Patent ID: 7658955
Filing Date: 2010-02-09
Classification: A61K

Abstract:
1. A process for producing an extract of Pueraria candollei var. mirifica Airy Shaw. & Suvat. comprising the steps of: obtaining a dry particulate plant material of contacting said particulate with a first aqueous ethanol extraction solvent consisting essentially of a mixture of water and about 40% to 60% by volume ethanol, and obtaining a first liquid extract; contacting the first extracted particulate with at least one second aqueous ethanol extraction solvent consisting essentially of water 60% to 69% by volume ethanol to obtain a second liquid extract; combining the first and second liquid extracts and drying the liquid extracts to obtain a substantially dry extract, wherein said dry extract comprises at least 20 mg miroestrol and deoxymiroestrol, about 3-11 mg daidzin, about 12-30 mg puerarin, about 0.5-2.0 mg genistin, about 1.1-3.6 mg daidzein, and about 0.2-2 mg genistein based on 100 g of said extract.