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Abstract min ftion accounted for 18 - 22 )~ while the clutelins represented 14 - 16 % of the’ totL~l soluua:e proteins. ’3. 711e Vlnter - solulJle Dunflower ~)l’ot(!ini3 ( albu;·.lins ) y.’ere fractione.ted into seven COJ:1::!Ol1or,t ,j 011 SephndC:A G-IOO The 8pectrophotornetric LnnlysC’c revealed tho cont[l- mination of ell the fractions vii th vG.ryinc u:lounto of, nucleic acids e.nd the aSf:ocie.tj.on of chloroccnic ncid r:i th the lc.,st pl’otcin frnction e!:1cn.ed 11’ujT; tIle Sephuclex If-’ The totel albwnins extracteci from c}~loroGenic acid - free defatted sunflower flour were fr[~ctionRtecl into fiv\..: ’ ffinjol’ e:..n(l three :ninor cornpOnC?lt 5’. The df’ ta obt8.ined from total auino aciu cO’11fJO si ti on of Sl.Ulflov.Ter ~:ernels showed the pre sence of a larLe E.!!101.ll1t of eluta.r.lic 8.cid also its content of ar~~inine D.nd aspartic acid was found to be hiCh co~p3red to other [~~ino f~cid::.;. In ~~un:rl o\’,e1’ see~ s, 1:; 0:i D(~ co.ve the 1 O\”le 8t chei.1:i-c’[ll 8(;Ore vnlue 60 , thu~ it is considerec1 the first 1imi tine...; c-.::nno acid. ( Leucine + isoleucinc) ) :U’;c1 t;ll’ee(’,ninc’ :..:.nvc- 0. clLc’;;:icn1 SCOj’(’ of bl. L’ End S:O. 0 1’0 s)ec ti ve 1y, \’lhereQs [l11 the other uilino acills e:’:ccoded the res)ecti ve 1ev01s in the reference pattern sU,-:-=:e8ted by FAO/’/tEO (lS?3). The result:..: of w,Lino ucicl detcr:1il1/.tions 81so shoned thEt ~:unflo\,,rer seed kernels contained in a l’1’ee state all the COJ:l,110n protein amino acids except cystine, serine and threonj ne. Glutar’lic nc-id , aspartic acid, vG.1ine. £;.ncl trjpto!)han were found in e;reatcst aI10untG and accow1tc for G9. 6 ~; of the total free o.r:1ino acids. The D..’:1ino acid analyses of the total sunflower seed Clobu1ins t al burnins and al bumin components showed 80:::0 similf’ri ties b”tween these various protein fractions, i. e. they cont[~inecl relo.ti vely high concentraations of aspartic acid and :;lut82:tic acid. They were also ricJ~ in ar~inine. ’.::”11e total. Clobulins contained high level s of phenylle.lanirH: unG. tyl’osine but lo\’.’ levels of c.?stine and !l1ethii,)r.ine cOI!1pared to that of the totul sunflo’uer al bw:lins. Eowever, it could be C’oncluc..ed from the Eun.ino acid. |