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Experimental IR, Raman, and UV-Vis Spectra DFT Structural and Conformational Studies: Bioactivity and Solvent Effect on Molecular Properties of Methyl-Eugenol.
Molecules
July 2023
Department of Chemistry, Faculty of Pharmacy, Medical University, 2 Dunav St., 1000 Sofia, Bulgaria.
Structural, conformational, and spectroscopic investigations of methyl-eugenol were made theoretically at the IR, Raman, and UV-vis spectra were investigated and analyzed in light of the computed quantities. Conformational analysis was carried out with the help of total energy vs. dihedral angle curves for different tops, yielding 21 stable conformers, out of which only two have energies below the room temperature relative to the lowest energy conformer.
View Article and Find Full Text PDFProduction of nanocellulose from corn husk for the development of antimicrobial biodegradable packaging film.
Int J Biol Macromol
July 2023
Department of Applied Biology, University of Science and Technology, Meghalaya 793101, India. Electronic address:
Packaging is a potential way of keeping food products safe from various environmental pollutants, and biological, chemical, & physical deterioration. Hence, the demand for an effective antimicrobial active packaging material is increasing tremendously to improve the shelf-life of food products. Thus, we extracted nanocellulose from corn husks and developed a eugenol-incorporated biodegradable antimicrobial active packaging film.
View Article and Find Full Text PDFA robust method for simultaneous quantification of eugenol, eugenyl acetate, and β-caryophyllene in clove essential oil by vibrational spectroscopy.
Phytochemistry
November 2021
Selçuk University, Faculty of Science, Department of Biochemistry, 42130, Selçuklu, Konya, Turkey. Electronic address:
Attenuated total reflectance-Fourier transform infrared (ATR-FTIR) spectroscopy in tandem with chemometrics was used for accurate quantification of total eugenol, eugenyl acetate, and β-caryophyllene compounds of clove oil (CO) using partial least squares (PLS) regression with various spectral derivatization methods. A set of six of the fifty-one CO samples was chosen to build up the calibration sets for the compounds, while the rest were selected as the prediction set. Data for total eugenol, eugenyl acetate, and β-caryophyllene was acquired by gas chromatography-mass spectrometry (GC-MS) and used as reference values for ATR-FTIR calibration.
View Article and Find Full Text PDFSurface-Enhanced Raman Spectroscopy for Rapid Screening of Cinnamon Essential Oils.
Appl Spectrosc
November 2020
Chemistry Department, Lake Forest College, Lake Forest, IL, USA.
Cinnamon essential oil is used in food flavoring, food preservation, and for complementary medicine. The most common types of cinnamon used in essential oils are true cinnamon () and cassia cinnamon (). True cinnamon is commonly adulterated with cassia cinnamon because it is cheaper.
View Article and Find Full Text PDFObjective: To evaluate the efficiency of 3 different obturation techniques; motor driven lentulospiral, hand held lentulospiral and reamer in primary anterior teeth and presence of voids by analyzing with CBCT.
Study Design: 60 single rooted extracted primary teeth were prepared and obturated with ZOE paste. Obturation methods were divided into three groups.
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