Lub tshuab nqus tsev frying yog txheej txheem ntawm cov khoom noj khoom haus uas siv lub tshuab nqus tsev vacuum, uas ua haujlwm ntawm qhov qis atmospheric siab dua li cov qauv atmospheric siab. Hauv cov txheej txheem no, cov dej thiab cov roj hauv cov zaub mov evaporate ntawm qhov kub thiab txias, uas tiv thaiv kev tsim ntawm acrylamide thiab lwm yam kev puas tsuaj.
Nqus frying feem ntau yog ua ntej kho cov khoom noj los ntawm blanching los yog txheej nrog nyias txheej ntawm batter los yog txheej. Tom qab ntawd cov zaub mov tau muab tso rau hauv lub tshuab nqus tsev vacuum, qhov twg nws yog kib ntawm qhov kub ntawm ib ncig ntawm 120-140 degree ({2}} degree F) nyob rau hauv lub tshuab nqus tsev siab ntawm 50-80 kPa ({{4} }} 5-0.8 atm). Qhov qis atmospheric siab tso cai rau cov dej noo kom dim ntawm qhov kub thiab txias, uas pab khaws cov khoom noj muaj xim, kev ntxhib los mos, thiab tsw.
Lub tshuab nqus tsev frying feem ntau yog siv los tsim cov khoom noj txom ncauj zoo, xws li txiv hmab txiv ntoo thiab zaub chips vim nws txo cov roj uas nqus los ntawm cov zaub mov thaum kib. Nws kuj tseem txo qis kev tsim cov tshuaj phem, xws li acrylamide, uas yog cov kab mob carcinogen uas tuaj yeem tsim thaum cov khoom noj starchy siav ntawm qhov kub thiab txias.
