Results To determine the Oridonin extracted from diethyl ether of plasma by RP-HPLC method, the retention time was stable, the linear curve fitted well, and the results were accurate and reliable.

The cultural fruiting bodies of the Gymnopilus spectabilis were phytochemical investigated using layer extracts with petroleum ether, diethyl ether, methanol and water and silica gel chromatography.

Fat in male and female squillid meat and squillid heads was extracted with diethyl ether by means of rapid fat extractor instead of Soxhlet extractor respectively.