portant; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: 0.01ms !important;">苦portant; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: 0.01ms !important;">楝portant; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: 0.01ms !important;">油含有一種稱為portant; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: 0.01ms !important;">印楝素portant; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: 0.01ms !important;">（Azadirachtin）的portant; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: 0.01ms !important;">化學成分portant; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: 0.01ms !important;">，具有強效的抗微生物活性，同時具有殺蟲效果，可用來作為portant; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: 0.01ms !important;">天然殺蟲劑portant; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: 0.01ms !important;">，市售的殺蟲劑商品內也會添加這種成分。借由噴灑苦楝portant; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: 0.01ms !important;">萃取液portant; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: 0.01ms !important;">，可使植物變得不好吃，而阻止portant; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: 0.01ms !important;">昆蟲portant; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: 0.01ms !important;">取食。如昆蟲繼續取食，則會抑制昆蟲的產卵和脫皮能力。對人、動物、portant; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: 0.01ms !important;">鳥類portant; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: 0.01ms !important;">無害無毒，完全環保。但是因為印度苦楝溫和而環保的資材，并非一般的portant; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: 0.01ms !important;">化學農藥portant; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: 0.01ms !important;">、殺蟲劑，所以并不會馬上毒殺昆蟲，會慢慢使昆蟲無法進食、成長及繁殖而死亡。portant; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: 0.01ms !important;">作用方式portant; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: 0.01ms !important;">主要是讓昆蟲不喜歡停留噴灑的區域而離開需要保護的植物，并且吸收到印度苦楝而發生portant; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: 0.01ms !important;">發育不全portant; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: 0.01ms !important;">的狀況，所以需要一段時間（昆蟲的portant; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: 0.01ms !important;">發育周期portant; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: 0.01ms !important;">大約7到14天）。