Ho Sheng-hsiung discovered that despite the high value of peanuts, after harvesting the Argentinian farmers left the crop lying in the fields where it was exposed to the wind and the rain, which encouraged the growth of the toxic mold Aspergillus flavus.
何勝雄發現，以花生這麼昂貴的農產品來說，阿根廷是採收以後直接放在田野，任由風吹雨打，這一來很容易產生黃麴毒素。