Artificial vomit to act as a joke article has an appearance and smell to give an impression that a stomach's contents have been brought up

摘要

In small amounts and very diluted, butyric acid conveys a characteristic smell of vomited stomach contents. If this is dissolved in a matrix that corresponds to the appearance of vomited stomach contents, then the deceptive effect is amazing. Preferably, the matrix is formed from water and food particles.