期刊
CRITICAL REVIEWS IN FOOD SCIENCE AND NUTRITION
卷 62, 期 16, 页码 4356-4370出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/10408398.2021.1874870
关键词
Essential fatty acids; n-3 oils; nanotechnology; systematic reviews as topic; computer-assisted decision making
资金
- Research Career Fellowship of the CNPq/Brazil [311769/2019-5]
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico
Unsaturated fatty acids are prone to oxidation, but nanocarriers can protect them effectively. Research on nanoencapsulation of omega-3 unsaturated fatty acids showed that encapsulation efficiency and particle size are key characteristics for protecting the oil against oxidation.
The chemical structure of unsaturated fatty acids makes them highly prone to oxidation, which decreases their nutritional properties. Nanocarriers have the ability to protect unstable nutraceuticals and take them to their specific targets. Thus, the aim is to determine the effectiveness of nanoencapsulation of omega-3 unsaturated fatty acids as protection against oxidation, as well as to apply data-mining approach to identify nanoencapsulation profiles. Three databases were used to search for studies focused on comparing omega-3 encapsulation to the active compound in its raw form. Studies without oxidation test or no use omega 3-rich oil as active ingredient in nanoformulations were excluded. Twenty-three studies were included in the systematic review. The qualitative analysis indicated that the main evaluated parameters were encapsulation efficiency (%), physical-chemical parameters and oxidation (analyzed at different storage temperatures), oil type, and whether the formulation was added to food. With regard to quantitative analysis, studies that did not perform oxidation tests focused on comparing free oil to the encapsulated one were excluded. Data-mining indicated that encapsulation efficiency and particle size were the main characteristic defining nanocarrier's effectiveness in protecting the oil against oxidation. Nevertheless, it is important to note the main characteristics associated with oil protection in nanocarriers.
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