合成
CAS号:26048-05-5
品名:白僵菌素Beauvericin
中文别名:cyclo(D-α-Hydroxyisovaleryl-L-N-methyl-Phe)3;
英文别名:beauverin;beauverinbassiauavuillemin;bovein;Cyclo(-D-a-hydroxyisovaleryl-N-Me-Phe)3;
分子式:C45H57N3O9
分子量:783.949
精确质量:783.409
Psa:139.83
MDL号:MFCD00056846
PubChem号:24891996
密度:1.126g/cm3
沸点:975.6ºC at 760mmHg
闪点:543.8ºC
折射率:1.529
储存条件:2-8ºC
蒸汽压:0mmHg at 25°C
简介:Beauvericinisadepsipeptidewithantibioticandinsecticidaleffectsbelongingtotheenniatinfamily.ItwasisolatedfromthefungusBeauveriabassiana,butisalsoproducedbyseveralotherfungi,includingseveralFusariumspecies;itmaythereforeoccuringrain(suchascorn,wheatandbarley)contaminatedwiththesefungi.BeauvericinisactiveagainstGram-positivebacteriaandmycobacteria,andisalsocapableofinducingprogrammedcelldeathinmammals.
用途:1.真菌性杀虫剂。通过孢子接触到虫体后,在适宜温度和湿度萌发,形成菌丝,菌丝穿透虫体壁伸入体内,进行繁殖,使昆虫血液内充满孢子,以致死亡。可用于农业或林业防治多种害虫,如防治松毛虫,药剂对水稀释,用每毫升含活孢子1亿个药液进行喷雾。与2.5%敌百虫粉剂混用,每克混合粉含活孢子1亿个,用药量112.5~1150g混合粉/100m2。