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InvisibleTien
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Registered: 03/30/05
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Methanol extraction of psilocybin * 2
    #5423664 - 03/20/06 10:13 PM (18 years, 2 months ago)

Quote:

This paper describes a procedure for the determination of psilocin and psilocybin in mushroom extracts using high-performance liquid chromatography with postcolumn chemiluminescence detection. A number of extraction methods for psilocin and psilocybin in hallucinogenic mushrooms were investigated, with a simple methanolic extraction being found to be most effective. Psilocin and psilocybin were extracted from a variety of hallucinogenic mushrooms using methanol. The analytes were separated on a C12 column using a (95:5% v/v) methanol:10 mM ammonium formate, pH 3.5 mobile phase with a run time of 5 min. Detection was realized through a dual reagent chemiluminescence detection system of acidic potassium permanganate and tris(2,2'-bipyridyl)ruthenium(II). The chemiluminescence detection system gave improved detectability when compared with UV absorption at 269 nm, with detection limits of 1.2 x 10(-8) and 3.5 x 10(-9) mol/L being obtained for psilocin and psilocybin, respectively. The procedure was applied to the determination of psilocin and psilocybin in three Australian species of hallucinogenic mushroom.




I don't know if this is of any value, but I haven't heard anyone talking of methanol for extraction of psilocybin...

Source

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OfflineTeon
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Re: Methanol extraction of psilocybin [Re: Tien] * 1
    #5424231 - 03/21/06 12:24 AM (18 years, 2 months ago)

NEVER use an abstract in place of the paper it represents. With out the whole thing you haven't read anything but a brief summary at best, an advertisement at worst.

Quote:

...I haven't heard anyone talking of methanol for extraction of psilocybin...




The Merck Index is pretty much the ultimate someone in the scope of a discussion like this.


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Edited by Teon (03/21/06 12:31 AM)

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Offlinedefcheck
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Registered: 02/24/06
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Re: Methanol extraction of psilocybin [Re: Teon] * 1
    #5426845 - 03/21/06 06:57 PM (18 years, 2 months ago)

http://www.erowid.org/plants/mushrooms/mushrooms_journal1.shtml

This link is the best reference I have found. The site is invaluable.

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Offlineredshadow
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Registered: 09/28/04
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Re: Methanol extraction of psilocybin [Re: defcheck] * 1
    #5439299 - 03/24/06 07:00 PM (18 years, 1 month ago)

umm i albert hoffman found a much better way then using methanol, you would have to heat you mixutue to 113F to exrtact in 45min to an hour thouther wise you have to continually mix for 12 hours! Methanol also grabes lots of other junk. the best method is to use dilluted acetic acid, or vinager with a ph of 4. i found this tut. a long time ago on the net and it was taken down by you know who. REMEBER THIS IS FOR INFORMATIONAL PURPOSES ONLY!!!!!

An Aqueous-Organic Extraction Method for
the Isolation and Identification of Psilocin
from Hallucinogenic Mushrooms
J. F. Casale
J. Forens. Sci. 30(1), 247-250 (1985)
HTML by Rhodium

Abstract
A simple aqueous extraction method for the isolation and identification of psilocin from Psilocybe Cubensis mushrooms is reported. This method employs a dephosphorylation of the phosphate ester to psilocin, which facilitates a greater product yield and simplifies identification. Psilocin extracted by this method is sufficiently concentrated and free of co-contaminants to allow identification by infrared spectroscopy and gas chromatography/mass spectrometry.

The tryptamines are one of four categories of hallucinogenic indoles in more than 20 classes of indole compounds comprising approximately 600 alkaloids1. Considerable research has been conducted with psilocin and psilocybin since their isolation by Hofmann et. al.2 Several extraction techniques1,3-6 have been used to isolate psilocin and psilocybin from more than two dozen species of mushrooms in four genera (Conocybe. Panaeolus, Psilocybe, Stropharia). The techniques that use methanol co-extract other compounds such as urea, ergosterol, ergosteral peroxide, ??,??-trehalose, baeocystin, and norbaeocystin3,4,7. At present, a useful aqueous extraction procedure has not been reported for psilocin and psilocybin.

The dephosphorylation of psilocybin to psilocin in vivo has been well documented1,8,9 and is thought to account for most or all of its central nervous system activity8. Conversion of psilocybin to psilocin is also necessary for aqueous extraction with organic solvents because of the very low lipid solubility of psilocybin. Extraction of only one compound also permits infrared analysis of the extract.

Concentration and detectability of psilocin and psilocybin are dependent on several variables, including:

The absence of glucose, which will prevent the production of psilocybin10.
Low levels of ammonium succinate, which will give poor yields of psilocybin10.
The growing medium, which requires a pH of less than 710.
Timing: maximum production of psilocybin occurs on the seventh day after germination, while maximum production of the mycelium is reached by the ninth day10.
Temperature: complete loss of psilocin and psilocybin will occur in harvested mushrooms left at room temperature for an extended period of time3.
Oxidation: psilocin will oxidize to a blue product (possibly accounting for the bluing color in the four genera containing psilocin and psilocybin)9.
Because of the increasing popularity of these mushrooms and kits available from drug oriented publications for growing mushrooms containing psilocin and psilocybin in cow manure a simple aqueous extraction procedure has been developed that extracts reasonably pure psilocin from mature mushrooms. This extraction method greatly simplifies the identification of psilocin from those mushrooms by infrared spectroscopy and gas chromatography/mass spectrometry (GS/MS).

Experimental
A representative sample of 2 to 10g of dried mushrooms is ground to a fine powder by mortar and pestle. The powder is mixed with 100 mL of dilute acetic acid in a 250-mL beaker. The pH is readjusted to pH 4 with glacial acetic acid. After standing 1 h, the beaker is placed in a boiling water bath for 8 to 10 min or until the internal temperature of the acid mixture reaches 70??C. The beaker is removed and cooled to room temperature under running water. The acid mixture is separated from the mushroom powder by suction filtration using glass wool. The filtrate is brought to pH 8 with concentrated ammonium hydroxide and quickly extracted with two 50-mL portions of diethyl ether. Gentle mixing instead of shaking should be used to prevent an emulsion. The ether is dried over sodium sulfate, filtered, and evaporated under nitrogen with no applied heat.

Crude psilocin will appear as a greenish residue. Recrystallization from chloroform/heptane (1:3) yields white crystals. The resulting powder can then be submitted to infrared and mass spectral analyses.

Results and Discussion
This method permits rapid isolation of psilocin from hallucinogenic mushrooms by co-extraction of both psilocin and psilocybin. Dilute acetic acid is an excellent solvent for this purpose, because both compounds are very soluble in acetic acid11 and very little of other interfering substances are extracted, It is most likely some other compounds are co-extracted but are removed from psilocin in the ether extraction from the aqueous base. Psilocybin is completely dephosphorytated to psilocin by heating the acid extract. After addition of the base, extraction into ether should be performed promptly, because of decomposition of psilocin at a greater pH than 712. The extraction and dephosporylation steps produce reasonably pure psilocin from a small amount of mushroom material. Two grams of mushrooms will often be sufficient to obtain an infrared spectrum of psilocin (Fig. 1). Smaller mushrooms exhibits provide ample psilocin for mass spectral analysis (Fig. 2).

This method has been used in our laboratory for six months and has given excellent results in separating psilocin from methanol-soluble compounds. Other identification techniques such as gas chromatography and microcrystalline tests are possible on psilocin extracted by this method.


References
Schultes, R. E., "Indole Alkaloids in Plant Hallucinogens" Journal of Psychedelic Drugs, Vol. 8, No. 1, Jan.-March 1976, pp. 7-25.
Hofmann, A., Heim, R., Barck, A., Kobel, H., Frey, A., et al, "Psilicybin [sic] and Psilocin" Helvetica Chimica Acta, Vol. 42, No. 2, 1959, pp. 1557-1572.
Beug, M. W. and Bigwood, J., "Quantitative Analysis of Psilocybin and Psilocin in Psilicybe Baeocystis (Singer and Smith) by High-Performance Liquid Chromatography and by Thin-Layer Chromatography" Journal of Chromatography, Vol 207, No. 3, March 1981, pp. 379-385.
Koike, Y., Wada, K., Kusano, G., Nozoe, S., and Yokoyama, K., "Isolation of Psilocybin from Psilocybe Argentypes and Its Determination in Specimens of Some Mushrooms" Journal of Natural Products, Vol. 44, No. 3, May-June 1981, pp. 362-365.
Ott, J. and Guzm??n, G., "Detection of Psilocybin in Species of Psilocybe Panaeolus and Psathyrella" Lloydia, Vol. 39, No. 4, July-Aug. 1976, pp. 258-260.
Guzm??n, G. and Ott, J., "Description and Chemical Analysis of a New Species of Hallucinogenic Psilocybe from the Pacific Northwest" Mycologia, Vol. 68, No. 6, Nov. 1976, pp. 1261-1267.
Lenny, A. W. and Paul, A. G., "Baeocystin and Norbaeocystin: New Analogs of Psilocybin form Psilocybe Baeocystis" Journal of Pharmaceutical Sciences, Vol. 57, No. 10, Oct. 1968, pp. 1667-1671.
Horita, A. and Weber, L. J., "Dephosphorylation of Psilocybin in the Intact Mouse" Toxicology and Applied Pharmacology, Vol. 4, No. 6. Nov. pp. 730-737.
Horita, A. and Weber, L. J., "The Enzymatic Dephosphorylation and Oxidation of Psilocybin and Psilocin by Mammalian Tissue Homogenates" Biochemical Pharmacology, Vol. 7, No. 1, 1961, pp. 47-54.
Catalfomo, P. and Tyler, V. E., "The Production of Psilocybin in Submerged Culture by Psilocybe Cubensis" Lloydia, Vol. 27, No. 1, March, 1964, pp. 53-63.
Clarke, E. G. C., Isolation and Identification of Drugs, Pharmaceutical Press, London, 1974, p. 526.
Agurell, S. and Eilsson, L., "Biosynthesis of Psilocybin Part II. Incorporation of Labeled Tryptamine Derivatives" Acta Chemica Scandinavica, Vol. 22, No. 4, 1968, pp. 1210-1218.


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