... extract 2.CAS No.:491-80-5 3.SPEC:Biochainin A 20% 4.MF:C16H12O5 5.Menopause Syndrome About Trifolium pratense ... amounts of isoflavones, such as daidzin, daidzein, genistin, and genistein, which has estrogenic properties. It was used in Chinese traditional medicine ... has been traditionally used as an antispasmodic, an expectorant, and a sedative for asthma, bronchitis and respiratory spasms. It is also ...