[thenomad]

Speaking as someone whom I'm guessing is right in the OP's target market (extremely picky foodie willing to pay considerable sums for premium food products), tptacek's point about calling it "glaze" is right on.

Personally, I looked at the website, saw "glaze", and immediately thought "OK, I'm not buying that. I buy really good balsamic vinegar, but there's no goddamn way I'm buying something calling itself a pre-made glaze."