = the volume of the diluted essential oil solution in polysorbate.

So if you wanted say 100 ml of the diluted 20% solution of essential garlic oil in polysorbate, then

M1 = original Garlic solution concentration of 100%

V2 = volume of garlic solution to be added to poly sorbate

M2 = diluted garlic oil solution concentration of 20%

v2 = 100 ml of desired diluted solution volume

so

M1 V1 = M2 V2 becomes

100% * V1 = 20% * 100 ml

Solve for V1

v1 = (20% * 100 ml) ÷ (100%)

= 20 ml of original essential oil

Total volume is 100 ml so the volume of polysorbate you need to add is 100-20 = 80 ml