Medicinal grade peppermint oil Pale yellow oil has a cool taste available

Medicinal Grade Peppermint Oil Pale Yellow Oil Cool Taste Medicinal Grade Peppermint Oil Pale Yellow Oil Cool Taste Bohesu YouPEPPERMINT OIL This product is a volatile oil
extracted from the fresh stems and leaves of the plant Mentha haplocalyx Briq.

【Properties】This product is a colorless or light yellow clear liquid; It has a special cool aroma, the taste is initially spicy and cool
.

Stored for a long time, the color gradually becomes darker
.

This product is miscible with ethanol and can be miscible
at will.

The relative density should be 0.
888 to 0.
908 (general 0601).
Optical rotation Take this product, measured according to law (General 0621), optical rotation should be -17 ° ~ -24 °
.

The refractive index should be 1.
456 ~ 1.
466 (general 0622).
【Identification】 Take 0.
1g of this product, add 5ml of absolute ethanol to dissolve, as a test solution
.

Another control extract of menthol oil was taken to make a control extract solution
by the same method.

According to the thin layer chromatography (general principle 0502) test, aspirate 5 μl of each of the above two solutions, respectively, on the same silica gel GF254 thin layer plate, with toluene- ethyl acetate (19:1) as the unfolding agent, unfold, remove, dry, place under the ultraviolet light lamp (254 nm) for inspection
.

In the sample chromatography, spots
of the same color appear in places corresponding to the control extract chromatography.

Spray with anisaldehyde test solution and heat at 105 °C until the spots are clearly
colored.

In the sample chromatography, spots of the same color appear in the corresponding positions of the control extract chromatography; Placed under a UV lamp (365 nm), fluorescent spots
of the same color appear.

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