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llaUh.rs (t99) rcponcd rhd durins !resnancr, $o mn n..ft jncEasd<br />
don.ri@lly, e s b pbvide jrun tor rlE <strong>ac</strong>lus, the ncw m.teau Isso* dd $€ grsrty<br />
rncr.lssr nrr.6al bl@d votunE. Accordins ro ltdtberg, rtE vom$,s,on Neds<br />
in@sl lron I ms/day in $c tiFr trim6re. up ro about lO ns/day at rhe.nd ot r<br />
rhird t ime$r. Althoush rh€ woM in.l$ .berplion subsh.rj.Iy, sh. coutd not<br />
@v.rrllrh€ incr.bed neds &d reguir.d M.rks 3_5 mg iD,'d.y ftEusho $e whol.<br />
Scholl ./ ,1. (t992) derermired rhar ibn-defici@y lncmE ounng pssMcy<br />
od4 leads lo prcn!tu e detilery_<br />
cook.l,l, (1996) defin€d ion dctioiucy oemi, es ! h€noSlobin l*et b€toq<br />
.ut{lr for as. and $x ptus o( test lwo olher obrcmat iron srrlos trlqsuMenr' Thc<br />
mosl @Dmonly ued aE pmblbly taw *nn ferni[ high FlbpoQnyrh ond mre<br />
@'lly high swnr rensf.Fin eceplor.<br />
Lo.fi.r,l, (1996) qptoF! rhd chitdE. qirh tDA ufcr froh inFoir.d n.nr,l<br />
lnd physi@l ddclopmmr. Prcg@r *on.n md youns chitdM wnh DA hove !<br />
signilj.qntly dimi.ish.d ability ro oomb.r inrerion, IDA itr,JurG 6n!6 tutisu. &d<br />
contitrut6 ro low worl .aplciry.<br />
Cousi ( 196) srar.d rhlr ar is rh. nost ibundar inueltuttr tEc. eldst &d<br />
irs wide dislribution indiotes rlBr Zn hs very bsic tundioN. Za hs drce major<br />
dill.ent tuncrion! in bio logy: clt sl'iic, strlclurll o trd Egutqrory, Mosl bi@lEnietrot6<br />
ofzn Eflecr its involvcnrenl ir 0largc nuNber oaeMynres jnd ho,t rl 50 difllEnrztr<br />
melrrr@nzym.s hav€ beer iderrifi€J, inctudire RNA ouclcolide polrnerase t u l lt,<br />
alksline thosphala and wbonic ainydoses. tnrponant $rrcrunt mls of Zn s! rlt Zn<br />
lin8.. horifin pror.iN bd de in nc6 o.n.yo* (i.e. C(ar sunerc, id. d ismulos.). ti<br />
addition, Zn lcts a, a stiDularor of hnsadn,B tucroN Bponsibte aor rcgutdling gen€<br />
'lumham (1997) cttrilied ttEt qsts onhin tiul. zinc uu rc<br />
poor. Low plMa l.vcls of zinc G .si.ied wirh inpoimol<br />
irDh(riry ard phagocyric fu.crion md dec@cd anlibody pmduclion.<br />
Bhuta (2000) repo&d lhll plsma lewts for crinolbinding porcin .nd zinc<br />
anronB youne inranh prcserrcd sirh diafth(! in Kalchj. takislan, indicrr€d that Dtssrni
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