Table 1 9 — Effectiveness of vacuum-cooling vegetables with large surface 



area-to-volume ratio 









Duration 













of 



Temperature 



of commodity at - 



y 







vacuum 



Beginning 



End of 



Commodity 



Container 





cycle 



of cycle 



cycle 









Minutes 



1« 



1* 



Brussel sprouts 



Quart cup 





20 



68 



38 



Cabbage 



None 





20 



68 



Uo 



Coleslaw 



Cellophane 



bag 



20 



67 



31; 



Coleslaw 



Cellophane 



bag 



18 



65 



32-36 



Endive 



Crate 





20 



68 



36 



Endive j, Belgian 



Bundle 





31* 



67 



U0 



Escarole 



Grate 





20 



68 



36 



Lettuce 2/ 



Grate 





tt 



60-70 



32-33 



Lettuce 3/ 



Crate 





20 



72 



32 



Lettuce 



Cellophane 



wrap 



10 



75 



3U 



Lettuce 



Carton 





13 



71 



36 



Lettuce 



Carton 





13 



69 



3U 



Parsley 



Crate 





20 



68 



31 



Salad mix 3/ 



Cellophane 



bag 



20 



65 



35 



Soup mix 3/ 



Cellophane 



bag 



20 



62 



3U 



Spinach 



Cellophane 



bag 



20 



65 



3k 



Spinach 3/ 



.Cellophane 



bag 



20 



66 



35 



Spinach 



Bushel basket 



10 



61 



37 



1/ Results were obtained by Friedman {"J.9 Q.» Z> ±£) » anc ^ ^ roiT1 unpublished 

 data unless otherwise indicated, 



2/ Data from Clements (3). 



3/ Data from Barger (l) c 



