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
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) | - | Â |
Licensed CGD-CHPs | 721 (7.0) | 217,897 (63.6) | 1,389,244 (22.2) | - | Â |
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 |