Characterisation of human saliva as a platform for oral dissolution medium development

被引:114
作者
Gittings, Sally [1 ]
Turnbull, Neil [2 ]
Henry, Brian [2 ]
Roberts, Clive J. [1 ]
Gershkovich, Pavel [1 ]
机构
[1] Univ Nottingham, Sch Pharm, Nottingham NG7 2RD, England
[2] Pfizer Drug Prod Design, WRD Pharmaceut Sci, London, England
基金
英国工程与自然科学研究理事会;
关键词
Human saliva; Taste masking; Dissolution; Biorelevant medium; Physicochemical characteristics; Oral cavity; STIMULATED WHOLE SALIVA; FLOW-RATE; BUFFERING CAPACITY; DOSAGE FORMS; GASTROINTESTINAL-TRACT; SURFACE-TENSION; IN-VITRO; DRUG SOLUBILITY; SOLID-SURFACES; PH;
D O I
10.1016/j.ejpb.2015.01.007
中图分类号
R9 [药学];
学科分类号
1007 ;
摘要
Human saliva is a biological fluid of great importance in the field of dissolution testing. However, until now, no consensus has been reached on its key characteristics relevant to dissolution testing. As a result, it is difficult to select or develop an in vitro dissolution medium to best represent human saliva. In this study, the pH, buffer capacity, surface tension, viscosity and flow rate of both unstimulated (US) and stimulated (SS) human saliva were investigated in order to provide a platform of reference for future dissolution studies using simulated salivary fluids. Age and gender related differences in a sample size of 30 participants for each parameter were investigated. Significant differences were established between US and SS for all characteristics except surface tension. Therefore, the requirement for using two simulated salivary fluids should be considered when developing an oral dissolution model. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码:16 / 24
页数:9
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