Patent ID: 8029832

Claim:
A method of treating obesity and metabolic syndrome diseases, comprising administering a composition comprising a therapeutically and/or prophylactically effective amount of Danshen ( Salvia miltiorrhiza ) extract, wherein the Danshen extract comprises cryptotanshinone and tanshinone IIA as tetrahydrophenanthrene derivatives; tanshinone 1 and 15,16-dihydrotanshinone I as phenanthrene derivatives; and one or more compounds selected from the group consisting of 1β-hydroxycryptotanshinone, 1-oxocryptotanshinone, tanshinol B, tanshinol IIB, przewaquinone A, dihydroisotanshinone I, tanshinone IIA sulfonate, 1,2-dihydrotanshinone I and tanshinone VI; wherein the ratio of tetrahydrophenanthrene derivatives:phenanthrenes derivative is in the range of 10:1 to 1:10 (w/w).