any thoughts on Charles Bamforths comments re: meta usage?
I received a response to an inquiry I made to Dr. Bamforth and I am waiting for a follow up response for some more detailed clarification, but it turns out that Dr. Bamforth doesn't oppose the use of sulfites in the mash, he just has industry OE that under certain circumstances, and too large of a dose, that they can be an issue.
He also stated that as a proviso to this experience, it was worth noting that the high sulfate content of the Burton water was likely a contributor as well.
More to follow...
Thanks for getting to the bottom of this. Sounds like it's exactly as suspected, that the quote in question didn't reveal the full story.
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To be fair, I asked my own question and got an answer. I don't want to imply anything negative about Brulosophy. I may have asked my question with a more probing focus given what I know about the process.
Furthermore it doesn't seem, given Marshall's assessment and the assessment of those with him who subsequently tasted the samples, that the sulfur issue was perceived as a huge deal. It may have affected perception of the beer in the main experiment, but given the extract and attenuation differences were also present, the sulfur perceived by Jake becomes less of a smoking gun.
It is, on the other hand, a topic of interest for others having sulfur issues using the method. I'm waiting on a follow up from Dr. Bamforth and then I'm going to do a write up at the blog that talks about the relationship between sulfite/Sulfate/sulfide in the hopes it can help shed some light on the issue.