Emulsion encapsulation of Bifidobacterium animalis subsp. lactis Bb12 with the addition of lecithin

Ivana Lisová, Šárka Horáčková, Renata Kováčová, Vojtěch Rada and Milada Plocková
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Ivana Lisová: Dairy Research Institute Ltd., Prague, Czech Republic
Šárka Horáčková: Department of Milk, Fat and Cosmetic Science, Faculty of Food and Biochemical Technology, Institute of Chemical Technology Prague, Prague, Czech Republic
Renata Kováčová: Department of Milk, Fat and Cosmetic Science, Faculty of Food and Biochemical Technology, Institute of Chemical Technology Prague, Prague, Czech Republic
Vojtěch Rada: Department of Microbiology, Nutrition and Dietetics, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic
Milada Plocková: Department of Milk, Fat and Cosmetic Science, Faculty of Food and Biochemical Technology, Institute of Chemical Technology Prague, Prague, Czech Republic

Czech Journal of Food Sciences, 2013, vol. 31, issue 3, 270-274

Abstract: The commercial probiotic strain Bifidobacterium animalis subsp. lactis Bb12 was encapsulated using emulsion encapsulation into milk protein matrix without and with the addition of 0.5% w/w lecithin into the oil. Different agitation speeds were used during the encapsulation process. The examination of microcapsules was carried out by optical microscope and fluorescence in situ hybridisation. The particle size distribution as volume based median d0.5 was evaluated by the laser diffraction method. In the case of no lecithin addition, the agitation speed did not influence significantly the size of the microcapsules. The addition of 0.5% (w/w) of lecithin into the oil caused a decrease of d0.5 value from 196 ± 37 µm to 79 ± 3 µm at an agitation speed of 500 rpm, and from 193 ± 24 µm to 39 ± 3 µm at 1200 rpm. It can improve the sensory properties of the products with the added microcapsules.

Keywords: microencapsulation; bifidobacteria; emulsifier; partical size distribution size distribution (search for similar items in EconPapers)
Date: 2013
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Citations: View citations in EconPapers (3)

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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlcjf:v:31:y:2013:i:3:id:188-2012-cjfs

DOI: 10.17221/188/2012-CJFS

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