Show Well Cooled Cooled Produce Docs Does Not Overheat Fruits arid and vet vegetables stay alive after they are harvested and many lOt of the characteristic processes of growth continue This is one reaSOn why scientists of the Bureau of Plant Industry are tr trying ng constant constant- ly constantly to improve refrigeration which makes it possible to transport fresh fruits and vegetables Lower temperature not only retards mul mul- multiplication of bacteria molds and other organisms that cause cause spoil spoil- spoilage age but it also slows down the life processes of the fruits and vegetables Respiration is one of or the more important of these life ife processes and it creates one ono of oC the biggest transportation problems according to D F Fisher Bureau scientist Fruits and vegetables take in oxy oxy- oxy oxy- gen oxygen and liberate carbon dioxide This is accompanied b by the breaking breaking break break- breaking I ing down of carbohydrates s and the th e evolution of heat hent and accounts accounts for fo heating r self heating of pr produce produce uce under some 11 conditions 4 It is pos possible ible f Fisher fer er points out for a carload carlond o of bunch 1 iI h been beets or car car- carrots c car carrots r rots front from Texas Tens or California or California to be beso beso beso so steaming ho hot on on n arrival arri at sit t an eastern market th that t it is almost almost unbearable to tou touch h the produce with the bare barehand bare hand hand This heat is the the r result result sult of oC the res- res respiration res respiration of ot the the beets beets or carrots which of course are ar are spoiled under such mch uch conditions Recent tests by by the Bureau Bureau show that the ill effects Cf of the heat ot of respiration can be avoided almost completely if the produce is pro pre pre cooled cooled and nd forwarded under proper transit After a good job of preceding the produce will not heat itself much and the trans tunas transit it refrigeration ion doe does not need to do much more than overcome the tho heat that enters through the walls roof and floor floor of the tho car ar |