期刊
JOURNAL OF FOOD ENGINEERING
卷 215, 期 -, 页码 1-12出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.jfoodeng.2017.07.002
关键词
Quercetin; Nanostructured lipid carrier; Linseed oil; Oxidation stability; Antioxidant activity
资金
- Science and Technology Achievements Transformation Projects of Jiangsu Province of China [BY2016076-10]
Due to their poor solubility in hydrophilic matrices and chemical instability, the applications of quercetin and linseed oil in functional foods are limited. In this work we have encapsulated quercetin and linseed oil into NLC by high pressure homogenization technique. Quercetin and linseed oil co-loaded nano particles were less than 100 nm in diameter and spherical in shape. Nano-encapsulated quercetin was found to be presented in NLC with less ordered lipid cores as an encapsulated amorphous form. And the solubility of quercetin in hydrophilic matrices consisted of linseed oil and surfactants was improved by at least 1300 folds. The addition of linseed oil improved the in vitro antioxidant activities of quercetin loaded NLCs. Besides, the in vitro release of quercetin from NLC exhibited a sustained pattern. Lower lipid oxidation was found in quercetin and linseed oil co-loaded NLC compared with conventional linseed oil emulsion. Finally, storage study indicated that the fabricated NLCs were stable for more than 3 months at 25 degrees C. In conclusion, NLC could be a promising vehicle for delivery of hydrophobic bioactive compounds and omega-3 unsaturated fatty acids in food industry. (C) 2017 Elsevier Ltd. All rights reserved.
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