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navyseals101
Stranger


Registered: 09/16/04
Posts: 1,053
Last seen: 6 years, 7 months
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Bluing question
#5545655 - 04/22/06 10:04 PM (17 years, 9 months ago) |
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Whenever mushrooms turn blue do they lose there potency?
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Snaggletooth
Stranger in a Strange Land


Registered: 10/24/05
Posts: 6,109
Loc: blinks stupidly
Last seen: 6 years, 8 months
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yes it's oxidation of psilocybin/psilocin.
How much loss, that I do not know...
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thenewguy05
The Mushroom Man


Registered: 02/11/05
Posts: 2,123
Loc: My Underground Layer
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they say the more bruising the less the potency. honestly there is no concrete answer but i can give you my input. psilocybin is the active chemical that stores well in mushrooms. psilocin is a very unstable compound and therefore oxidizes very easily. when you eat mushrooms your body coverts psilocybin into psilocin and you strat trippng.
they say you start tripping harder if you eat the mushrooms when they are fresh. i'm not sure if this is true but i can verify that more psilocin is present in fresh mushrooms as oppose to dry ones.
personally i cut them down with scissors and examine the end that stains blue and can almost always tell a rough estimate of the strength. many and most will say this is bullshit which is fine by me but everyone has their own opinion and they are entitled to it.
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RogerRabbit
Bans for Pleasure


Registered: 03/26/03
Posts: 42,214
Loc: Seattle
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In that case how about the non active Boletes that also stain blue? I think it's something else. What, I have no clue, but I believe it's something other than the active ingredient that causes the staining. Too many other non active species also stain. RR
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HippieChick
Chicks can do it too!


Registered: 02/20/05
Posts: 5,958
Loc: Midwest
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Bullshit 
Peace,Love,Happiness and Harmony Hippie Chick
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mogur
regnartS

Registered: 11/15/05
Posts: 322
Loc: Puget Sound
Last seen: 11 years, 2 months
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Bluing of non active Boletes, as RR mentioned, and non-bluing of some psilos, seems to go against the common belief that it is due to psilocin oxidation. However, right now, I have to toss my hat in with this 'urban legend'. Here's quote from Tom Volks about the bluing reaction in Boletes [check the cool bluing video on that page]-
Quote:
The blueing reaction is easily explained through biochemistry. A compound called variegatic acid remains colorless unless it is exposed to oxygen. The cell walls of Gyroporus cyanescens are easily broken, exposing the variegatic acid to the air. The oxygenase enzyme converts the variegatic acid to its quinone methide, which is blue. Interestingly, in many other boletes, in the absence of oxygen, variegatic acid is converted to variegatorubin, which is responsible to the red color found in many members of this group.
Chemists have tried to identify the chemical responsible for the blue color in psilos, and suprisingly haven't been able to pin it down. A quinone is a likely candidate for this pigment also, since their their alternating single and double bonds trap certain wavelengths. However, that will be determined by some future study.
What convinces me that psilocin oxidation is responsible for the blue color is that those psilos that don't stain blue are low in psilocin content and vice versa. How that relates to your original question is that if psilocin is the precursor to the 'blue chemical', then yes, some active is lost when you see bluing. Since scientists haven't even pinned down the mechanism, however, the amount of magic lost is totally unknown. But, I would be cautious about activities that exaggerate this bluing, such as physical bruising, freezing, and anything else that can expose large amounts of intracellular fluids to the atmosphere.
Edited by mogur (04/23/06 01:40 AM)
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