The whole plant of si gua of Guangdong province posesses the effect of insecticide. The fruit contains hydrocyanic acid which is very toxic to fishes.

• 粤丝瓜(广东丝瓜)全植物有杀昆虫作用，果实含氢氰酸，对鱼毒性很大。广东丝瓜又称十稔丝瓜及澎湖丝瓜。