Rowan is attested from the 1520s in the sense "fruit of the service tree", adopted via French "sorbe" from Latin "sorbum" "service-berry". "Sorbus domestica" is also known as "whitty pear", the adjective whitty meaning "pinnate". The name "mountain-ash" for "Sorbus domestica" is due to a superficial similarity of the rowan leaves to those of the ash, not to be confused in "Fraxinus ornus", a true ash that is also known as "mountain ash". "Sorbus torminalis" is also known as "chequer tree"; its fruits, formerly used to flavour beer, are called "chequers", perhaps from the spotted pattern of the fruit. The name
Sorbitol an enema. Sorbitol works as a laxative by drawing water into the large intestine, stimulating bowel movements. Sorbitol has been determined safe for use by the elderly, although it is not recommended without the advice of a doctor. Sorbitol is found in some dried fruits and may contribute to the laxative effects of prunes. Sorbitol was first discovered in the fresh juice of mountain ash (Sorbus aucuparia) berries in 1872. It is also found in the fruits of apples, plums, pears, cherries, dates, peaches and apricots. Sorbitol is used in bacterial culture media to distinguish the pathogenic from most other