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Forma farmaceutica solida a base di polvere di foglie di senna e del relativo estratto

Forma farmaceutica solida a base di polvere di foglie di senna e del relativo estratto

Arundhati Bhattacharya / Meenakshi Bajpai / Vijay Agarwal

98,90 €
IVA incluido
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Editorial:
KS OmniScriptum Publishing
Año de edición:
2026
Materia
Farmacología
ISBN:
9786630343656
98,90 €
IVA incluido
Disponible

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La maggior parte delle formulazioni a base di erbe presenta una carenza di studi preformulativi e postformulativi. Pertanto, si è cercato di determinare le caratteristiche preformulative e postformulative della polvere di foglie di senna e del sennoside di calcio. La compressa convenzionale a base di polvere di foglie di senna e sennoside di calcio potrebbe rilasciare una quantità significativa di principio attivo nell’ambiente fisiologico dello stomaco prima di raggiungere il sito d’azione. Pertanto, è stata preparata una compressa con rivestimento enterico a base di sennoside di calcio e polvere di foglie di senna utilizzando acetato-ftalato di cellulosa per evitare la perdita iniziale del 5-8% di sennoside nello stomaco. A tal fine sono stati ottimizzati diversi fattori formulativi. Il rilascio in vitro della compressa rivestita è stato effettuato in HCl 0,1 N e in tampone fosfato a pH 6,8. Dopo il rivestimento enterico, la compressa ha dimostrato di essere più dipendente dal pH e di rilasciare il principio attivo solo a pH più elevati. Questo lavoro di ricerca dovrebbe risultare particolarmente utile ai professionisti impegnati nello sviluppo di formulazioni di farmaci a base di erbe, o a chiunque desideri condurre studi preformulativi e postformulativi su tali farmaci.

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