Preparation and Characterization of Cinnamomum Essential Oil–Chitosan Nanocomposites: Physical, Structural, and Antioxidant Activities

Su, Hongxia; Huang, Chongxing; Liu, Ying; Kong, Song; Wang, Jian; Huang, Haohe; Zhang, Bobo

doi:10.3390/pr8070834

Cited by 31 publications

(17 citation statements)

References 48 publications

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“…The exhibited peaks of 2866–2925 and 1238 cm -1 clearly indicated that the essential oils were successfully loaded in to the chitosan nanoparticles. Our result was agreed by recent report of Su et al (2020) , and the chemical groups of the shifted places were exhibited the loading efficiency of essential oils into chitosan. Supported evidence was published by K. Myszka, et al (2020) , and the shifted peaks without change of wave number containing chitosan loaded essential oil combination were successful.…”

Section: Resultssupporting

confidence: 94%

“…Plant essential oils have more phenolic and flavonoid content, which have the excellent anti-oxidant properties. Also, terpenoid content of essential oils has increased anti-oxidant activity ( Su et al, 2020 ). Essential oils have excellent anti-oxidant activity with increased biological activity such as antimicrobial, anti-cancer, antiviral and larvicidal.…”

Section: Introductionmentioning

confidence: 99%

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Anti-bacterial activity of chitosan loaded plant essential oil against multi drug resistant K. pneumoniae

Zhang

Ramachandran

Mothana

et al. 2020

Saudi Journal of Biological Sciences

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The development of antibiotic resistant in K. pneumoniae is an emerging thread worldwide due to the poor antimicrobial drugs. To overcome this issue, researchers are focused on plant material and their essential oils to fight against multi drug resistant bacteria. In this context, the current study was concentrated in medicinal plant of guva leaves and their essential oils to combat multi drug resistant bacterial infections. The essential oils were successfully screened and confirmed by HRLC-MS analysis. The anti-bacterial ability of the compounds were loaded into the chitosan nanoparticles and proved by FT-IR analysis. In addition, the chitosan loaded essential oils morphology was compared with chitosan alone in SEM analysis and suggested that the material was loaded successfully. Further, the anti-bacterial ability of the chitosan loaded essential oils were primarily confirmed by agar well diffusion method. At the 100 µg/mL of lowest concentration of chitosan loaded essential oils, the multi-drug resistant K. pneumoniae was inhibited with 96% and confirmed by minimum inhibition concentration experiment. Hence, all the experiments were proved that the essential oils were successfully loaded into the chitosan nanoparticles, and it has more anti-bacterial activity against multi-drug resistant K. pneumoniae.

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Section: Resultssupporting

confidence: 94%

Section: Introductionmentioning

confidence: 99%

Anti-bacterial activity of chitosan loaded plant essential oil against multi drug resistant K. pneumoniae

Zhang

Ramachandran

Mothana

et al. 2020

Saudi Journal of Biological Sciences

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“…Diffraction spectrum of chitosan powder represented peaks at 2θ value 10.2 and 19.8, denoting the characteristic peak of chitosan viz. 10 and 20 and increased crystallinity (Su et al 2020). However, the diffractogram of CS-Ne and CS-HAEO-Ne depicted flattening and broadening of characteristic peaks suggesting destruction of chitosan crytallinity as a result of successful TPP cross linking with chitosan and loading of HAEO into the polymer matrix.…”

Section: X-ray Diffraction (Xrd) Analysismentioning

confidence: 98%

Chemically characterized nanoencapsulated Homalomena aromatica Schott. essential oil as green preservative against fungal and aflatoxin B1 contamination of stored spices based on in vitro and in situ efficacy and favorable safety profile on mice

Tiwari

Upadhyay

Singh

et al. 2021

Environ Sci Pollut Res

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Present study deals with the efficacy of nanoencapsulated Homalomena aromatica essential oil (HAEO) as a potent green preservative against toxigenic Aspergillus flavus strain (AF-LHP-NS 7), AFB1 and free radical mediated deterioration of stored spices. GC-MS analysis revealed linalool (68.51%) as the major component of HAEO. HAEO was encapsulated into chitosan nanomatrix (CS-HAEO-Ne) and characterized through SEM, FTIR and XRD. CS-HAEO-Ne completely inhibited A. flavus growth and AFB1 biosynthesis at 1.25 μL/mL and 1.0 μL/mL, respectively in comparison to unencapsulated HAEO (1.75 μL/mL and 1.25 μL/mL respectively). CS-HAEO-Ne exhibited superior antioxidant efficacy (IC50 (DPPH) = 4.5 μL/mL) over unencapsulated HAEO (IC50 (DPPH) = 15.9 μL/mL). Further, CS-HAEO-Ne caused significant reduction in ergosterol content in treated A. flavus and provoked leakage of cellular ions (Ca +2 , Mg +2 and K + ) as well as 260 nm and 280 nm absorbing materials. Depletion of methylglyoxal level in treated A. flavus cells deals with the novel antiaflatoxigenic efficacy of CS-HAEO-Ne. CS-HAEO-Ne depicted excellent in situ efficacy by inhibiting mold attack and AFB1 contamination, mineral preservation and acceptable sensorial profile. Moreover, broad safety paradigm (LD50 value = 8006.84 µL/kg) of CS-HAEO-Ne also suggest it as novel green preservative to enhance shelf life of stored spices.

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“…Moreover, the surfaces of Res-zein-MSC NPs with zein to Res mass ratios of 10:1 and 8:1 seemed smooth, whereas a relatively rougher surface was observed for the nanoparticles with zein to Res mass ratios of 6:1 and 4:1. This phenomenon may be due to the relatively lower EE of Res-zein-MSC NPs with zein to Res mass ratios of 6:1 and 4:1 (Table 1), and there was a certain amount of unencapsulated Res on the surfaces of nanoparticles [26]. When all the freeze-dried Res-zein-MSC NPs were re-dispersed in water, no visible aggregates were observed, and uniform dispersions were formed.…”

Section: Characterization Of Res-zein-msc Npsmentioning

confidence: 99%

A Novel Zein-Based Composite Nanoparticles for Improving Bioaccessibility and Anti-Inflammatory Activity of Resveratrol

Liu

Zhang

Liu

et al. 2021

Foods

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A microbial transglutaminase-induced cross-linked sodium caseinate (MSC) was used to stabilize zein nanoparticles, and the study was to investigate whether zein-MSC nanoparticles (zein-MSC NPs) can be used as an encapsulation carrier for resveratrol. A group of resveratrol-loaded zein-MSC nanoparticles (Res-zein-MSC NPs) with varying zein to Res mass ratios was first prepared. The particle sizes and zeta-potentials were in the ranges from 215.00 to 225.00 nm and from −29.00 to −31.00 mV. The encapsulation efficiency (EE) of Res was also influenced by the zein to Res mass ratio, and the encapsulated Res existed in an amorphous form. The major interactions between Res and zein-MSC NPs were hydrogen bonding and hydrophobic interaction. Furthermore, compared with free Res, the photo-stability and bioaccessibility of Res-zein-MSC NPs were significantly improved. The cellular studies also showed that Res-zein-MSC NPs exhibited lower cytotoxicity and desirable anti-inflammatory activity.

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Preparation and Characterization of Cinnamomum Essential Oil–Chitosan Nanocomposites: Physical, Structural, and Antioxidant Activities

Cited by 31 publications

References 48 publications

Anti-bacterial activity of chitosan loaded plant essential oil against multi drug resistant K. pneumoniae

Anti-bacterial activity of chitosan loaded plant essential oil against multi drug resistant K. pneumoniae

Chemically characterized nanoencapsulated Homalomena aromatica Schott. essential oil as green preservative against fungal and aflatoxin B1 contamination of stored spices based on in vitro and in situ efficacy and favorable safety profile on mice

A Novel Zein-Based Composite Nanoparticles for Improving Bioaccessibility and Anti-Inflammatory Activity of Resveratrol

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