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      Extraction of ferulic acid from rice bran using NADES‐ultrasound‐assisted extraction: Kinetics and optimization

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      Journal of Food Process Engineering
      Wiley

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          Abstract

          The application of natural deep eutectic solvents (NADES) has been studied for the ultrasound‐assisted extraction of ferulic acid (FA) from Defatted rice bran at 25 kHz. Choline chloride‐hydrogen bond acceptor and D‐glucose‐hydrogen bond donor in 1:1 (w/v) ratio with 50% NADES and 1:20 (w/v) solute to solvent ratio has been employed. Essential ultrasonic parameters such as power, temperature, and duty cycle have been optimized. The kinetics have been studied using Peleg's model to predict the extraction yield of FA. The experimental yield was found to be in agreement with the predicted yield of FA, suggesting a good fit for the model. The maximum yield of 9.34 mg/g was estimated through optimized parameters of 50 W power, 50°C temperature, 50 % duty cycle and extraction time of 16 mins. At the same time, the obtained yield of FA in conventional extraction and NADES extraction (without ultrasound) was 3.33 mg/g and 8.71 mg/g, respectively. The proposed NADES for the ultrasound‐assisted extraction of FA was a superior alternative in terms of less time, greener solvent, and high yield.

          Practical Application

          Ultrasound‐assisted extraction is a green method that is commonly used for the extraction of natural ingredients. In this study, the NADES mixture was irradiated with ultrasound to extract the maximum amount of ferulic acid. Various parameters have been studied by both experimentally as well as kinetically. Peleg's model has been used for the kinetic study. This greener approach of NADES‐ultrasound‐assisted extraction showed the highest yield of ferulic acid compared with other extraction methods. Also, the extracted ferulic acid finds application in various industries.

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          Most cited references53

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          Novel solvent properties of choline chloride/urea mixturesElectronic supplementary information (ESI) available: spectroscopic data. See http://www.rsc.org/suppdata/cc/b2/b210714g/

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            Plant polyphenols as dietary antioxidants in human health and disease

            Polyphenols are secondary metabolites of plants and are generally involved in defense against ultraviolet radiation or aggression by pathogens. In the last decade, there has been much interest in the potential health benefits of dietary plant polyphenols as antioxidant. Epidemiological studies and associated meta-analyses strongly suggest that long term consumption of diets rich in plant polyphenols offer protection against development of cancers, cardiovascular diseases, diabetes, osteoporosis and neurodegenerative diseases. Here we present knowledge about the biological effects of plant polyphenols in the context of relevance to human health.
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              Antioxidant properties of phenolic compounds

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                Author and article information

                Contributors
                (View ORCID Profile)
                Journal
                Journal of Food Process Engineering
                J Food Process Engineering
                Wiley
                0145-8876
                1745-4530
                June 2023
                September 04 2022
                June 2023
                : 46
                : 6
                Affiliations
                [1 ] Department of Chemical Engineering Institute of Chemical Technology Mumbai India
                Article
                10.1111/jfpe.14158
                49155273-9693-46b6-88c5-86c6b8ce8e3b
                © 2023

                http://onlinelibrary.wiley.com/termsAndConditions#vor

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