| abstract |
[PROBLEMS] To optimize the preparation and analysis of an extract of Antrodia cinnamemea, and to provide an analytical method for accurately quantifying ergostan triterpenoid compounds and / or lanostane triterpenoid compounds in beef turf extract. [MEANS FOR SOLVING PROBLEMS] Important parameters regarding the extraction rate of beef turf extract are calculated from equation (I) using mathematical and statistical experimental design using nuclear magnetic resonance and liquid chromatograph tandem mass spectrometry. Extraction methods according to this parameter, drugs, health foods or other products incorporating this extract. [Selection] Figure 3 |