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Merceologie alimentara si nealimentara

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Amino-acizi β-lactoglobulina bovină α- cazeina bovină nepolari<br />

Ala-------------------------15----------------------------------9<br />

Val---------------------------9-------------------------------- 11<br />

Leu------------------------ 21---------------------------------17<br />

Ile---------------------------10--------------------------------11<br />

Pro---------------------------8--------------------------------17<br />

Met---------------------------5---------------------------------5<br />

Fen---------------------------4---------------------------------8<br />

Trp----------------------------2--------------------------------2<br />

Polari(neîncărcaţi)<br />

Gli------------------------------3-------------------------------9<br />

Ser------------------------------7------------------------------16<br />

Tre------------------------------8-------------------------------5<br />

Cis-------------------------------5------------------------------0<br />

Tir-------------------------------4-----------------------------10<br />

Asn------------------------------5------------------------------8<br />

Glu------------------------------9-----------------------------14<br />

Încărcaţi negativ<br />

Asp-------------------------------11----------------------------7<br />

Glu-------------------------------16---------------------------25<br />

Încărcaţi pozitiv<br />

Liz-------------------------------14----------------------------14<br />

Arg---------------------------------3----------------------------6<br />

His---------------------------------2-----------------------------5<br />

% nepolari----------------------46----------------------------40<br />

Total----------------------------160--------------------------199<br />

Β-lactoglobulina din lapte este prima proteină pentru care<br />

s-a determinat compoziţia în amino-acizi (a durat câţiva ani).<br />

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