Ananas: Controindicazioni e Bibliografia

Ultima modifica 12.02.2020

A cura della Dott.ssa Rita Fabbri


Controindicazioni, avvertenze speciali ed opportune precauzioni d'uso, effetti indesiderati

Per l'Ananas, non abbiamo studi clinici condotti su donne in gravidanza ed in allattamento;  in questi casi è quindi opportuno informare il medico prima di assumere prodotti che la contengono. I preparati a base di Ananas sono controindicati nei soggetti con ulcera peptica e nei pazienti in terapia anticoagulante (59). La Bromelina può aumentare l'assorbimento di tetracicline e amoxicillina:

  • In uno studio in doppio cieco effettuato su 127 pazienti, la Bromelina ha significativamente aumentato i livelli sierici di amoxicillina rispetto al gruppo di controllo trattato con amoxicillina e placebo. Inoltre, nel gruppo a Bromelina si sono riscontrati livelli tissutali di amoxicillina significativamente maggiori (47).

Risultati similari sia per l'amoxicillina che per le tetracicline, sono stati riportati in uno studio controllato con placebo effettuato su 54 pazienti trattati con Bromelina (46).
Sebbene non siano noti effetti collaterali significativi, potrebbero verificarsi reazioni allergiche in individui sensibili oppure esposti per ragioni professionali (60-61). Altre possibili reazioni, anche se non confermate, comprendono nausea, vomito, diarrea, metrorragia e menorragia (62).



Bibliografia

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  58.  Sulla origine dell' autismo di Pierluigi Fortini - Dipartimento di Fisica, Università di Ferrara; 2009.
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  60.  Baur X: Studies on the specificity of human IgE-antibodies to the plant proteases papain and Bromelain. Clin Allergy 9, 451-457, 1979.
  61.  Baur X and Fruhman G: Allergic reaction, including asthma, to the pineapple protease Bromelain following occupational exposure. Clin Allergy 9, 443-450, 1979.
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