This tiny frog the size of your fingernail might seem harmless but its skin is packed with a toxic alkaloid ptx 323a .
这种袖珍青蛙只有指甲盖大小,看上去人畜无害,但是它们的皮肤上布满了一种叫做ptx323a的生物碱。
But , the locals say , this is a great opportunity to show that coca isn 't harmful - with or without the cocaine alkaloid .
但是,当地人说,这是一个很好的机会来证明有或没有的可卡因生物碱的
Though the cocaine alkaloid is one of 10 alkaloids in coca leaves and represents only 0.8 % of the chemical make-up of the plant , it 's removal is mandated by international anti-narcotics agencies when used outside the andean region .
It 's actually an alkaloid plant toxin ( like nicotine and cocaine ) , a bug killer that stimulates us by blocking neuroreceptors for the sleep chemical adenosine .