期刊
PHARMACEUTICAL DEVELOPMENT AND TECHNOLOGY
卷 23, 期 10, 页码 1047-1056出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/10837450.2017.1314491
关键词
Eugenia caryophyllata; lipid systems; spray drying; product stability; in vitro intestinal permeation
资金
- Sao Paulo State Research Foundation - FAPESP [2012/098906, 2011/10333-1, 2012/03427-2]
- Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP) [12/03427-2] Funding Source: FAPESP
Clove is an aromatic plant spice with potent antioxidant and anti-inflammatory activity. Eugenol is the main compound which contributes to such medicinal and nutritional benefits. To date, the formulation of unstable, volatile and poorly water-soluble compounds remains a challenging task. Lipid formulations can be used to improve physicochemical and biopharmaceutical properties of poorly soluble compounds. The aim of this study is to investigate the effects of lipids, such as Gelucire and Compritol on physicochemical properties; stability and in vitro intestinal permeation of spray dried powdered formulations loaded with clove's bioactive compounds. Results showed that eugenol retention in spray-dried powders could be correlated with antioxidant activity and with mass recovery after spray drying. Adding Gelucire but not Compritol to clove extract formulations, improved solubility of spray dried powders. Stability test in high humidity environment (63.5% RH) suggested that formulations including both Gelucire and Compritol were significantly more stable compared to the formulation without any lipid at the two tested temperatures (25 degrees C and 40 degrees C). This suggests that lipid additions to clove (Syzygium aromaticum) extract formulations provide protective effects for the spray dried powders in high-humidity environments. In addition, results from in vitro intestinal permeation studies suggested that eugenol uptake, was not being hindered by transporters nor was the absorption being affected by lipid formulations.
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