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De ce lacrimam cand taiem ceapa

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Spark
Spark
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PostSpark Sat Dec 01, 2012 4:57 pm

Mereu mi se intampla acest lucru,iar azi,cand am taiat doua cepe,mi s-a intamplat la fel,am inceput sa lacrimez si sa ma usture ochisorii.Mereu mi-am pus intrebarea:De ce lacrimam cand taiem ceapa?Si uite ca m-am gandit sa ma documentez putin sa aflu cate ceva.Ei bine raspunsul a fost simplu:Mi-am adus aminte de un site pe care il foloseam si am inceput sa citesc.Raspunsul va fi urmatorul:Odata ce taiem ceapa,noi distrugem celulele din care aceasta este alcatuita,acestea continand enzime si sulfoxizi aminoacizi(=combinatia aminoacizilor cu sulful din sol).In interiorul cepei,enzimele sunt separate de aminoacizi,dar acum interactioneaza intre ele formand gazul volatil,ce intra in ochii nostri.Asa se produce lacrimile si usturimea aceea pe care o simtim cand taiem o ceapa.

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