Flavor Formation of Stable Double Emulsion Systems with Encapsulated Biologically Active Substances

Abstract

Ensuring the functional food ingredients stability and the flavor formation of foods fortified with them meets the healthy nutrition principles, which contributes to the human and future generations health, as well as reduces the disease risk. The research aim was to study the biologically impact of the active substances encapsulation into double emulsion food systems (DEFS) on the organoleptic profile formation and the biologically active substances resistance to oxidation. The study demonstrated the comparative organoleptic analysis results of the inverse emulsion with fish oil and DEFS o/w/o with fish oil encapsulated in the internal phase of the emulsion matrix; direct emulsion with vitamin B1 (thiamine) and DEFS w/o/w with vitamin B1 encapsulated in the internal phase of the emulsion matrix; as well as the oxidation stability study results of fish oil in the composition of the inverse emulsion and dual emulsion system during storage. A man compiled organoleptic profiles of control samples and DEFS with encapsulated BAS. The results showed that the fish oil and vitamin B1 encapsulation in DEFS contributed to the color and flavor correction – deodorization and elimination of fish oil and vitamin B1 aftertaste and off-flavours. Study confirmed the effectiveness of fish oil encapsulation in DEFS, expressed in increasing its resistance to oxidation. During storage, the fat oxidation intensity in the control sample was higher than in the double emulsion system. The peroxide value in the control sample increased 6 times during storage and amounted to 7.9 mmol of active oxygen per 1 kg of fat, while in the double emulsion food system the increase was only 4 times, from 1.3 on the first day of storage to 5.1 on the 35th day. On average, for every 7 days of storage the peroxide value grew by 1.32 for the control sample and by 0.76 for the double emulsion system.