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. 2020 Sep 10;20:277. doi: 10.1186/s12866-020-01962-w

Fig. 2.

Fig. 2

Principal component analysis (PCA) defined by the two principal components (PC1 and PC2) of the maximum OD600 nm values of all bifidobacteria strains growth on GOS, FOS, XOS, IMO, RS, Glu, Inulin, Raffinose, Stachyose. (a) represents bifidobacterial strains (rhombus represents infant-type bifidobacteria, the triangle represents adult-type bifidobacteria) and (b) represents carbon sources. GOS, galacto-oligosaccharide; FOS, fructo-oligosaccharide; XOS, xylo-oligosaccharide; IMO, isomalto-oligosaccharide; RS, resistant starch; Glu, glucose; FMT, Food Microbiology Technology Laboratory