期刊
CARBOHYDRATE POLYMERS
卷 121, 期 -, 页码 27-36出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.carbpol.2014.11.063
关键词
Carrageenan; Polysaccharide biomaterials; Gelling; Drug release; Cytotoxicity
资金
- Macao Science and Technology Development Fund [116/2012/A, 048/2013/A2]
- University of Macau [MRG018/WCM/2013/ICMS, MRG006/WCM/2014/ICMS]
Carrageenan (CRG) is a family of natural polysaccharides derived from seaweeds and has widely been used as food additives. In the past decade, owing to its attractive physicochemical properties, CRG has been developed into versatile biomaterials vehicles for drug delivery. Nevertheless, studies also emerged to reveal its adverse effects on the biological system. In this review, we critically appraise the latest literature (two thirds since 2008) on the development of CRG-based pharmaceutical vehicles and the perspective of using CRG for broader biomedical applications. We focus on how current strategies exploit the unique. gelling mechanisms, strong water absorption and abundant functional groups of the three major CRG varieties. Notably, CRG-based matrices are demonstrated to increase drug loading and drug solubility, enabling release of orally administrated drugs in zero-order or in a significantly prolonged period. Other amazing features, such as pH-sensitivity and adhesive property, of CRG-based formulations are also introduced. Finally, we discuss the adverse influence of CRG on the human body and then suggest some future directions for the development of CRG-based biomaterials for broader applications in biomedicine. (C) 2015 Elsevier Ltd. All rights reserved.
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