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Emulsification of Rosemary and Oregano Aqueous Extracts and Their In Vitro Bioavailability (CROSBI ID 317254)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Sirovec, Sara ; Jurinjak Tušek, Ana ; Benković, Maja ; Valinger, Davor ; Sokač Cvetnić, Tea ; Gajdoš Kljusurić, Jasenka ; Jurina, Tamara Emulsification of Rosemary and Oregano Aqueous Extracts and Their In Vitro Bioavailability // Plants, 11 (2022), 23; 3372, 22. doi: 10.3390/plants11233372

Podaci o odgovornosti

Sirovec, Sara ; Jurinjak Tušek, Ana ; Benković, Maja ; Valinger, Davor ; Sokač Cvetnić, Tea ; Gajdoš Kljusurić, Jasenka ; Jurina, Tamara

engleski

Emulsification of Rosemary and Oregano Aqueous Extracts and Their In Vitro Bioavailability

Due to their richness in phenolic compounds, Mediterranean plants such as rosemary and oregano are increasingly recommended for consumption for their numerous health benefits. The pH shift and the presence of digestive enzymes significantly reduce the bioavailability of these biochemicals as they pass through the gastrointestinal tract. To prevent this degradation of phenolic compounds, methods such as emulsification of plant aqueous extracts are used. The aim of this study was to investigate the effects of emulsification conditions on the chemical properties (total polyphenolic content and antioxidant activity) of emulsified rosemary and oregano extracts. Response surface methodology was applied to optimize sunflower oil concentration, rotational speed, and emulsifier concentration (commercial pea protein). The emulsions prepared under optimal conditions were then used in bioavailability studies (in vitro digestion). The antioxidant activity of the emulsified rosemary/oregano extracts, measured by the DPPH method, remained largely stable when simulating in vitro digestion. Analysis of antioxidant activity after in vitro simulation of the gastrointestinal system revealed a higher degree of maintenance (up to 76%) for emulsified plant extracts compared to aqueous plant extracts. This article contributes to our understanding of how plant extracts are prepared to preserve their biological activity and their application in the food industry.

rosemary and oregano aqueous extracts ; phenolic compounds ; bioavailability ; emulsification

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Podaci o izdanju

11 (23)

2022.

3372

22

objavljeno

2223-7747

10.3390/plants11233372

Povezanost rada

Biotehnologija, Prehrambena tehnologija

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