Koch perceived that it would be far better if one could solidify a well-tried liquid medium with some clear substance. 郭霍设想，如果能用某种透明物质将经过多次试验的培养液固化可能更好。
But the researchers discovered that if they grew the fungus in a fermenter or on a liquid diet, the production of the toxins fell precipitously. 但是，研究者们发现，如果他们在发酵池中或者液体培养液中种植这种真菌的话，这种真菌所产生的毒素会大量下降。
