I have no experience with sorghum, but your OG and yeats choice are very nicely conservative, and you say your distillate tasted fine. The only thing I can think of is that your aging vessel may have had unrinsed soap residue it. Everything else sounds great.
Zymurgy Bob, a simple potstiller Making Fine Spirits
--- In Distillers@yahoogroups.com, Chris Jude <vegbenz300@...> wrote:
> I've been running sorghum juice wine through my 3.5' packed still, and have
> a good amount now that I've had on some charred oak for about a month. The
> column is copper with copper packing. The wines tasted fine when I ran
> them. I tasted to liquor last night and it had overall a good flavor to
> it, but there was a soapiness to it that I'm concerned about. Any ideas
> where this may have come from? I used EC-1118 yeast, and would get to
> about 10% alc from a 20 brix juice.