Added: Clarance Mcmullan - Date: 21.01.2022 18:22 - Views: 34454 - Clicks: 6384
Chemists have now unravelled this decade-old mystery, in the process revealing that the dark blue pigments at the centre of the mystery are similar to indigothe dye used to produce blue jeans. Magic mushrooms or Psilocybe are fungi producing the psychotropic compounds psilocybin and psilocin.
They are one of several species that instantly develop a blue coloration when they are cut or bruised.
In Boletales mushrooms, oxidised gyrocyanin or pulvinic acid are the source of the blue colour. research had established that the blue colour was caused by oxidised psilocybin, but the nature of the pigment and the biochemical pathway producing it had remained elusive.
Magic mushrooms contain a of psychotropic compounds including psilocybin and psilocin. Growing the mushrooms in their lab, they had seen the mysterious blueing reaction countless times. But when they tried to extract and purify the blue compound, they failed. The researchers dug deep into the analytical toolbox with liquid chromatography—mass spectrometry, Maldi mass spectrometry, infrared spectroscopy, as well as time-resolved nuclear magnetic resonance spectroscopy to observe the compounds as they form.
The pigment, as it turns out, is not just a single compound but a complex mixture of linked psilocybin oxidation products. Most of them are quinoid psilocyl oligomers — compounds not unlike indigo, a deep blue pigment used to dye jeans. All of the six mushroom pigments the team identified are products of a cascade reaction starting with psilocybin. A phosphatase enzyme takes off its phosphate group, converting it into psilocin.
An oxidising laccase then creates psilocyl radicals, which combine to form C-5 coupled subunits and then further polymerise via C Proposed reaction scheme for the conversion of psilocybin into blue pigments. What exactly the blue pigments do, however, remains a mystery. The compounds might produce reactive oxygen species, which are toxic to any insect nibbling on the mushrooms. Winter agrees. C Lenz et alAngew. David Julius and Ardem Patapoutian honoured for discovery of ion channels activated by temperature and mechanical force.
Second record for iron complex as chemical shift beyond —10,ppm discovered in phosphorus atoms directly bound to the metal.
Site powered by Webvision Cloud. References C Lenz et alAngew.
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