Intestinal microflora molecular markers of spleen-deficient rats and evaluation of traditional Chinese drugs

Figure 3 Shannon’s index of ERIC-PCR fingerprintings of Pi-deficient rats before and after TCM treatment. Pi-deficiency was induced by Radix and Rhizoma Rhei first in all groups except for the control group (Group 1) that received distilled water. Control: Group 1 received distilled water in both inducement and treatment phases. Model: Group 2 received Radix et Rhizoma Rhei but distilled water during treatment; Entro: Group 3 received Entrocoordinatibiogen during treatment; Ban: Group 4 received decoction of Ban-xia-hou-pu-tang during treatment; Si-L, Si-M, Si-H: Groups 5-7 received low, middle and high doses of Si-jun-zi-tang, respectively; Li-L, Li-M, Li-H: Groups 8-10 received low, middle and high doses of Li-zhong-tang, respectively; Bu-L, Bu-M, Bu-H: Group 11-13 received low, middle and high doses of Buzhong Yiqi Tang, respectively; Yi-L, Yi-M, Yi-H: Groups 14-16, received low, middle and high doses of Yi-wei-tang, respectively.