Microencapsulation Of Omega-3 Rich Flaxseed And Fish Oils | ||||
| Egyptian Journal of Chemistry | ||||
| Article 62, Volume 65, Issue 2, February 2022, Page 623-638 PDF (895.89 K) | ||||
| Document Type: Review Articles | ||||
| DOI: 10.21608/ejchem.2021.101420.4749 | ||||
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| Authors | ||||
Said F. Hamed 1; Ayat F. Hashim  1; Hoda Abdel Hay2; Kamel A. Abd-Elsalam3; Ibrahim M. El-Sherbiny4
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| 1Fats and Oils Department, National Research Centre, Egypt | ||||
| 2Chemistry Department, Faculty of Science, Ain Shams University, Egypt. | ||||
| 3Agricultural Research Center – Plant Pathology Research Institute, 9 Gamaa St., 12619 Giza, Egypt | ||||
| 4Nanomaterials Lab, Center of Materials Science (CMS), Zewail City of Science & Technology, Egypt. | ||||
| Abstract | ||||
| Omega-3 fatty acids can be widely considered as potential therapeutic agents due to their antioxidant, nutritional, and health aspects. They have unsaturated nature which leads to susceptibility to oxidation conditions. Therefore, to get the maximum health benefit and to minimize or prevent the process of oxidation, omega-3 rich oils must be protected against atmospheric oxygen. To achieve this objective, two strategies were usually carried out: First addition of an antioxidant to the oils, and second, the encapsulation process. Here we review omega-3 fatty acids chemistry, natural sources, health benefits, and antimicrobial activity. This review highlights obstacles to incorporating omega-3 fatty acids in foods, particularly concerning oxidation. The importance of incorporating natural polyphenols especially curcumin as well as using different wall materials (sodium alginate, chitosan, and natural clays) in microencapsulating fish and flaxseed oils were also discussed. Different techniques of encapsulation were highlighted as well. | ||||
| Keywords | ||||
| Fish oil; flaxseed oil; Health benefits; Microencapsulation; Clay | ||||
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