In this thesis, attention is paid to the gut-brain axis, focusing more on how our gut influences human behavior. First, the microbiota, its functions and how it influences the nervous system are described. Subsequently, the central and peripheral nervous system and then analyzing the notion of the second brain, located in the intestine. The part relating to how the microbiota acts on mood and all the various mechanisms that make up the gut-brain axis and the connection with psychological disorders such as anxiety and psychiatric diseases such as depression is then explored in depth. In support, some studies conducted on animals are discussed which provide evidence of the close correlation mentioned above. Attention is also paid to which medicinal plants offer active ingredients reported to maintain the intestine in eubiosis and therefore also promote good mental health such as Panax Gingseng, Schizandra Chiensis and Salvia officinalis. In conclusion, literature evidence is provided on the correlations between the effect of active ingredients of plant origin and maintenance of the gut-brain axis even if the mechanisms underlying the gut-brain correlation and the consequent development of psychiatric disorders are not yet clear. In fact, studies in this field are constantly evolving.
In questo elaborato di tesi si pone l’attenzione sull’asse intestino cervello, concentrandosi maggiormente su come il nostro intestino influenza il comportamento umano. Dapprima viene descritto il microbiota, le sue funzioni e come influenza il sistema nervoso. In seguito, il sistema nervoso centrale e periferico per poi andare ad analizzare la nozione di secondo cervello, localizzato nell'intestino. Viene quindi approfondita la parte relativa a come il microbiota agisce sull’umore e tutti i vari meccanismi che compongono l’asse intestino cervello e la connessione con i disturbi psicologici come l’ansia e malattie psichiatriche quali la depressione. A supporto, vengono discussi alcuni studi condotti su animali che portano le prove della stretta correlazione sopra citata. Si pone inoltre attenzione su quali sono le piante officinali che offrono principi attivi riportati mantenere l’intestino in eubiosi e favorire quindi anche una buona salute mentale quali Panax Gingseng, Schizandra Chiensis e Salvia officinalis. In conclusione, sono portate evidenze di letteratura sulle correlazioni tra effetto dei principi attivi di origine vegetale e mantenimento dell'asse intestino-cervello anche se non sono ancora ben chiari quali sono i meccanismi alla base della correlazione intestino-cervello e conseguente sviluppo di disturbi psichiatrici. In tale campo infatti gli studi sono in continua evoluzione.
Asse intestino cervello: principi attivi di origine vegetale
GASTALDELLO, ANGELA
2023/2024
Abstract
In this thesis, attention is paid to the gut-brain axis, focusing more on how our gut influences human behavior. First, the microbiota, its functions and how it influences the nervous system are described. Subsequently, the central and peripheral nervous system and then analyzing the notion of the second brain, located in the intestine. The part relating to how the microbiota acts on mood and all the various mechanisms that make up the gut-brain axis and the connection with psychological disorders such as anxiety and psychiatric diseases such as depression is then explored in depth. In support, some studies conducted on animals are discussed which provide evidence of the close correlation mentioned above. Attention is also paid to which medicinal plants offer active ingredients reported to maintain the intestine in eubiosis and therefore also promote good mental health such as Panax Gingseng, Schizandra Chiensis and Salvia officinalis. In conclusion, literature evidence is provided on the correlations between the effect of active ingredients of plant origin and maintenance of the gut-brain axis even if the mechanisms underlying the gut-brain correlation and the consequent development of psychiatric disorders are not yet clear. In fact, studies in this field are constantly evolving.File | Dimensione | Formato | |
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Tesi SFA Angela Gastaldello PB.pdf
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https://hdl.handle.net/20.500.12608/68655