Jelena Vladić, Strahinja Kovačević, Krunoslav Aladić, Silvia Rebocho, Stela Jokić, Sanja Podunavac-Kuzmanović, Ana Rita C. Duarte, Igor Jerković
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The headspace profile of the samples and their antioxidant activity were monitored for 6 months. Changes in the chemical profile of the extract were detected, which corresponded to terpene transformation reactions. In the control (CO<sub>2</sub> extract), the development of non-terpene components such as acetic acid was detected, which make the product unsuitable for use. Conversely, the accumulation of acetic acid was not observed in the NADES samples. The antioxidant activity of the control was the most significantly decreased during 6 months, while among the NADES samples, the reduction of activity occurred only in Bet/Gly sample. In Bet/EG and Bet/Gly/Suc/W samples, activity remained the same during the same period. The results suggest that the NADES could serve as stabilization media for CO<sub>2</sub>-extracted rosemary volatile components. Furthermore, this represents a simple, green process of obtaining readily applicable products with extended stability at room temperature.</p></div>","PeriodicalId":562,"journal":{"name":"Food and Bioprocess Technology","volume":"17 5","pages":"1215 - 1230"},"PeriodicalIF":5.3000,"publicationDate":"2023-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s11947-023-03188-w.pdf","citationCount":"0","resultStr":"{\"title\":\"Novel Insights Into the Recovery and Stabilization of Rosmarinus officinalis Volatile Aroma Compounds Using Green Solvents\",\"authors\":\"Jelena Vladić, Strahinja Kovačević, Krunoslav Aladić, Silvia Rebocho, Stela Jokić, Sanja Podunavac-Kuzmanović, Ana Rita C. 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Changes in the chemical profile of the extract were detected, which corresponded to terpene transformation reactions. In the control (CO<sub>2</sub> extract), the development of non-terpene components such as acetic acid was detected, which make the product unsuitable for use. Conversely, the accumulation of acetic acid was not observed in the NADES samples. The antioxidant activity of the control was the most significantly decreased during 6 months, while among the NADES samples, the reduction of activity occurred only in Bet/Gly sample. In Bet/EG and Bet/Gly/Suc/W samples, activity remained the same during the same period. The results suggest that the NADES could serve as stabilization media for CO<sub>2</sub>-extracted rosemary volatile components. 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Novel Insights Into the Recovery and Stabilization of Rosmarinus officinalis Volatile Aroma Compounds Using Green Solvents
In this study, the integrated application of supercritical CO2 and natural deep eutectic solvents (NADES) was investigated in order to establish a green procedure that enables obtaining and stabilizing the aroma volatile constituents of Rosmarinus officinalis L. Supercritical CO2 was used to obtain rosemary extracts that possessed an abundance of terpenes, particularly monoterpenes 68.97–88.08% and sesquiterpenes 5.38–21.22%. The obtained extracts were further dispersed in different NADES (betaine/glycerol (Bet/Gly), betaine/ethylene glycol (Bet/EG), and betaine/glycerol/sucrose/water (Bet/Gly/Suc/W) and their stability was assessed at room temperature. The headspace profile of the samples and their antioxidant activity were monitored for 6 months. Changes in the chemical profile of the extract were detected, which corresponded to terpene transformation reactions. In the control (CO2 extract), the development of non-terpene components such as acetic acid was detected, which make the product unsuitable for use. Conversely, the accumulation of acetic acid was not observed in the NADES samples. The antioxidant activity of the control was the most significantly decreased during 6 months, while among the NADES samples, the reduction of activity occurred only in Bet/Gly sample. In Bet/EG and Bet/Gly/Suc/W samples, activity remained the same during the same period. The results suggest that the NADES could serve as stabilization media for CO2-extracted rosemary volatile components. Furthermore, this represents a simple, green process of obtaining readily applicable products with extended stability at room temperature.
期刊介绍：
Food and Bioprocess Technology provides an effective and timely platform for cutting-edge high quality original papers in the engineering and science of all types of food processing technologies, from the original food supply source to the consumer’s dinner table. It aims to be a leading international journal for the multidisciplinary agri-food research community.
The journal focuses especially on experimental or theoretical research findings that have the potential for helping the agri-food industry to improve process efficiency, enhance product quality and, extend shelf-life of fresh and processed agri-food products. The editors present critical reviews on new perspectives to established processes, innovative and emerging technologies, and trends and future research in food and bioproducts processing. The journal also publishes short communications for rapidly disseminating preliminary results, letters to the Editor on recent developments and controversy, and book reviews.
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