> what is menthol?
Menthol is extracted from peppermint, which is also known as Mentha piperita, brandy mint, and lamb mint. Menthol has been used for liver and gallbladder complaints, loss of appetite, nausea, vomiting, respiratory infections, menstrual cramps, toothache, the common cold, cough, and fever. Topically, Menthol has been used for muscle and nerve pain and as an antiseptic.
>>Specification of menthol crystal
Testing Items | Standard Requirements |
Character | Colorless transparent prismatic or acicular crystal, aroma of Asia natura menthol feature. |
melting point | 42?-44? |
specific rotation(20?) | -50°-- -49° |
Non-volatile matter | ≤0.05% |
Arsenic Content | ≤0.0002% |
Heavy Metals (By pb) | ≤0.0005% |
solubility | Add 1g sample to 5ml ethanol 90%(v/v), obtaining a clear solution. |
Levo-menthol Content | 95.0%-105.0% |
>>>.Main Function of menthol crystal
Applied in food field, often used as additives, with distinct fragrance smell, menthol can promote digestion and increase appetite;
Applied in daily necessities field, menthol can be added into a large amount of oral cleaning products, such as dentifrices, mouthwash and tooth powder;
Applied in rmaceutical field, because menthol has the function of inhibition and paralysis to sensory nerve endings, it can be used as counter irritant.
>>>>.Storage of menthol crystal
Storage: Store in a cool, dry and and well-sealed container; Keep away from moisture and strong light/heat.
Shelf Life: 2 years if properly stored.
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