milbemycin a3

Milbemycin A3 is a member of a complex family of macrocyclic lactones that contain a characteristic spiroketal group produced from the fermentation of soil bacterium S. hygroscopicus subsp. aureolacrimosus. As a compound that potentiates glutamate and GABA-gated chloride-channel opening, milbemycin A3 is used as a nematocide and insecticide. The acaricidal and nematocidal activity of a mixture of milbemycin A3 and milbemycin A4 against adult spider mites, spider mite eggs, and C. elegans are reported at IC50 values of 5.3, 41.1, and 9.5 μg/ml.

Milbemycin A3 Oxime 是一种大环内酯抗寄生虫剂，对Dirofilaria immitis显示出强效抑制作用。

Milbemycin oxime 是一种大环内酯，具有广谱抗寄生虫活性。它由 Milbemycin A4 和 A3 组成。它可结合谷氨酸门控的氯离子通道，可作用于肠道线虫，肺和心脏蠕虫。

Milbemectin is composed of 30% milbemycin A3 and 70% milbemycin A4, exhibiting acaricidal and nematocidal properties effective against adult spider mites, their eggs, and C. elegans, with IC50 values of 5.3, 41.1, and 9.5 µg ml, respectively. It functions as an allosteric agonist of the Drosophila RDL GABA receptor, and demonstrates efficacy against the pinewood nematode, B. xylophilus, with an LC20 of 0.0781 mg liter.