臭氧果蔬保鲜包装技术及试验_高德.pdf

2 0 0 6 8 37 8 * 高　德　谷吉海　董　静　徐晓娟 , , , C , 2 : : T B485. 2 ; T S206. 6 : A - Ozone Fruits Fresh keeping Packaging Technology and Experimental Research Gao De1Gu J ihai1Dong Jing1 X u Xiao uan2 ( 1. H arbin Univ ers ity of Commerce 2. Zhej i ang Science and T ech nol ogy Colleg e ) Abstract - T he key of ozo ne fr esh keeping t echnolo gy is how t o cont ro l and ad ust o xy gen and car bon diox ide co ncent rat io ns in t he package. T he gas permeabilit y o f packaging m aterials is t he m ain fact or of ad u st ing gas concentrat ions w it hin packag e. A new met ho d of calculating g as - perm eabilit y of packaging m at erials w as inf err ed by w ay of int egrat ing cro ss cutt ing dynam ic pr ocess of f ruit s respirat ion and f il m perm eability . U nder no rmal t emper at ure, by o zone w at er fr esh -keeping ex periments o n Qing shui honey peach and beanpod , t he correct ness of t his new met ho d w as validat ed . T his met ho d has the sig nif icat ion in g uiding people on choo sing - - . t hicknesses of oz one f resh keeping film and on det erminat ion of f resh keeping t ime T he fo llow ing index es of rot t en r at e, g ood f ruit r at e, w eig htl ess rat e, so luble solid cont ent , reductive sugar cont ent , t ot al acid , the V C cont ent , t he cont ent of chl