Extraction of flavonoids from Glycyrrhiza residues using deep eutectic solvents and its molecular mechanism

Yu, Qiang; Wang, Fan; Jian, Yating; Чернышев, В. М.; Zhang, Yu; Zhongming, Wang; Yuan, Zhenhong; Chen, Xiaoyan

doi:10.1016/j.molliq.2022.119848

Cited by 28 publications

(10 citation statements)

References 40 publications

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“…The type and strength of intermolecular interaction can be predicted by the maximum and minimum points on ESP isosurfaces, as molecules tend to contact other molecules in a complementary way based on their ESP distribution. 40 Figure 4a shows that the ESP values of [HEMIM] + are all positive at the molecular surface, and several extreme points of maximum values are localized near the hydrogen atoms around the imidazole ring (the maximum value is +122.04 kcal/mol). Figure 4b shows that the ESP distributions of the [PF 6 ] − surface are all negative.…”

Section: Molecular Thermodynamics Calculation Quantum Chemical Calcul...mentioning

confidence: 99%

Ionic-Liquid-Assisted Capture of Volatile Low-Carbon Alcohols in Printing Plant Exhaust Gas

Shang,

Xu,

et al. 2024

ACS Sustainable Chem. Eng.

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In green and sustainable chemical development, the efficient capture of volatile organic compounds (VOCs) with novel green solvents is recognized as an excellent potential research direction. This study proposes a novel method to efficiently absorb alcohols (ethanol, n-propanol, and isopropyl alcohol) in VOCs emitted from printing factories by ionic liquids (ILs). The COSMO-RS model screened 256 ILs with Henry's law constant and selectivity coefficient as separation performance indexes. 1-(2-Hydroxyethyl)-3-methylimidazolium hexafluorophosphate ([HEMIM][PF 6 ]) is the most potential absorbent. The absorption performance and interaction mechanism of [HEMIM][PF 6 ] on ethanol, n-propanol, and isopropyl alcohol were investigated with a combination of calculation thermodynamics, molecular dynamics, and gas absorption experiments. The alcohol absorption experiments and regeneration experiments of ILs were performed at different IL flow rates, and the results demonstrated that ILs possessed excellent stability and regenerative properties. The excess enthalpy analysis demonstrated the thermodynamic feasibility of capturing alcohol molecules with ILs. Molecular surface electrostatic potential analysis was performed to obtain binding sites for intermolecular interactions. The spatial distribution function revealed the spatial distribution of ILs around alcohol molecules from the perspective of clustered macromolecules. This work provides theoretical insights into molecular thermodynamics and kinetics for developing novel ILs for VOC purification.

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Section: Molecular Thermodynamics Calculation Quantum Chemical Calcul...mentioning

confidence: 99%

Ionic-Liquid-Assisted Capture of Volatile Low-Carbon Alcohols in Printing Plant Exhaust Gas

Shang,

Xu,

et al. 2024

ACS Sustainable Chem. Eng.

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“…For example, four flavonoids were obtained utilizing deep eutectic solvent extraction from Glycyrrhiza residues. [19] Resembles, LC-MS was used to measure the 13 active components of Astragalus gombiformis's five parts. It is worth noting that the total flavonoid and total phenolic contents of Astragalus gombiformis decreased significantly in the order of flowers > leaves > stems > seeds > pods.…”

Section: Extraction Of the Active Substance From Tcmrmentioning

confidence: 99%

“…Overall, this work provides a foundation for further investigation into the high-value usage model and resource reuse pathway of Chinese herb residues.Generally speaking, herbs' flowers, stems, leaves, fruits, and roots are the components of medicinal plants that are applicable to treat illness, as shown in Figure 1. [2,[19][20][21] Correspondingly, non-medicinal portions are often eliminated. For illustration, Honeysuckle, Chrysanthemum, and Safflower medicinal portions are flowers, and the stems, leaves, and roots will be discarded.…”

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confidence: 99%

Recent Advances in Solid Residues Resource Utilization in Traditional Chinese Medicine

Long

Guo

et al. 2023

ChemistrySelect

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Chinese medicine is widely employed in illness prevention and treatment. In recent years, the increased demand for Chinese medicine resources has resulted in a large quantity of waste created during industrialization. However, traditional methods for treating herbal residues, including burning, stacking, and burying, can cause significant environmental damage and resource waste. Furthermore, these application approaches have a low level of resource utilization and a low degree of utilization. Therefore, developing a classification management system is a necessary precondition for reusing Chinese herb residues for medicinal, feed, fertilizer, and energy resource reuse. This paper reviews the potential applications of Chinese herb residues in the extraction of active resources, composting, feed addition, bioethanol preparation, and pyrolysis to biochar, bio‐oil, and fuel gas. Overall, this work provides a foundation for further investigation into the high‐value usage model and resource reuse pathway of Chinese herb residues.

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“…23 As the research deepens, DESs find increasing applications in extraction of plant active substances, such as polyphenols, [24][25][26] phytosterols, 27 antibiotics, 28 germ proteins, 29 polysaccharides, 30 and flavonoids. 31,32 In addition to solvents, extraction methods are also important to achieve high extraction efficiency of active substances. 33 The ultrasonic assisted extraction method based on DESs has significant advantages, such as low cost, environmental friendliness, and high efficiency.…”

Section: Introductionmentioning

confidence: 99%

Ultrasonic assisted natural deep eutectic solvents as a green and efficient approach for extraction of hydroxytyrosol from olive leaves

Hu,

Han,

Xie

et al. 2024

Ind. Chem. Mater.

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Extraction of flavonoids from Glycyrrhiza residues using deep eutectic solvents and its molecular mechanism

Cited by 28 publications

References 40 publications

Ionic-Liquid-Assisted Capture of Volatile Low-Carbon Alcohols in Printing Plant Exhaust Gas

Ionic-Liquid-Assisted Capture of Volatile Low-Carbon Alcohols in Printing Plant Exhaust Gas

Recent Advances in Solid Residues Resource Utilization in Traditional Chinese Medicine

Ultrasonic assisted natural deep eutectic solvents as a green and efficient approach for extraction of hydroxytyrosol from olive leaves

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