Film Permeability Requirements for Storage of Apples

Th(' P('I'I1H'I I'('quirt'm('n Is of films 1'01' USP .inPllckllging fruits and \'pgptnbh's hll V(' not \){,PIt slw<'ified, Tit is is partly IW(,llUS{' physic-al il'l'pgullui t ips in paekllg(\ films hltv(, ('llllSN\ lI11slltjsfn ('tory ('olTPlatiOlls bl'twl'l'1l JlH'/l:;UI'('Ill('lltS of film P('I'Ill('niJilitips lWei thl' biologi('all'(' spons('s of pll(''d pl'oduC'(', :lnd /)(,('!lUS(, know!t•dgl' of tilt' biologic-al n('{'ds or fl'ui ts nnd ypgptnblcs in stol'llgP is stilllill1i tt'd, This n~port IH'pspnts It l1lt'litod or ('stimnting lil(' r,'spimtion n'quil'l'lll('nts of 20 pl'ineiplll YHl'it'ti(':; of npp!t•s at '"tlriotls storag(' t('1ll1Wratlll'('S, Thl' propospd lltplhod.idl'lltifi('d as till' R.s'I\'Y'~ fOl'lIlula.pl'(l\'idl's for difl'pl'('lH'(,S in J'P:;pil'ntioll rntps of npplps nt ii s(orngl' \('!llppratlll'('s, rol' 2:) ~izc's of ('OIl I ai llPI'S, Hnd l'Slilllll (PS c'ol't'(,ctions for P;I(, kll~I' yolullH's nnd S(""('nd ('ol1('pntl'lllions of oxygPI1 Illld ('nl'bOll dioxidp, FOl'll1ulns IU't' gin•n 1'01' l'x«on"ioJls of tit<' Ill('!hod to ot])('I' S(OI'llgl' ('ondi liolls_ 'l--";IPot' pprlllPabili ly nnd possi bll' IH'l'll1,'nbili ( \" l'l'quin'IlH'llts of puckng<' film,:; fol' ~IL':;('':; othel' than (,Hriwll dioxitip lInd ()x~'gl'n IU'P dis('usspd, .\. ,:;imph' f11('1ll1S is sllggl's(pd fOl' compar ing ('psults obtninp(\ with difJ'('I'('nt lllodifil'd ntlllospht'I't,s, SOil!.' oiJjc,('tiv('S 111'(' oll'('I'p(l to bring lll('IISlJl'l'lllpnts 0[' film pPl"IIll'abilitit's dos.•r in lilw wilh thl' bi,)logi(,111 pitenolllc'nlL of pn ('kngl'd Pl'Oci(I('(I, It is lwli('wd thllt ('"Iimn!('s obtllinl'd by tllP m('thod [ll'o,"idl' hllsic' dlllll [IUlt htl'"!' not h('l'l'lo[oI'P b('['11 Ilvn.ila.bll'fol' JllH'kngp film Sl)('('iIic'II.lions, It is intpncl('(1 that fin;ll s]l('('ifimlioll" llllty 11£'1' ('11[1('(' h(' bmwcl Oil 1ll0l'(' Ploc'('isl' pXlwrinwlltnl I'vicil'Il('C', Should til(' JIl('lhod pl'on' to 1)(' V:tiUllhlp in sp('('.ifyin~film rt'quirPJlll'nls I'or npph's, it j:-; bl'lipn'(\ that its US!' mn h(' l'Plulily I'X[Plldpd (0 illlpl'()\'C' pa('kH~ing or other fruits IUld ngl'tltbkc:: 11mI tlUI":; bl'ltl'(' Illaintnin tlwir CJ1lality,