Comment · Tue, January 30, 2024 · ND Owner

Ergothioneine in Shiitake Extract

Original post in this thread

TheOptimizzzer · 12 points

Was ND’s product ever tested for ergothioneine levels? I know this was discussed briefly by MYASD quite a while back, but not sure if it ever happened.

Thanks!

What they were answering

TheOptimizzzer · 2 points

Interesting. Any preliminary range (% of shiitake extract) you’d be comfortable sharing? Would the extract be a further purification from your current shiitake extract? Or is this something that can just by synthesized?

u/MisterYouAreSoDumb · ND Owner

https://www.ars.usda.gov/ARSUserFiles/80400525/Articles/JAFC59_7841-7853_VitDSterol_RetailMushrooms.pdf

That paper from the USDA showed ergosterol content at 0.0792% in maitake and 0.0849% in shiitake. Our preliminary results were 0.0685% in our maitake and 0.07053% in our shiitake. So our numbers are right in line with the USDA numbers. Studies on ergothioneine in shiitake get a range of 0.012% to 0.043%. I'll check with my team how close we are on our numbers, but these are going to be around where it will be.

Other MYASD lines in this thread

Comment · Tue, January 30, 2024 · 3 pts
We did some work on method development for it, and are in the process of validating it. We also did ergosterol methods, and are validating those as well. We can get pure L-ergothionene, and I was considering doing a stac

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