Screening of strains with high content of secondary production in endophytic fungi and fermentation liquid from wild soybean Study on formulation of liquid-solid compressed tablets of total triterpenoids from Sclerotii Poriae Cortex Extraction of triterpenoids from fruits of Ganoderma lucidumby supercritical fluid extraction Triterpene biosynthesis in Euphorbia pekinensis induced by methyl jasmonate