Journal
POLYMERS
Volume 11, Issue 6, Pages -Publisher
MDPI
DOI: 10.3390/polym11061059
Keywords
lignin; drug release; paracetamol; disintegration
Categories
Funding
- Synthesis and Solid State Pharmaceutical Centre (SSPC) - SFI
- European Regional Development Fund [14/SP/2750]
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The influence of lignin modification on drug release and pH-dependent releasing behavior of oral solid dosage forms was investigated using three different formulations. The first formulation contains microcrystalline cellulose (MCC 101) as the excipient and paracetamol as the active pharmaceutical ingredient (API). The second formulation includes Alcell lignin and MCC 101 as the excipient and paracetamol, and the third formulation consists of carboxylated Alcell lignin, MCC 101 and paracetamol. Direct compaction was carried out in order to prepare the tablets. Lignin can be readily chemically modified due to the existence of different functional groups in its structure. The focus of this investigation is on lignin carboxylation and its influence on paracetamol control release behavior at varying pH. Results suggest that carboxylated lignin tablets had the highest drug release, which is linked to their faster disintegration and lower tablet hardness.
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