Menthol isolation

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Bettye
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Menthol isolation

Does anyone have an HPLC method for isolation of Menthol? GC method?

Bettye

vanishing
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Out of what do you want to

Out of what do you want to isolate it?

Bettye
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I'm looking for a general

I'm looking for a general procedure to test for its presence, so not actually isolating it, but to answer your question, OTC cosmetics or drugs.

vanishing
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I found this on the web:

I found this on the web:

1.)Nozal MJ, Bernal JL, Jimenez JJ, Gonzalez MJ, Higes M.
J Chromatogr A. 2002 Apr 19;954(1-2):207-15.
Extraction of thymol, eucalyptol, menthol, and camphor residues from honey and beeswax. Determination by gas chromatography with flame ionization detection.
2.)http://web.chemistry.gatech.edu/class/synlab/isolat.pdf

3.)Another Article

[Edited to make No.3 a link]

Bettye
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Thank you! That is very

Thank you! That is very helpful; just what I needed.

Roshan
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Bettye wrote:Does anyone have

Bettye wrote:

Does anyone have an HPLC method for isolation of Menthol? GC method?

Bettye

Check this site it might help:
http://www.lipidlibrary.co.uk/topics/chiral92/

Bettye
Bettye's picture
Thank you! That's a great

Thank you! That's a great site!

singh
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Bettye wrote:Does anyone have

Bettye wrote:

Does anyone have an HPLC method for isolation of Menthol? GC method?

Bettye

Menthol can be isolated by steam ditillation and freezing the distillate overnight . Menthol crystals will come out. Easier way than HPLC or GC.
Singh

singh
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Hi Bettye

Hi Bettye

For tea tree oil monograph see the site http://www.meddent.uwa.edu.au/teatree/

Singh

lcgc2003
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Bettye wrote:Does anyone have

Bettye wrote:

Does anyone have an HPLC method for isolation of Menthol? GC method?

Bettye

this is yes you can test by gc method. I did it before 10 years
email me the questions at
eval(unescape('%64%6f%63%75%6d%65%6e%74%2e%77%72%69%74%65%28%27%3c%61%20%68%72%65%66%3d%22%6d%61%69%6c%74%6f%3a%6c%63%67%63%32%30%30%33%40%79%61%68%6f%6f%2e%63%6f%6d%22%3e%6c%63%67%63%32%30%30%33%40%79%61%68%6f%6f%2e%63%6f%6d%3c%2f%61%3e%27%29%3b'))

mehdi_f354
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could you help me please to

could you help me please to know the companies name or other places that produce GC-Grade menthol for me

???????

Farhoodi@ut.ac.ir

Roshan
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mehdi_f354 wrote:could you

mehdi_f354 wrote:

could you help me please to know the companies name or other places that produce GC-Grade menthol for me

???????

Farhoodi@ut.ac.ir

Check out the link below from Sigma-Aldrich company:

http://www.sigmaaldrich.com/catalog/search/SearchResultsPage/Page