kinds of active ingredients from Stellera chamaejasme were isolated by dip,extraction and chromatograply,and their molecular structure were identified to be 7 hydro coumarin,daphnoritin and chamaechromone respectively The extraction against the fifth instar larvae of Pieris rapae was investigate
通过物质结构的四大谱 ( IR,UV,NMR,MS)鉴定 ,它们分别为伞形花内酯、瑞香亭和狼毒色原
Effects of antifeedant and stomach poison of daphnoritin and chamechromone to the 5th instar larvae of Pieris rapae L.
采用叶碟法和夹碟法两种方法 ,分别就瑞香亭 (daphnoritin)和狼毒色原酮(chamechromone)两种化合物对菜粉蝶 (PierisrapaeL 。
Effect of daphnoretin and chamechromone on the activities of esterase isozyme of the fifth instar larvae of Pieris rapae was studied by polyacrylamide gel electrophoresis.
采用聚丙烯酰胺凝胶电泳分析法 ,就瑞香亭 (daphnoretin)和狼毒色原酮(chamechromone)对菜粉蝶 (PierisrapaeL 。
In the same way, 7-hydrocoumarin, daphnoretin and chamaechromone were isolated from chloroform part of SCEE.
)根的乙醇提取物的石油醚萃取物和氯仿萃取物作了进一步分离 ,从其石油醚萃取物中分离得活性成分 β -谷甾醇 ;从其氯仿萃取物中分离得 3种活性成分 ,即伞形花内酯、瑞香亭和狼毒色原酮。
