Results of some solvent tests

Test 1

0.25g of dried salvia divinorum leaves were powdered and left for 2 hours in various solvents. After filtering and analysing, the following results were obtained.

Solvent Color   Total wt extracted  Salvinorin A extracted 

CCl4    Med.Green      5.2 mg         *0.9mg 
CS2      Brown         5.8            0.5 
C5H12    Light Green   2.5            0 
Et2O     Dark Green    6.1            0.8
* (overlapping peaks)

Test 2

0.1g of powdered salvia divinorum leaf was extracted with 1.5ml solvenr for 16 hours.

Solvent        Tot wt extracted     Salvinorin A wt extracted 


Acetonitrile       0.6mg                  0.12
Isopropanol 91%     4                     0.18
Acetone             2.7                   0.19
Ethyl Acetate       2.8                   0.13
Dichloromethane     3.3                   0.16