Deep Eutectic Solvents Can Contribute To Fight against Zero Hunger from a Sustainable Perspective

Jiménez-Ortega, Luis Alfonso; Yao, Shun; Mota‐Morales, Josué D.; Heredia, J. Basilio

doi:10.1021/acs.jafc.3c01460

Cited by 7 publications

(1 citation statement)

References 5 publications

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“…Regarding scaling up the process of obtaining these antioxidant glycosylated flavonoids from pepper biomass residues and their utilization as food additives and supplements, it is necessary to recover the metabolites from the crude extract. Alternatively, we propose to overcome this issue by utilizing the whole NaDES containing phytochemicals as liquid active ingredients or additives in functional materials. , For instance, there are examples in the literature where the extracts (phytochemical-containing NaDES) are used as pharmaceutic dosage forms, in the form of eutectogels (gels formed by the addition of a gelling agent, typically a (bio)polymer, to a NaDES), − creams, and ointments, among others . This is possibly due to the low toxicity of the NaDESs, whose components can also present pharmacological or biological activities, e.g., therapeutic DES (THEDES). , …”

Section: Resultsmentioning

confidence: 99%

Optimized Extraction of Glycosylated Flavonoids from Pepper (Capsicum annuum L.) Agricultural Biomass Residues through Ultrasonic Pulse-Assisted Natural Deep Eutectic Solvents

Jiménez-Ortega,

Bastidas-Bastidas,

Angulo-Escalante

et al. 2023

ACS Sustainable Resour. Manage.

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To address the grand challenges of valorizing agricultural biomass (AB) residues, processes such as the extraction of phytochemicals need to align with the principles of green chemistry and sustainability. In this regard, Natural Deep Eutectic Solvents (NaDESs) are being utilized to extract value-added compounds from AB, thanks to their biodegradability, costeffectiveness, and low toxicity. The objective of this research was to valorize bell pepper AB residues (stalks and leaves) through the extraction of glycosylated flavonoids with antioxidant activity. To achieve this, 24 NaDESs were designed based on choline chloride (ChCl) and various hydrogen bond donors, including carboxylic acids and alcohols. The NaDESs extraction capacities for total flavonoids and two model flavonoids, quercitrin (quercetin 3-Orhamnoside) (Q3O-R) and cynaroside (luteolin 7-O-glucoside) (L7O-G), were systematically evaluated. Two crucial extraction parameters, time (measured in seconds) and ultrasonic amplitude (measured in Watts), were optimized using a central composite rotatable design (CCRD). The high content of bioactive flavonoids present in pepper AB residues was demonstrated by using ChCl/ 1,6-hexanediol in a 1:1 molar ratio with 30 wt % water (10.31 ± 0.16 mg quercetin equivalent/g dry AB). The ultrasonic pulseassisted NaDES extraction method outperformed the results obtained with conventional hydroethanolic extraction. Therefore, NaDESs represent an efficient and greener alternative to conventional organic solvents for extracting value-added compounds, such as natural antioxidants, from resilient lignocellulosic AB residues.

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Section: Resultsmentioning

confidence: 99%

Optimized Extraction of Glycosylated Flavonoids from Pepper (Capsicum annuum L.) Agricultural Biomass Residues through Ultrasonic Pulse-Assisted Natural Deep Eutectic Solvents

Jiménez-Ortega,

Bastidas-Bastidas,

Angulo-Escalante

et al. 2023

ACS Sustainable Resour. Manage.

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Transient Dual‐Response Iontronic Strain Sensor Based on Gelatin and Cellulose Nanocrystals Eutectogel Nanocomposites

Carrasco‐Saavedra,

Tanguy,

García‐Nieto

et al. 2023

Adv Materials Inter

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The emergence of wearable strain sensors in soft electronics has the potential to revolutionize healthcare and robotics. However, current sensors are based on petroleum‐based conductive composites that have a limited strain range. Ionic conductors such as hydrogels offer expanded strain range but have poor long‐term stability and restricted temperature operating window. Deep eutectic solvents (DESs) are promising nonaqueous electrolytes alternatives with green credentials. By combining DES electrolytes with biopolymers, transient ionic conductors are developed with high stretchability, and excellent chemical and thermal stability. Herein, cellulose nanocrystals (CNC) are incorporated, bearing ─OSO3H or ─COOH groups, to gelatin‐based eutectogels to produce nanocomposites with enhanced properties and additional functionalities. The eutectogel nanocomposite containing 1.0 wt.% COOH‐CNC demonstrate enhanced stretchability (375%) and ionic conductivity (3.0 mS cm−1) compared to the pristine gelatin‐based eutectogel (300% strain and 2.0 mS cm−1, respectively). Moreover, the spontaneous assembly of CNC within the eutectogel results in birefringence, which changes when stretching the nanocomposites. Thus, CNC incorporation provides the gelatin‐based eutectogel with a dual‐response capabilities when stretched, expanding their applications to new areas such as transient multi‐responsive strain sensors for wearable electronics, and multifunctional substrates for soft robotics, without compromising overall performance or sustainability.

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Deep eutectic solvents (DES): An update on the applications in food sectors

Suthar,

Kaushal,

Vaidya

et al. 2023

Journal of Agriculture and Food Research

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Deep Eutectic Solvents Can Contribute To Fight against Zero Hunger from a Sustainable Perspective

Cited by 7 publications

References 5 publications

Optimized Extraction of Glycosylated Flavonoids from Pepper (Capsicum annuum L.) Agricultural Biomass Residues through Ultrasonic Pulse-Assisted Natural Deep Eutectic Solvents

Optimized Extraction of Glycosylated Flavonoids from Pepper (Capsicum annuum L.) Agricultural Biomass Residues through Ultrasonic Pulse-Assisted Natural Deep Eutectic Solvents

Transient Dual‐Response Iontronic Strain Sensor Based on Gelatin and Cellulose Nanocrystals Eutectogel Nanocomposites

Deep eutectic solvents (DES): An update on the applications in food sectors

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