The test method: HPLC
The main component::95%3,4-divanillyltetrahydrofuran

It is used as raw material to produce medicine for some diseases, such as prostatic hypertrophy etc, and it can also used to manufacture the product related to muscle building and men health & nutrition supplements! It can fairly increase muscle power for athlete, very active and fast. It remedys for dandruff and will bring back the natural color of hair.