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Quando você come abacaxi e sente a língua coçar ou arder, não é apenas uma impressão subjetiva. Há dois mecanismos bioquímicos e físicos atuando simultaneamente: a ação enzimática da bromelina e a presença de cristais de oxalato de cálcio. A bromelina é um conjunto de enzimas proteolíticas, ou seja, enzimas que catalisam a hidrólise de ligações peptídicas em proteínas. A mucosa oral é revestida por células epiteliais ricas em proteínas estruturais, como queratina e outras glicoproteínas. Ao ent
40
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تحميل
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