Manufacturer Supply Bulk Excellent Quality for Peppermint Oil

Testing Items

Standard Requirements

Testing Result

Character

 Colorless or slightly yellowish clear liquid, pure, soft, cool, peculiar aroma of Asia mint.

Qualified

Density (20°C/20°C)

0.890 -- 0.908

0.891

Optical Rotatio(20°C)

-24° -- -15°

-15.85°

Refractive Inde(20°C)

1.4570 -- 1.4650

1.4581

Ester Content

3% -- 9%(Amount of menthyl acetate) 

6.2%

L-menthol Content

33.0% -- 45%

36.7%

Solubility (20°C)

Add 1 volume sample to 4 volume of ethanol 70%(v/v), obtaining a settled solution. Further add, oyster white appear.

Qualified

Total Alcohol Content(Ester Content of Acetylation)

≥50%

51.3%