Category: 929-77-1

Mousavi, Nayereh Sadat published the artcilePredicting the surface tension of mixtures of fatty acid ethyl esters and biodiesel fuels using UNIFAC activity coefficients, Name: Methyl docosanoate, the main research area is surface tension mixture FAME biodiesel fuel UNIFAC.

This work presents the use of a formal thermodn. model together with UNIFAC activity coefficients model, without any further adjustable parameter, to predict the surface tension of biodiesel fuels based on the equality of chem. potentials between the vapor-liquid interface and liquid bulk. The biodiesel samples included in this work were reported previously in the open literature. They were produced from vegetable oils such as: canola, coconut, corn, cottonseed, hazelnut, lard, palm, peanut, rapeseed, safflower, soybean, sunflower, and Walnut. Surface tension values for 18 samples of binary, ternary and quaternary mixtures of fatty acid Et esters (FAEEs) at T = 298.15 were predicted with an average absolute relative deviation (AARD) = 1.39%. Surface tension values for 31 biodiesel samples composed by fatty acid Me esters (FAMEs) were also predicted at temperatures from 303.15 K to 353.15 K. The AARD value obtained for the 78 exptl. points of biodiesel samples was 1.86% which shows a very good agreement with exptl. measurements. In the UNIFAC method, predictions of surface tension values for the mixtures are based on the knowledge of the values of the surface tension for the pure components; these values were obtained from different sources. Also, two simple mixing rules on mass and mole fraction basis were used to predict the surface tension of biodiesel fuels. The AARD value obtained from the comparison between exptl. and calculated values were: 2.77% and 2.91% for mixing rules on mass and mole fractions, resp.

Fluid Phase Equilibria published new progress about Arachis hypogaea. 929-77-1 belongs to class esters-buliding-blocks, name is Methyl docosanoate, and the molecular formula is C23H46O2, Name: Methyl docosanoate.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Saxena, Shaiphali published the artcileComparative GC-MS and FT-IR analysis of Portulaca oleracea L. and Portulaca quadrifida L. leaf extracts, Name: Methyl docosanoate, the main research area is Portulaca oleracea quadrifida leaf extract bioactive phytochem GCMS FTIR.

Quality assurance (QA) is an essential task in pharmacognostic field to promote the product standardization. The present study is focused upon phytoconstituent anal. of aqua-methanol leaf extracts of Portulaca oleracea L. and Portulaca quadrifida L. via GC-MS (gas chromatog.-mass spectrometry) and FT-IR (Fourier transform-IR) spectroscopy for formulation of quality medicines and other products. The GC-MS unveiled 72 and 86 bioactive compounds (both major and tracer) of several categories like terpenoids, phenols, steroids, flavonoids, fatty acids, nucleoside, vitamins, etc. The FT-IR chromatogram confirmed various functional groups peaks (cm-1) of amines (-NH2), alcs. (-OH), carboxylic acids (-COOH), ketones (C=O), etc. The present study provides a futuristic platform for researchers to pursue pharmaceutical and food safety assessments and a proper weed management plan.

Pharma Innovation published new progress about Bioactive agents. 929-77-1 belongs to class esters-buliding-blocks, name is Methyl docosanoate, and the molecular formula is C23H46O2, Name: Methyl docosanoate.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Rasheed, Hafiz Majid published the artcileChemical profiling and anti-breast cancer potential of hexane fraction of Sphaeranthus indicus flowers, Recommanded Product: Methyl docosanoate, the main research area is Sphaeranthus flower extract anticancer breast cancer.

The current study aimed to determine the phytochems. and anti-breast cancer potential of Sphaeranthus indicus. S. indicus flowers were extracted with methanol followed by fractionation using n-hexane. For the chem. composition of n-hexane fraction, qual. phytochem. and GC-MS anal. were performed. The anti-proliferative activity was measured by MTT assay, whereas, cytotoxic and proapoptotic effects in MCF-7 (breast cancer) cells were determined using propidium iodide, 4,6-diamidino-2-phenylindole, dichlorofluorescin diacetate, and JC-1 staining through fluorescent microscopy. The phytochem. anal. indicated presence of phytosterols, oils and resins in the nhexane fraction. GC-MS anal. showed that n-hexane fraction comprises of 11 compounds including Me esters of caprylic acid, myristic acid, pentadecanoic acid, palmitic acid, margaric acid, stearic acid, oleic acid, elaidic acid, linoleic acid, linolenic acid and behanic acid. The tested fraction showed remarkable cytotoxic activity against breast cancer (MCF-7) cells while it was found less toxic towards non-cancerous (BHK-21) cells. Furthermore, morphol. assessment through fluorescent microscopy revealed cytotoxic and apoptotic effects by improved cell membrane permeability, increased reactive oxygen species level, compromised mitochondrial activity and condensation of chromatin network. Conclusion: The n-hexane fraction of S. indicus contains phytosterols, oils and fatty acid Me esters and produced apoptotic effect against breast cancer cells.

Tropical Journal of Pharmaceutical Research published new progress about Antitumor agents. 929-77-1 belongs to class esters-buliding-blocks, name is Methyl docosanoate, and the molecular formula is C23H46O2, Recommanded Product: Methyl docosanoate.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Zhang, Xudong published the artcileAnticancer properties of different solvent extracts of Cucumis melo L. seeds and whole fruit and their metabolite profiling using HPLC and GC-MS, Application of Methyl docosanoate, the main research area is Cucumis seed fruit plant extract antitumor agent metabolite.

Honeydew melon (Cucumis melo L.) is an oval-shaped delicious fruit of one cultivar group of the muskmelon with immense nutritional importance and is extensively consumed by many tropical countries. The effect of various organic solvents on the recovery of phytochems. from honeydew melon plant fruits and seeds was assessed. Further, High-Performance Liquid Chromatog. (HPLC) was used to examine and assess the contents of phenolic acid (gallic acid) and flavonoid (rutin) compounds The use of gas chromatog.-mass spectrometry (GC-MS) anal. explained the presence of volatile phytocompounds in the extracts The use of organic solvents had a substantial impact on the total dry weight and extract yield. In general, the solvent-extracted constituents remained in the order of methanol>chloroform>distilled water for both honeydew melon seeds and whole fruit. 3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide (MTT) was used to assess the cytotoxicity effect against PC3, HCT116, HeLa, and Jurkat cell lines. The chloroform extract exhibited a good cytotoxic activity against all cell lines as compared to other solvent extracts HPLC anal. revealed the occurrence of gallic acid content of 0.102±0.23 mg/10 mg of dry whole fruit extract, while 10 mg of dry seed extract contained only 0.022±0.12 mg of gallic acid content. Likewise, rutin content was observed to be 0.224±0.31 mg and 0.1916±0.82 mg/10 mg of dry whole fruit and seed extract, resp. Further, GC-MS anal. revealed the presence of a total of 37 compounds in chloroform extract of whole fruit, while only 14 compounds were found in seed extract Nevertheless, more examinations are needed to identify and characterize other metabolite from honeydew melon and evaluate their pharmacol. importance.

BioMed Research International published new progress about Antitumor agents. 929-77-1 belongs to class esters-buliding-blocks, name is Methyl docosanoate, and the molecular formula is C23H46O2, Application of Methyl docosanoate.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Qushawy, Mona published the artcileFormulation and Characterization of O/W Nanoemulsions of Hemp Seed Oil for Protection from Steatohepatitis: Analysis of Hepatic Free Fatty Acids and Oxidation Markers, Formula: C23H46O2, the main research area is oxidation hepatic free fatty acid steatohepatitis hemp seed oil; O/W nanoemulsion; characterization; free fatty acids; hemp seed oil; oxidation markers; rat NASH.

Non-alc. steatohepatitis (NASH) is a common type of metabolic liver disease which is characterized by fatty changes associated with hepatocyte injury, lobular inflammation, and/or liver fibrosis. Nanoemulsions are kinetically stable colloidal systems characterized by small droplet size. Hemp seed oil is a natural oil derived from Cannabis sativa seeds. The current study was designed to formulate nanoemulsion preparations of hemp seed oil with promising enhanced biol. activity against high fat (HF) diet induced NASH in rats. Four nanoemulsion formulas (NEFs) were formulated based on high-pressure homogenization technique and evaluated for droplet size, zeta potential (ZP), polydispersity index (PDI), elec. conductivity, pH, and viscosity, as well as the preparation stability. The best NEF was selected to perform an in vivo rat study; selection was based on the smallest droplet size and highest phys. stability. Results showed that NEF#4 showed the best physiochem. characters among the other preparations Twenty male rats were assigned to four groups as follows: normal, NASH control, NASH + hemp seed oil and NASH + hemp seed oil NEF4. The rats were tested for body weight (BWt) change, insulin resistance (IR) and hepatic pathol. The hemp seed NEF#4 protected against NASH progression in rats and decreased the % of BWt gain compared to the original Hemp seed oil. NEF#4 of Hemp seed oil showed greater protective activity against exptl. NASH and IR in rats. Hence, we can consider the nanoemulsion preparations as a useful tool for enhancing the biol. action of the hemp seed oil, and further studies are warranted for application of this technique for preparing natural oils aiming at enhancing their activities.

Pharmaceuticals published new progress about Action potential. 929-77-1 belongs to class esters-buliding-blocks, name is Methyl docosanoate, and the molecular formula is C23H46O2, Formula: C23H46O2.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Postaue, Najla published the artcileContinuous catalyst-free interesterification of crambe oil using methyl acetate under pressurized conditions, Related Products of esters-buliding-blocks, the main research area is methyl acetate crambe oil interesterification.

In this study the continuous production of fatty acid Me esters (FAME) and triacetin from crambe oil and Me acetate (MA), without the use of catalysts, was investigated. The effects of the oil to MA mass ratio, reaction temperature, addition of water (in the oil) and a two-step reaction on the formation of the products were determined The results indicated that increasing the availability of MA in the reaction medium had little influence on the FAME yield. An increase in the temperature enhanced the formation of esters and triacetin in the initial minutes of the reaction; however, as the reaction proceeded thermal decomposition was observed, mainly at 350°C. The sample composition revealed a high level of decomposition of linoleate and linolenate esters. A higher FAME yield was obtained with 10 wt% of water added to the oil (�3%), as well as with the application of a two-step reaction (�8%).

Energy Conversion and Management published new progress about Crambe abyssinica. 929-77-1 belongs to class esters-buliding-blocks, name is Methyl docosanoate, and the molecular formula is C23H46O2, Related Products of esters-buliding-blocks.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Nazari, Elahe published the artcileBeneficial effect of Brassica nigra fixed oil on the changes in memory caused by B-amyloid in an animal model, Safety of Methyl docosanoate, the main research area is Brassica nigra fixed oil amyloid memory change.

Dementia is a disease in which memory, thinking, and cognitive skills are impaired, with Alzheimer′s being the most common type of dementia. Brassica nigra is useful for eliminating memory loss in traditional Persian medicine. This study aims to examine the effect of B. nigra fixed oil (BNO) on the changes in memory caused by β-amyloid. This research was conducted on 42 Wistar rats divided into 7 groups (n = 6) including (1) control (received vehicle), (2) the group receiving BNO (925 and 462.5 mg/kg), (4) sham group (5) Alzheimer group (receiving 50 ng/μl/side β-amyloid in CA1 area of hippocampus) and 2 groups receiving β-amyloid along with two different doses of BNO. The daily gavage of BNO was done 2 to 21 days post amyloid injection. The spatial memory was evaluated in Morris water maze from day 21 to 26. The results of this study revealed that the gavage of BNO (925 mg/kg) to rats receiving β-amyloid, as compared to those receiving β-amyloid alone, significantly decreased the traveled distance and the required time for finding hidden platform on the training days and increased the time of presence in the target quadrant on the test days. The anal. of BNO with GC-MS revealed that Erucic acid (24.79%) and 11-Eicosenoic acid (17.23%) had the highest content in the BNO. Regarding the presence of unsaturated fatty acids, it is likely that the consumption of BNO can play an important role in the prevention of memory degradation which warrants further clin. studies.

Pharmaceutical Sciences (Tabriz, Islamic Republic of Iran) published new progress about Alzheimer disease. 929-77-1 belongs to class esters-buliding-blocks, name is Methyl docosanoate, and the molecular formula is C23H46O2, Safety of Methyl docosanoate.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Liu, Fujian published the artcileDeveloping two-dimensional solid superacids with enhanced mass transport, extremely high acid strength and superior catalytic performance, Computed Properties of 929-77-1, the main research area is montmorillonite superacid acid strength mass transport superior catalytic property.

Solid acids have been widely used as heterogeneous catalysts in developing green and sustainable chem. However, it remains a challenge to improve the mass transport properties and acid strength of solid acids simultaneously. Herein, we report a class of two dimensional (2D) layered hybrid solid acids with outstanding mass transfer and extremely high acid strength by incorporating sulfonated polymers in-between montmorillonite layers. The 2D layered structure and broad distribution of pore sizes allow for highly efficient mass transport of substrate mols. into and out of the solid acids. The acid strength of these solid acids was found to be stronger than that of 100% H2SO4, H3PW12O40 and any other reported solid acids to date, as determined by 1H and 31P solid-state NMR. These 2D solid acids show extraordinary catalytic performance in biomass conversion to fuels, superior to that of H3PW12O40, HCl and H2SO4. Theor. calculations and control experiments reveal that H-bond based interactions between the polymer and montmorillonite facilitate the unusually high acid strengths found in these samples.

Chemical Science published new progress about Activation energy. 929-77-1 belongs to class esters-buliding-blocks, name is Methyl docosanoate, and the molecular formula is C23H46O2, Computed Properties of 929-77-1.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Nurhidayanti, Nisa published the artcileThe effect of use microwave irradiation in produce biodiesel nyamplung oil (Calophyllum inophyllum Linn) using KOH catalyst, Computed Properties of 929-77-1, the main research area is Potassium hydroxide catalyst microwave irradiation biodiesel Calophyllum inophyllum Linn.

Nyamplung (Calophyllum inophyllum Linn) is a non edible that has the potential to produce high yield biodiesel. Oil nyamplung in this study had amounted to 27,498% FFA content, therefore, needs a pretreatment process consisting of degumming to remove gum, esterification and neutralization to lower FFA <2% so that the oil can be resumed in the transesterification process. The purpose of this research to study the effect of microwave power, time and temperature of the reaction to yield biodiesel, identify Me ester in the product and assess the kinetics of making biodiesel from oil nyamplung using microwave irradiation Transesterification is done by using a variation of power (100, 200 and 400W), variations of time (5, 7, 10, 12 and 15 min) and variations of temperature (50, 55, 60, 65 and 70° C). The results showed the best conditions using microwave power of 200 W at 65°C for 5 min, maximum yield of 84,62% biodiesel and biodiesel phys. properties meet the standard of SNI 04-7182-2006. GCMS anal. showed that the Me ester of biodiesel oil nyamplung is 30,23% Me oleic, 25,76% Me linolelaidate, 19.21% Me palmitate, 15,75% Me stearic, 2,11% Me lignocerate, 1,41%, Me eicosanoic, 0,54% Me behenate and 0,37% Me palmitoleic. Transesterification reaction rate constant of first order at a temperature of 55°C, 65°C and 70°C is 0,395 min-1, 0,405 min-1 and 0,412 min-1. Pre exponential factor (A) amounted to 1,0161 L / mol min; the activation energy (Ea) 2579,834 J/mol and the rate of transesterification reaction (rt) = 1,0161e(2579,834/RT)[ME]. The results of this study showed that the rate of reaction using microwave irradiation higher and the reaction time becomes 1/6 times faster with activation energy value is smaller than with conventional methods. Journal of Physics: Conference Series published new progress about Activation energy. 929-77-1 belongs to class esters-buliding-blocks, name is Methyl docosanoate, and the molecular formula is C23H46O2, Computed Properties of 929-77-1.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Casiello, Michele published the artcileZnO/ionic liquid catalyzed biodiesel production from renewable and waste lipids as feedstocks, SDS of cas: 929-77-1, the main research area is zinc oxide ionic liquid catalyst biodiesel renewable waste lipid.

A new protocol for biodiesel production is proposed, based on a binary ZnO/TBAI (TBAI = tetrabutylammonium iodide) catalytic system. Zinc oxide acts as a heterogeneous, bifunctional Lewis acid/base catalyst, while TBAI plays the role of phase transfer agent. Being composed by the bulk form powders, the whole catalyst system proved to be easy to use, without requiring nano-structuration or tedious and costly preparation or pre-activation procedures. In addition, due to the amphoteric properties of ZnO, the catalyst can simultaneously promote transesterification and esterification processes, thus becoming applicable to common vegetable oils (e.g., soybean, jatropha, linseed, etc.) and animal fats (lard and fish oil), but also to waste lipids such as cooking oils (WCOs), highly acidic lipids from oil industry processing, and lipid fractions of municipal sewage sludge. Reusability of the catalyst system together with kinetic (Ea) and thermodn. parameters of activation (ΔGâ€?and ΔHâ€? are also studied for transesterification reaction.

Catalysts published new progress about Activation energy. 929-77-1 belongs to class esters-buliding-blocks, name is Methyl docosanoate, and the molecular formula is C23H46O2, SDS of cas: 929-77-1.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics