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Methyl - Wiley Online Library

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Last Updated: 20 May 2022

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Antioxidant Activity of Methyl Caffeate Enriched Olive Oils. From Extra Virgin Olive Oil to Extra Virgin Olive Oil‐Based Microemulsions

Oxidative rancidity is one of the main reasons of extra virgin olive oil's quality decline, which results in unpleasant organoleptic characteristics. methyl caffeate was tested in this study for possibly raising EVOO antioxidant activity and improving its oxidative stability. The oxidative stability of EVOO was monitored with a variety of classic techniques, but the FolinCiocalteau method revealed the total phenolic content. Both a DPPH free radical scavenging and electron paramagnetic resonance spectroscopy confirmed EVOO's antioxidative capacity. In addition, the ester also increased the microemulsions' oxidative stability. Overall, the EVOO-based microemulsions may have been used as the oil phase in other formulations. Practical uses: Methyl caffeate is a well-studied antioxidant with multiple health effects on human health. The improvement of EVOO's antioxidant value can be used in other formulations, as it could lead to an enriched ingredient being used in other formulations that could increase the quality of oils with lower nutritional value if not raise EVOO's already high nutritional value. Microemulsions made of EVOO microemulsions could be used as functional oleaginous additives and delivery systems of hydrophilic bioactive substances in a variety of industries, including cosmetics, pharmaceuticals, and foods. Based on the encapsulated substance, a useful component with a select encapsulated material may be a cost-effective additive with a desired function. Since the steps are not complicated and do not require special expertise, Olive mills or packing centers could perform the addition of CAME. An alternative for the use of methanol should be investigated in order to do so.

Source link: https://onlinelibrary.wiley.com/doi/10.1002/ejlt.202100249


Immobilization method to separate microalgae biomass for fatty acid methyl ester production

The immobilization technique had been used to ease the separation process, and a comparison with free cell culture growth was investigated. Immobilization methods had a significantly similar cell density as compared to free cell culture. SACACMC:MC's microalgae bead of SACACMC:MC had the highest cell density, followed by microalgae bead of SACACMC:MC, SA:MC, and SA:MC. The cell immobilized in SA produced the highest lipid at 30. 43 0. 3 percent.

Source link: https://onlinelibrary.wiley.com/doi/10.1002/ceat.202100462


Peer review of the pesticide risk assessment of the active substance triflusulfuron‐methyl

The results of the initial risk assessments carried out by the competent authorities of the rapporteur Member State, France, and corapporteur Member State, Denmark, for the pesticide active substance triflusulfuronmethyl are published by the EFSA's peer review of the initial risk assessments for the pesticide active substance triflusulfuron methyl. The conclusions were drawn on the basis of the review of triflusulfuron's traditional uses of triflusulfuron, fodder beet, red beet, chicory, and witloof.

Source link: https://onlinelibrary.wiley.com/doi/10.2903/j.efsa.2022.7303


Trace level detection and quantification of genotoxic impurities 3‐amino‐4‐methylbenzoate, 3‐amino‐4‐methylbenzoic acid, and 3‐(4‐methyl‐1H‐imidazol‐1‐yl)‐5‐(trifluoromethyl) aniline in Nilotinib dihydrochloride active pharmaceutical ingredient using liquid chromatography‐tandem mass spectrometry

For more fragmentation, the developed and validated methods were more accurate and reliable to reveal the m/z values of parent and fragment ions by mass spectrometry and tandem mass spectrometry for greater fragmentation. For Methyl 3amino's genotoxic impurity iI, 0. 9997 for 3aminobenzoic acid, and 0. 9998 for 35 aniline, respectively. The recovery percentage of all three genotoxic impurities was found to be between 93% and 105 percent.

Source link: https://onlinelibrary.wiley.com/doi/10.1002/sscp.202200047


Flow and crystallization of saturated fatty acid methyl esters and their binary mixtures

Biodiesel's demand has risen as a more eco friendly fuel. Biodiesel's cold weather operation is difficult due to biodiesel's fatty acid methyl ester content. During shear flow and static conditions, the crystallization of pure and binary mixtures of methyl palmitate, methyl myristate, and methyl stearate was investigated. Pure methyl palmitate, methyl myristate, and methyl stearate, as well as static phase CTs, were 26, 14, and 35°C, respectively. Overall, the FAME composition modified CT more than the shear flow or cooling rate for three FAMEs' pure and binary mixtures.

Source link: https://onlinelibrary.wiley.com/doi/10.1002/aocs.12598


Rotational freedom thin‐film solar cell using a reconfigurable nano‐antenna with 4‐Dimethyl‐Amino‐N‐methyl‐4‐Stilbazolium Tosylate

We developed this paper an advanced way to achieve the rotational freedom of thin-film solar cells. The proposed solar cell is investigated using the finitedifference frequency domain method and the drift diffusion equations of COMSOL Multiphysics software at various wavelengths of light and a variety of angles of incidence for transverse magnetic and transverse electric polarizations. The numerical results show an increase in the absorption of large wavelengths of sunlight for the thin film solar cell with nanoantenna, resulting in a short circuit current increase of 1. 48 and 1. 45, respectively.

Source link: https://onlinelibrary.wiley.com/doi/10.1049/ote2.12069


Sodium alginate‐cl‐poly (N,N‐dimethyl acryl amide‐co‐2‐acrylamino‐2‐methyl‐1‐propane sulphonic acid)/titanium dioxide nanocomposite hydrogel: An efficient dye‐removing agent

In the presence of methylene bisacrylamide as a cross linking agent, a sodium alginate crosslinked poly / TiTitanium dioxide [SAG/TiO2] nanocomposite hydrogel was prepared by in situ crosslinked free radical polymerization process using SAG, a blend of DMA and AMPS, and titanium isopropoxide. Water swelling behavior of NCHG as well as swelling kinetics is investigated. NCHG is used to remove one cationic dye methylene blue and one anionic dye carmosineA from their aqueous solution.

Source link: https://onlinelibrary.wiley.com/doi/10.1002/app.52465

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions