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4.1.2 Minerrt conretrr or flour<br />
4.1.2.1 Iror cotrt€ut<br />
Th. mtu squad p@enkn in Tdbt. { indiqr.d Ulr stoogc @nditiolB ed<br />
p&krai4 h.r€ri.tr hd no signili@r ellan on iDn 6n&m of no!. sompl6. ifne ion<br />
@nr€nr ditIftd sisnific! 1, by fte stom8e periods aM rEftnen$. .the iron conr.<br />
(lits-I5) {ioctin.d iD rtre l]rst forrtrigh ofthe cnlire srorage pe od,.r.he ion ontenr in<br />
fi€sh forrilied whole whcat flolr s&npl6 s found 0o b. siSnific&rty $. highqn<br />
(?417 pFn) unich dalin.d to 70.95 ppn in nou $npte rercd.r lita 60 d.F<br />
sod8.. No sisnifi@t ch&s. in rjE 6ni. of iM in ,ortiti.d wlDtc wtEcr Rour<br />
sanpl6 wasobseNed bctwed 30 ro 60 days sror.ge pqiod.,t.lF iron @ q| de@cd<br />
lo 4.34% slier two 6onth! slonge or nou6 irope.tiv. of th. slomge condiria3 ed<br />
rn. da:|w in.ion conrenr durs $oEg. p.nod msy be arrribur.d b mon;<br />
r€6ans rikc rype offodifrc0 s lnd thcjr oh.r<strong>ac</strong>eristi6 i,e, sotubility, inrersction with<br />
orhe.nuric sand sedin.nrotion erc. Ho herS(t985)posrut.red hst when lh€rc is nred<br />
to lonify thc di.t nol onty wiri ior bul ole witi otnq rurricnG, rh+ is e intecrion<br />
hten ion.nd o.hq n c. Sonerin6 @rptcx inr.@rion bd@n ibn, a.tricl. &id<br />
dher fodificrnts Elcs ptm..<br />
OMNI I la96' J$cribctt rh4 he nabr.ir) of difreql torms ot i@n d.p.nds on<br />
larioG letots inctudins n.t!e of $. rood I h odded lq pdicl. siz dd cxpotuE to<br />
haL dnd .ir [|emqtat ibi is uild lo fodify bMtfarl 6sb and hav€ ber found b<br />
hove .xalld srabitity duri,{ p@sirs $d srorag€. R.du@d non is scn@ y dF<br />
pr€r.hbl. lbnn in flour whcn lonc etf litc k d$ftn. Th. ,najor ad!ffr.go ot<br />
Nar.ElllA ovei orh.r n n bnificarionconrruids is rhsi irprvctrb,on tion bi.din8<br />
wid' phytic .cid peenr in hey @ts qd t€SuDe sninr. rh. cutts in Figurc t6<br />
sho*ld diol lrorD.nts dilllMllrcd sieniuc&rlty with Bpccl (o imn con@&?rion ir<br />
tne whole whcrt norrsrmpt.s, This didercnc. is auributcd lo ure usc or vdjoB s(rcs<br />
of jotr wlth difterent conceot.utioo of non in dch s.tr (N.!.EDTA 13% irun &<br />
Elehenhl non 96% tronl. llEhigtEr xon conr.nr 6lounJ in lqhenl t.(IoniUed<br />
wirh.lhenrol iren dd zinc oxide) while rh€ tow6t ibn @rcdnhuon ws ldunit in To
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