Production of conjugated linoleic acid nano lipid carrier (NLC) for enrichment of low-fat pasteurized milk by it.

Document Type : Research Article

Authors

1 M.S. graduated of department of Food Science and Technology, Mmaghan brangh, Islamic azad University Mamaghan, Iran

2 Assistant Professor of Department of Food Science and Technology, Faculty of Agriculture, University of Tabriz, Tabriz, Iran.

Abstract

The use of nano-carrier for hydrophobic nutraceutical compounds such as essential fatty acids have multiple benefits such as controlled release in foods and in the body in a certain time and place. In this research production and evaluate the optimal oral nano lipid carrier containing CLA and adding it to low-fat pasteurized milk to make a product enriched with functional bioactive compounds had been discussed. The hot-homogenization technique was applied to produce NLC dispersions. NLCs prepared at 6% (w/v) poloxamer 407 concentration and at 10:1 ratio of cacao butter (solid lipid) to CLA (liquid oil) showed low particle size and narrow particle size distribution (81 nm and span = 0.83, respectively).The results of various testes such as particle size, stability over a period of storage time (60 days) (93 nm), turbidity and zeta potential were showed good physicochemical properties of nano lipid carrier. TBA test also showed CLA nano lipid carrier had lower percent of malon aldehyde and so higher stability against oxidation during 60 days storage. (p<0.05). Assessment of remaining CLA in pasteurized low fat milk fortified with CLA loaded nan lipid carrier during 14 days sampling showed that use of nano lipid carrier protected CLA during heat treatment (3.9% of fatty acids in milk) and we can use this system for protect CLA against oxidation, heating and other treatments to use this system for enrichment low fat dairy products.

Graphical Abstract

Production of conjugated linoleic acid nano lipid carrier (NLC) for enrichment of low-fat pasteurized milk by it.

Highlights

  • اندازه ذرات نانوحامل لیپیدی حامل CLA کم‌تر از 100 نانومتر (81 نانومتر) بود.
  • اندازه ذرات نانوحامل لیپیدی در طی 60  روز نگه­داری در مقیاس نانو (کم‌تر از 100 نانومتر) باقی ماند
  • با استفاده از سیستم ناوحامل لیپیدی، محافظت CLA در برابر اکسیداسیون، حرارت و سایر شرایط محیطی بیش‌تر شد

Keywords

Main Subjects

References

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Innovative Food Technologies
Volume 5, Issue 4
November 2018
Pages 651-662

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History

  • Receive Date: 01 June 2017
  • Revise Date: 30 September 2017
  • Accept Date: 12 November 2017

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