Ask Mr. Wizard Converting starches Q I used a recipe calling for eight pounds of British pale two-row, one pound of carapils, and some crystal and chocolate malts. I am using a step mash: 30 minutes at 126° F, 15 minutes at 140° F, one hour at 154° F, and five minutes at 168° F. After the 15-minute beta amylase step at 140° F, I took a sample just for kicks and ran the iodine test; it showed no starch! This was before my 154° F conversion rest. How can all the starch be converted to sugars this soon? And if it is, why bother with the one-hour conversion rest? A One of the most important aspects of measuring anything is to understand what is being measured and how the measuring device works. Read More |
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