Figure 4.
PCA of the first derivative and multiplicative scatter correction (MSC) of B. bifidum LMG 11041 for A: region I (3000-2400 cm -1 ), B: region II (1800-1500 cm -1 ), C: region III (1500-1200 cm -1 ), D: region IV (1200-900 cm -1 ) and E: all spectral regions (4000-850 cm -1 ), control: blue; garlic clove extract-treated: pink.