Application of FT-MIR Spectroscopy for Fingerprinting Bioactive Molecules of Plant Ingredients and a New Formula with Antimicrobial Effect

Bunghez, Florina; Socaciu, Carmen; Zagrean, Florina; Fetea, Florinela

doi:10.15835/buasvmcn-fst:9636

Cited by 2 publications

(3 citation statements)

References 2 publications

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“…The peak at 1441 cm −1 was due to an ester sulfate group. The characteristic peaks at 1013 cm −1 and 931 cm −1 indicated C–O stretching groups of 3,6-anhydrogalactose [25]. In addition, based on the FT-IR spectrum of CEO in A, the absorption band or frequency ranged from 3500 cm −1 to 3200 cm −1 broad, exhibiting the presence of O–H stretch.…”

Section: Resultsmentioning

confidence: 99%

“…In addition, based on the FT-IR spectrum of CEO in A, the absorption band or frequency ranged from 3500 cm −1 to 3200 cm −1 broad, exhibiting the presence of O–H stretch. The specific absorbance band at 1635 cm −1 revealed the stretching vibration of the C=O bond for cinnamaldehyde [25]. Due to the influence of conjugation and an aromatic ring, the peak is wider than usual for aldehyde compounds.…”

Section: Resultsmentioning

confidence: 99%

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Effect of Cinnamon Extraction Oil (CEO) for Algae Biofilm Shelf-Life Prolongation

et al. 2018

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This study was conducted to improve the life-span of the biofilm produced from algae by evaluating the decomposition rate with the effect of cinnamon extraction oil (CEO). The biofilm was fabricated using the solution casting technique. The soil burying analysis demonstrated low moisture absorption of the biofilm, thus decelerating the degradation due to low swelling rate and micro-organism activity, prolonging the shelf-life of the biofilm. Hence, the addition of CEO also affects the strength properties of the biofilm. The maximum tensile strength was achieved with the addition of 5% CEO, which indicated a good intermolecular interaction between the biopolymer (algae) and cinnamon molecules. The tensile strength, which was measured at 4.80 MPa, correlated with the morphological structure. The latter was performed using SEM, where the surface showed the absence of a separating phase between the biofilm and cinnamon blend. This was evidenced by FTIR analysis, which confirmed the occurrence of no chemical reaction between the biofilm and CEO during processing. The prolongation shelf-life rate of biofilm with good tensile properties are achievable with the addition of 5% of CEO.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Effect of Cinnamon Extraction Oil (CEO) for Algae Biofilm Shelf-Life Prolongation

et al. 2018

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“…The UV-Vis spectra of the studied extracts in most cases contained peaks in the ultraviolet region up to 220 nm, corresponding, according to the literature, to phenolic compounds; a peak in the region of 265-270 nm, corresponding to the absorption bands of catechins and tannins of the catechin group [32,33], as well as flavonoids [33]; and a peak at 330-350 nm corresponding to flavones/flavonoles [34,35].…”

Section: Discussionmentioning

confidence: 99%

Extracts of medical plants suppress the SOS response and reduce mutagenesis in E. coli

et al. 2020

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One of the promising directions in the fight against the emergence and spread of farm animal microbiota resistance factors is the development and search for feed additives that can inhibit the SOSresponse. SOS-response is one of the main mechanisms of the occurrence of mutations in bacteria. Plants used in traditional medicine can be a promising source of safe substances that reduce the SOS-response of bacteria. A screening of plants potentially containing substances with antiSOS activity was performed. During the initial screening, the E. coli MG 1655 pRecA-lux biosensor strain with ciprofloxacin as RecA inducer was used. Seven plants were identified whose extracts reduced the expression of the RecA operon. In further experiments on bacteria exposed to antibiotics, we identified four plants whose exstracts significantly reduced the mutagenesis rate of clinical E. coli strains: Austrian broom (Cytisus austriacus), greater celandine (Chelidonium majus), walnut (Juglans regia) and smooth sumac (Rhus glabra).

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Application of FT-MIR Spectroscopy for Fingerprinting Bioactive Molecules of Plant Ingredients and a New Formula with Antimicrobial Effect

Cited by 2 publications

References 2 publications

Effect of Cinnamon Extraction Oil (CEO) for Algae Biofilm Shelf-Life Prolongation

Effect of Cinnamon Extraction Oil (CEO) for Algae Biofilm Shelf-Life Prolongation

Extracts of medical plants suppress the SOS response and reduce mutagenesis in E. coli

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