As a part of our search for naturally occurring bioactive metabolites of mushrooms,we have in- vestigated the chemical constituents of more than 100 Basidiomycetes and Ascomycetes fungi,and isolated over 300 including...As a part of our search for naturally occurring bioactive metabolites of mushrooms,we have in- vestigated the chemical constituents of more than 100 Basidiomycetes and Ascomycetes fungi,and isolated over 300 including 150 new terpenoids, phenolics and nitrogen-containing compounds.The isolation,structural elucidation and biologically ac- tivity of the natural products from the higher fungi are briefly discussed.展开更多
对洱源丛枝瑚提取物进行了化学成分系统预试,结果表明其中含有甾体、萜类、挥发油、蒽醌类、香豆素类、氨基酸类、糖类等物质。测定了洱源丛枝瑚(Ramaria eryuanensis)子实体提取物的杀虫活性。结果表明,子实体提取物和乙酸乙酯萃取物...对洱源丛枝瑚提取物进行了化学成分系统预试,结果表明其中含有甾体、萜类、挥发油、蒽醌类、香豆素类、氨基酸类、糖类等物质。测定了洱源丛枝瑚(Ramaria eryuanensis)子实体提取物的杀虫活性。结果表明,子实体提取物和乙酸乙酯萃取物对小菜蛾有较强的毒杀活性。石油醚萃取物对粘虫有较强毒杀活性。石油醚萃取物进行柱层析共得到15部分淋洗液,其中 B1部分对粘虫有较强毒杀活性,72 h 死亡率达到100%;B1、B2、B5、B6、B7部分对小菜蛾的毒杀活性较高,72 h 死亡率均达到90%以上。展开更多
文摘As a part of our search for naturally occurring bioactive metabolites of mushrooms,we have in- vestigated the chemical constituents of more than 100 Basidiomycetes and Ascomycetes fungi,and isolated over 300 including 150 new terpenoids, phenolics and nitrogen-containing compounds.The isolation,structural elucidation and biologically ac- tivity of the natural products from the higher fungi are briefly discussed.
文摘对洱源丛枝瑚提取物进行了化学成分系统预试,结果表明其中含有甾体、萜类、挥发油、蒽醌类、香豆素类、氨基酸类、糖类等物质。测定了洱源丛枝瑚(Ramaria eryuanensis)子实体提取物的杀虫活性。结果表明,子实体提取物和乙酸乙酯萃取物对小菜蛾有较强的毒杀活性。石油醚萃取物对粘虫有较强毒杀活性。石油醚萃取物进行柱层析共得到15部分淋洗液,其中 B1部分对粘虫有较强毒杀活性,72 h 死亡率达到100%;B1、B2、B5、B6、B7部分对小菜蛾的毒杀活性较高,72 h 死亡率均达到90%以上。
