Show Cellulose Found in Most Plant Matter Specimens Specimens S Most types of plant matter con con- contain contain contain tain large amounts of cellulose Cel Cel- Cellulose Cellulose Cellulose as well as starch is formed by the linking together of large num num- numbers numbers numbers bers of molecules of certain sugars known as The sug sug- sugars sugars sugars ars which include all of the familiar sugars are characterized by the fact that th t they contain a string siring of six carbon atoms in their molecules Corncobs grain hulls and straw L and ana dried dr ed sugar cane stalks contain in addition a class classo o of compounds known as are also built up from froma a large number of sugar mole- mole molecules molecules J cules es but of a type known as pen- pen t toses containing five instead ad of six carbon atoms When are heated with di dilute di- di dilute dilute lute acids says a writer in the Chi Chi- Chicago Chicago Chicago cago Tribune extensive decomposition tion takes place with the formation of caramel and various organic acids Similar treatment applied to results in the formation of a large amount of furfural a clear water-insoluble water liquid with a characteristic pungent odor Furfural different from all other cheaply produced organic compounds com com- compounds compounds pounds has its most important use usein usein usein in the refining of petroleum cants Furfural is one of those com com- compounds compounds compounds pounds that do not dissolve in inthe inthe inthe the oil but are arc capable of washing out from it a large part of the tarry materials that detract from its lubricating properties |