It is secreted from the parotid gland.
The compound opiorphin found in this substance in humans has been shown to suppress as much pain as morphine. Polytene chromosomes were discovered in fruit fly cells that normally produce this substance. An inability to produce this substance is characteristic of xerostomia, which can be caused by Sjogren's syndrome. The most important enzyme in this substance cleaves alpha 1,4-glycosidic linkages. Sialogogues increase the secretion rate of this substance, which is vital for the formation of a bolus. It is secreted from the parotid gland. For 10 points, name this substance which contains amylase to break down carbohydrates, a liquid found in your mouth.
The compound opiorphin found in this substance in humans has been shown to suppress as much pain as morphine.
saliva [prompt on "spit"]