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'fh€ faec.l iinc €xcrerion w.s nole! ro b. @rchrin8 *ith rh. int"te of zirc $eu8h dier<br />
!s jr Ms lhe mirinun qirh To d .tlh day ud mdimum d 42nd doy n .ti.<br />
4.4.4-7 App.r.nt .bsorptiob of zirc<br />
Th. 6.lysis oa vrri.n@ for lhe .fecr of feqlins p.riod on ln. app@nt<br />
absoqtaon ofzin€ in nlalc mr hos been pE*nrc{t inTlbL 15. Th. siSnitiai.f€t ot<br />
rceding line a.d rnt!.t enls on appd.ni abbDrion ofzinc wG obsrN.d. The Etu.s,o,<br />
appdent aberption ol zinc in r@rmats 1; and l.? rcE ,ienifioo ty d p& as T, did ,ol<br />
cortlin add.d zinc, The ini.@rion of 6@ tdi.bt* M, .ls ,t ifiqn. I ric oppasnt<br />
lbsptim {a niend .t 35$ d.y of$q r€oding p.riod for r@tncnt T, tud the loret<br />
valu. \8 obsp.J in T and T0 ar 7th and 2r,t Jiy ottlE ieedng rime, Gp4riv.ly<br />
(labhTl),TlE inleftclive.ffdt ofNaFcEDlA in dpp.r€nr absrprioi oizjnl su lo<br />
be o (ontribLrin! hctor $hcn sulr5 of tod'fie{l a{t unto.'ti.d smpla wm petal.<br />
Th. zinc lulphor. is conlid.red ro he noc biousitable su@ otzinc itsiwn *ittr ibn<br />
forrifi€mts rnd Is sqipan d in $. preFnr lrudy (Fie,92), tt is fudh.r suppo,Ld rhd<br />
EDTA is knoM locnharethebiorvaitabili(y otnincnk in hish phybtc f@ds.<br />
4.4.4.? Perccot .bsorpriotr ot ?inc<br />
F.cding tinca, t@ln€nls ed rheir inr.@rlon (T!b1.76) shoe.d 3isnifimr<br />
efect on % obsrptidn. The* voriubb nsnilimtly afl.cr.d the r.@m ab$rption of<br />
,inc (l:is -93). Th. nne.Nlion sho*sl lhot Frcent al,.orplon olnnc {6 lhe mqimunr<br />
d r4rh&d28rhd.y tr Tr tud I I respclively, s he6 $e lorer n.lwl .bsorplion ot<br />
zinc va @!dcd for Ta ar l4rh doy oalhe feqljng peliod CIabteT8).<br />
TlE ziDc sulade iho*.d drc hishcst pErcdr db&rpliotr tor zirc s oqiftun<br />
absortrion wa Nred nr Tr ud lj (ZnSOr) djers whilc nrinimunt Bith T1 diel gcr<br />
corrained ZnO w[ich has alativ.ly poor bi@vsilabitity. Hokvd, oon0idn,8 EUtc<br />
hovc been &porrcd in this @orcxt, Rosdq.Hulten er at.(l9l) sbred $rt,inilo. to<br />
(nc ircn-nn im.hclion zinc in [isl! doq i. rquous sotutiom inplib ircn abso.ption<br />
wh ile no .ll*r ir obs@cd when zinc is sdlled lo meats.<br />
Th. r6llts obrrioed for Fcrcenl sb$rttioo uc .r psr wilh thst ot t^F. et dt.<br />
{2001) who Save 2l to l8% nr vsrious whcd v!ri.ri*. Th* findinSs wcc funher<br />
supponed by Llv6r,Vcr1rt .1/t, (199t) tor ts(ql dbelprjoo tor zinc s $. v.l@s<br />
given by ften fall wilhin th. tuse of rh.fitrdiBsoathe p@nr srudy,
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