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Microencapsulation of oil and protein hydrolysate from fish within a high-pressure homogenized double emulsion.

ABSTRACT: In this study, the effect of high-pressure homogenization on the water-in-oil-in-water (W₁/O/W₂) double emulsions containing fish protein hydrolysate and fish oil encapsulated within a complex of whey protein concentrate and inulin were investigated in order to produce stable double emulsion. After adequacy of the positive influence of high-pressure homogenization at W₁/O (one pass) and W₁/O/W₂ (three passes), the double emulsions were produced with (H) and without (HS) high-pressure homogenization. H samples were demonstrated lower CI of double emulsion and higher amounts of yield, total oil, encapsulated oil, EPA and DHA of microcapsules in comparison with HS samples. At subsequent step, response surface methodology were applied to optimize the high-pressure homogenization conditions (700-1500 Ba) of double emulsions in terms of minimum CI of emulsions and maximum microencapsulation efficiency and oxidation stability. Optimal conditions were obtained by using high-pressure homogenization at 1000 and 1100 Ba on W₁/O and W₁/O/W₂, respectively.

SUBMITTER: Jamshidi A

PROVIDER: S-EPMC6952508 | biostudies-literature | 2020 Jan

REPOSITORIES: biostudies-literature

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Microencapsulation of oil and protein hydrolysate from fish within a high-pressure homogenized double emulsion.

Jamshidi Aniseh A Antequera Teresa T Solomando Juan Carlos JC Perez-Palacios Trinidad T

Journal of food science and technology 20190821 1

In this study, the effect of high-pressure homogenization on the water-in-oil-in-water (W1/O/W2) double emulsions containing fish protein hydrolysate and fish oil encapsulated within a complex of whey protein concentrate and inulin were investigated in order to produce stable double emulsion. After adequacy of the positive influence of high-pressure homogenization at W1/O (one pass) and W1/O/W2 (three passes), the double emulsions were produ ...[more]

PMID: 31975708

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Project description:IntroductionEsophagectomy is a major surgery with a high degree of catabolic and post-surgical inflammatory response accompanied by high morbidity and significant mortality. Post-surgical nutritional support via enteral administration of ω-3 fatty acids has been seen to be effective although its bad tolerance. There are few clinical trials with parenteral ω-3 fatty acids in these patients. We propose to investigate the effect of combining a parenteral fish oil lipid emulsion with the standard enteral nutrition (EN) support.Materials and methodsProspective, single-center, randomized, double-blind study in esophagectomized patients, and treated after surgery with parenteral lipid emulsions of ω-3 fatty acids or a mixture of ω-6 long-chain triglycerides/short-chain triglycerides 50%. These emulsions will be added to the standard nutritional support in continuous infusion until 5 days of treatment have been completed. Patients will be randomized 1:1:1 in Group A receiving 0.4 g/kg/d of fish-oil lipid emulsion and 0.4 g/kg/d of a lipid emulsion mixture of ω-6 long-chain fatty acids (LCT) plus medium-chain fatty acids (MCT) (total dose of 0.8 g/kg/d of lipid emulsion); Group B receiving 0.8 g/kg/d of fish oil lipid emulsion and Group C receiving 0.8 g/kg/d of LCT/MCT emulsion.The main objective is to determine whether 5 days administration of intravenous ω-3 fatty acid lipid emulsion is effective in normalizing interleukin-6 levels compared with LCT/MCT emulsions, and whether a 0.8 g/kg/d dose is more effective than 0.4 g/kg/d. Secondary outcomes include other inflammatory markers such as C-reactive protein, tumor necrosis factor alpha and interleukin-10, and parameters of morbidity, safety, nutrition and mortality.Samples will be collected at the time when surgery is indicated and on days 0, 1, 3, 5 and 21 to determine inflammatory, nutritional, hepatic and safety parameters. In addition, clinical follow-up will be continued throughout the hospital admision and up to 1 year after surgery.DiscussionStudies of ω-3 fatty acids administered parenterally in esophagectomized patients are scarce. This study proposes to investigate the effect of combining fish-oil lipid emulsions administered parenterally with EN support. Potential benefits include fast incorporation of lipids to the cellular membranes and to the inflammatory cascade, and the use of only 1 pharmaconutrient.Trial registrationFAR-NP-2017-01 EudraCT number: 2016-004978-17.https://reec.aemps.es/reec/public/detail.html searching the EudraCT number.Version identifierVersion 2, 08/06/2017.

Dataset Information

Microencapsulation of oil and protein hydrolysate from fish within a high-pressure homogenized double emulsion.

Publications

Microencapsulation of oil and protein hydrolysate from fish within a high-pressure homogenized double emulsion.

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