
Keywords: انعکاس مجموع بازتاب-فوریه تبدیل مادون قرمز; 4-MUB; 4-methylumbelliferone; AHC; ascending hierarchical classification; ANOVA; one-way analysis of variance; ATR-FTIR; attenuated total reflection-Fourier transform infrared; DNS 3; 5-dinitrosalicylic acid; EMC; equilibrium moisture content; PCA; princi