Proteinele din ouă se solidifică datorită căldurii. Cercetătorii americani au reuşit să inverseze acest proces cu ajutorul unor substanţe chimice.
”Da, am inventat o modalitate de a ‘defierbe’ un ou de găină”, a afirmat biochimistul Gregory Weisssaid de la Universitatea Irvine din California.
Adăugând uree peste un ou fiert, cercetătorii au reuşit să separe proteinele solidificate, iar oul s-a întors la starea lichidă. Apoi, cercetătorii au plasat substanţa lichidă într-un aparat care a refăcut proteinele.
Pare o joacă de copii, însă acest experiment este util în numeroase domenii de cercetare, printre care şi lupta împotriva cancerului.
”Credem că, dacă putem să ‘defierbem’ un ou, putem să aplicăm aceeaşi metodă când lucrăm cu proteine scumpe şi foarte importante, precum anticorpii”, a precizat profesorul Weisssaid, pentru ktla.com.
Notă: ureea este o substanţă organică incoloră, care se găseşte în urină, aşa că ouăle ”defierte” prin acest proces, nu mai pot fi consumate.
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