Originally Posted by dantheman13
Is p-coumaric acid also extracted during a ferulic acid rest?
I've been trying to find out a bit about acid production in the mash (in relation to the topics in this thread
), but its pretty tough going without a background in the science. As far as I can understand, the enzymes responsible for increasing ferulic acid levels in the wort (cinnamoyl esterases) should also increase p-coumaric acid. I'm going by what I can understand from this paper