Quality Characteristics of Wheat Malts with Different Country of Origin and Their Effect on Beer Brewing

Figure 3

(a) PLS-DA score plot of volatile compounds obtained from GC-MS analysis of four wheat beer from grist containing 50% wheat malts. (b) The quality of PLS-DA score plots was evaluated using R²X, R²Y, Q2, and values and the permutation test validated by 200 times. GB, UB, KB, and AB represent wheat beers made of grist containing 50% of wheat malt from German, USA, and Korean wheat variety (Keumkang and Anzunbaengi), respectively.

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