... • Cost – Little to none (besides cost of spectrophotometer). • Cost Benefit – Establish color specs for your core beers – Gives you the ability to adjust the color to your needs • ... precursors in wort due to lipid peroxidation. • Overheating your brew leads to free radical formation • Free radical formation leads to oxidation. • Oxidation in beer leads to suffering (and poor ... 332-3 38 • Khatib, A., 2006, Studies of iso-alpha-acids: analysis, purification, and stability. Doctoral Dissertation, Leiden University. • Kishimoto, T., 20 08. Hop-Derived Odorants Contributing to...