Fig. 4From: Oligosaccharide-based quality evaluation of Atractylodis rhizome and a strategy for simplifying its quality controlComparison for the content (mg/g) of FOS with different degree of polymerization (DP) in A. lancea and A. chinensis calculated based on individual calibration curve (Method 1) and calculated based on the calibration curve of DP 5 (Method 2). The sample codes are the same as listed in Table 1Back to article page