| Customization: | Available |
|---|---|
| Type: | Natural Flavor |
| State: | Crystal |
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Menthol is extracted from the leaves and stems of peppermint. It is a white crystal and is the main component of peppermint and peppermint essential oils. Menthol generally has two isomers (D-type and L-type), and natural menthol is mainly L-isomer (L-menthol), where menthol generally refers to racemic menthol (DL-menthol ). Menthol can be used as a flavoring agent in toothpaste, perfume, beverage and candy. Its esters are also used in fragrances.
| Item | Standard | Results |
| Color | Colorless clear strips or crystals | conforms |
| Odor | Pleasant methol odor | conforms |
| Residue on evaporation(%) | ≤0.05 | 0.02 |
| Melting point(ºC) | 41.5∼44.0 | 41.6∼42.6 |
| Solubility in ethanol(25 Deg c) | 1 g sample completely soluble into 5 ml 90% ethanol | conforms |
| Specific rotation(25 Deg c) | -50∼49 | -49.70 |
| Heavy metal (pb) (mg/kg) | ≤10 | <10 |
| Arsenic(As)(mg/kg) | ≤3 | <3 |
1. Both menthol and racemic menthol are used as flavoring agents in toothpaste, perfume, beverages and candies.
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