Encapsulation of menthol into cyclodextrin metal-organic frameworks: Preparation, structure characterization and evaluation of complexing capacity

Hu, Ziman; Li, Songnan; Wang, Shaokang; Zhang, Bin; Huang, Qiang

doi:10.1016/j.foodchem.2020.127839

Cited by 96 publications

(58 citation statements)

References 37 publications

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“…4 B. The characteristic functional group peaks of U-CD-MOF included the stretching vibration of the –OH hydroxyl group at about 3000–3600 cm −1 , the stretching vibration of –CH- and –CH 2 - at about 2800–3000 cm −1 , the bending vibration of C–H and CH 2 at about 1300–1500 cm −1 , these characteristic peaks were consistent with previous reports on CD-MOF [41] . The characteristic functional group of CA had the –OH and –COOH stretching vibration of the benzene ring at 3430 and 3236 cm −1 , the C = O stretching vibration at 1650 cm −1 , and the bending vibration of the –OH on the benzene ring at 1280 cm −1 , the stretching vibration of benzene ring C = C at 1620 and 1450 cm −1 [42] .…”

Section: Resultssupporting

confidence: 90%

Cyclodextrin metal–organic framework by ultrasound-assisted rapid synthesis for caffeic acid loading and antibacterial application

Shen

Zhou

Elhadidy

et al. 2022

Ultrasonics Sonochemistry

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Section: Resultssupporting

confidence: 90%

Cyclodextrin metal–organic framework by ultrasound-assisted rapid synthesis for caffeic acid loading and antibacterial application

Shen

Zhou

Elhadidy

et al. 2022

Ultrasonics Sonochemistry

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“…Nevertheless, the T DEG decreases by 30, 16, and 36 °C, as compared to the T DEG of their native structures owing to porous structures and weaker metal coordination bonds. [ 39,40 ] At high temperatures ( T > 350 °C), the oxidation of the residue may occur between 350 and 580 °C with two steps or multiple steps of weight loss at a relatively slow thermal degradation of the residue. This is in good agreement with the earlier reports on similar CD‐MOFs.…”

Section: Resultsmentioning

confidence: 99%

A Green Metal–Organic Framework‐Cyclodextrin MOF: A Novel Multifunctional Material Based Triboelectric Nanogenerator for Highly Efficient Mechanical Energy Harvesting

Hajra

Sahu

Padhan

et al. 2021

Adv Funct Materials

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The naturally available cyclodextrin has opened up a wide range of research avenues because of its superior characteristics such as being non‐toxic, biocompatible, and edible. The cyclodextrin is the green multifunctional material that can add to the triboelectric series and extend its self‐powered applications. The ultrasonic synthesized cyclodextrin metal–organic framework (CD‐MOF) designed using sodium as a metal ion and cyclodextrin as a ligand for the triboelectric nanogenerator is reported. The various detailed characterizations of the CD‐MOFs give an insight into the properties of the synthesized material. The Kelvin probe force microscopy suggests three types of CD‐MOFs, exhibiting a positive potential. As per the surface potential, the output of the various CD‐MOF based TENG is varied as alpha CD MOF/Teflon > gamma CD‐MOF/Teflon > beta CD‐MOF/Teflon. The alpha CD MOF/Teflon TENG produces an electrical output of 152 V, 1.2 μA, and 14.3 nC, respectively. The fabricated device output is utilized for powering numerous low‐power electronics through a capacitor and bridge rectifier circuit. The multiunit Z‐shaped TENG device is attached to various surfaces such as the shoe heel and the backside of the school bag, and the corresponding energy harvesting response is demonstrated.

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“…Encapsulant material with excessive viscosity or surface tension is not desirable as such an encapsulant would not be able to flow around and well coat a core material (Benelli & Oliveira, 2019; Cisneros‐Zevallos & Krochta, 2003; Oxley, 2014; Sun et al., 2013). In the case of gas encapsulation, as mentioned earlier, solid matrices are typically used (Chen et al., 2020; Ho et al., 2014; Hu et al., 2021; Neoh et al., 2006). Such solid matrices are commercially available or can be prepared using the available methods in the literature (Chen et al., 2020; Ho et al., 2014; Hu et al., 2021; Neoh et al., 2006).…”

Section: Encapsulation Principlesmentioning

confidence: 99%

Microstructures of encapsulates and their relations with encapsulation efficiency and controlled release of bioactive constituents: A review

Yun

Devahastin

Chiewchan

2021

Comp Rev Food Sci Food Safe

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Vitamins, peptides, essential oils, and probiotics are examples of health beneficial constituents, which are nevertheless heat‐sensitive and possess poor chemical stability. Various encapsulation methods have been applied to protect these constituents against thermal and chemical degradations. Encapsulates prepared by different methods and/or at different conditions exhibit different microstructures, which in turn differently influence the encapsulation efficiency as well as retention of encapsulated core materials. This review provides a summary of various microstructures resulted from the use of selected encapsulation methods or systems, namely, spray coating; co‐extrusion; emulsion‐, micelle‐, and liposome‐based; coacervation; and ionic gelation encapsulation, at different conditions. Subsequent effects of the different microstructures on encapsulation efficiency and retention of encapsulated core materials are mentioned and discussed. Encapsulates having compact microstructures resulted from the use of low‐surface tension and low‐viscosity encapsulants, high‐stability encapsulation systems, lower loads of core materials to total solids of encapsulants and appropriate solidification conditions have proved to exhibit higher encapsulation efficiencies and better retention of encapsulated core materials. Encapsulates with hollow, dent, shrunken microstructures or thinner walls resulted from inappropriate solidification conditions and higher loads of core materials, on the other hand, possess lower encapsulation efficiencies and protection capabilities. Encapsulates having crack, blow‐hole or porous microstructures resulted from the use of high‐viscosity encapsulants and inappropriate solidification conditions exhibit the lowest encapsulation efficiencies and poorest protection capabilities. Compact microstructures and structures formed between ionic biopolymers could be used to regulate the release of encapsulated cores.

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Encapsulation of menthol into cyclodextrin metal-organic frameworks: Preparation, structure characterization and evaluation of complexing capacity

Cited by 96 publications

References 37 publications

Cyclodextrin metal–organic framework by ultrasound-assisted rapid synthesis for caffeic acid loading and antibacterial application

Cyclodextrin metal–organic framework by ultrasound-assisted rapid synthesis for caffeic acid loading and antibacterial application

A Green Metal–Organic Framework‐Cyclodextrin MOF: A Novel Multifunctional Material Based Triboelectric Nanogenerator for Highly Efficient Mechanical Energy Harvesting

Microstructures of encapsulates and their relations with encapsulation efficiency and controlled release of bioactive constituents: A review

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