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Table 1 Distribution frequencies of licensed and prescribed CHPs containing phytoestrogens* based on a one-million patient random sample (1997–2007) from the NHI system of Taiwan

From: Prescription profile of Chinese herbal products containing coumestrol, genestein, and/or daidzein among female users: an analysis of national health insurance data in Taiwan between 1997 and 2007

Chinese herbal products No. (%) of licensed CHPs No. (%) of female CHP users No. (%) prescriptions of CHPs Cumulative dose (g) median (10%-90%) Major corresponding (metabolic) active substance(s) in humans
Total no. (%) licensed CHPs 10,309 (100) 342,440 (100) 6,270,813 (100) -  
Licensed CGD-CHPs 721 (7.0) 217,897 (63.6) 1,389,244 (22.2) -  
Puerariae Fructus 60 (0.6) 13,761 (4.0) 35245 (0.6) 5.9 (2.0-34.0) Genistein, daidzein and biochanin A, coumestrol
Puerariae Radix 505 (4.9) 182,899 (53.4) 986,110 (15.7) 10.8 (1.7-57.6) Puerarin, daidzin, genistin, daidzein and genistein, coumestrol
Sojae Semen Praeparatum 74 (0.7) 86,273 (25.2) 323,413 (5.2) 4.2 (0.6-17.5) Genistein, genistin, daidzein, daidzin, glycitein and glycitin, coumestrol
Sophorae Flavescentis Radix 75 (0.7) 63,511 (18.5) 180,720 (2.9) 4.9 (1.5-15.0) Daidzein, genistein and formononetin
Sophorae Flos 38 (0.4) 8,853 (2.6) 25,871 (0.4) 12.6 (2.0-48.0) Genistin, genistein
  1. *Phytoestrogens mainly contained coumestrol, genistein and/or daidzein.