Tag: M.W=150-200

Sirtori, Francesco published the artcileEffects of genotype and salting time on chemical, physical and sensorial traits of a new pig seasoned meat product ‘Cuore Di Spalla’, Recommanded Product: Ethyl nonanoate, the main research area is Cuore Di Spalla genotype sensory property food.

The aim of this work was to determine the chem., phys. and sensorial characteristics of a cured product called ‘Cuore di Spalla’, resulting from two different pig genotypes (G) and two salting times (S). Fourteen Duroc × Large White (D × LW) and 14 Cinta Senese × Large White (CS × LW), reared in the same condition in outdoor and fed com. mixture The animals were slaughtered at 10 mo of age which corresponds to an average live weight of 143 ± 15 kg for D × LW and 122 ± 15 kg for CS × LW. The right shoulders were salted for 3 days (L) and the left ones for 5 days (H). Phys. (color, texture profile anal.), chem. (moisture; crude protein; IMF; ash; salt; total lipids; fatty acids) and sensorial analyses (by panellists’ group) as well as volatile compounds profile (by SPME-GC-MS technique) were determined at the end of seasoning period. The genotype affected product’s size (1484.3 vs 1857.1 g of final weight for CS × LW and D × LW resp.), chem. characteristics and texture (cohesiveness 0.50 vs 0.53 and springiness 6.73 vs 7.12 for CS × LW and D × LW resp.). Aromatic profile was less affected by the factors considered or at least the panellists were not able to discriminate the effect. The main family of volatile compounds affected by genotype was alcs. Salting time seemed to affect only the parameters closely related to salt (16.52 vs 15.33% of salt and 5.15 vs 4.35 for saltiness in H vs L resp.).

Italian Journal of Animal Science published new progress about Fatty acids Role: BSU (Biological Study, Unclassified), BIOL (Biological Study). 123-29-5 belongs to class esters-buliding-blocks, name is Ethyl nonanoate, and the molecular formula is C11H22O2, Recommanded Product: Ethyl nonanoate.

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

Huang, Xiuqiong published the artcileEffect of Natural Antioxidants from Marigolds (Tagetes erecta L.) on the Oxidative Stability of Soybean Oil, Product Details of C9H18O2, the main research area is Tagetes soybean oil natural antioxidant oxidative stability; DPPH-HPLC-Q-TOF/MS; HS-SPME-GC-MS; Tagetes erecta L.; oxidative stability; quercetagetin.

In recent years, synthetic antioxidants that are widely used in foods have been shown to cause detrimental health effects, and there has been growing interest in antioxidants realized from natural plant extracts In this study, we investigate the potential effects of natural antioxidant components extracted from the forage plant marigold on the oxidative stability of soybean oil. First, HPLC-Q-TOF-MS/MS was used with 1,1-diphenyl-2-picrylhydrazyl (DPPH) to screen and identify potential antioxidant components in marigold. Four main antioxidant components were identified, including quercetagetin-7-O-glucoside (1), quercetagetin (2), quercetin (3) and patuletin (4). Among them, quercetagetin (QG) exhibited the highest content and the strongest DPPH radical scavenging activity and effectively inhibited the production of oxidation products in soybean oil during accelerated oxidation, as indicated by reductions in the peroxide value (PV) and acid value (AV). Then, the fatty acids and volatile compounds of soybean oil were determined with gas chromatog.-mass spectrometry (GC-MS) and headspace solid-phase microextraction-gas chromatog.-mass spectrometry (HS-SPME-GC-MS). A total of 108 volatile components, including 16 alcs., 23 aldehydes, 25 ketones, 4 acids, 15 esters, 18 hydrocarbons, and 7 other compounds, were identified. QG significantly reduced the content and number of aldehydes and ketones, whereas the formation of acids and hydrocarbons was completely prevented. In addition, the fatty acid anal. demonstrated that QG significantly inhibited oxidation of unsaturated fatty acids. Consequently, QG was identified as a potential, new natural antioxidant that is believed to be safe, effective and economical, and it may have potential for use in plant extracts feed additives.

Molecules published new progress about Fatty acids Role: BSU (Biological Study, Unclassified), BIOL (Biological Study). 111-11-5 belongs to class esters-buliding-blocks, name is Methyl octanoate, and the molecular formula is C9H18O2, Product Details of C9H18O2.

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

Ghazipour, H. published the artcileInsights on biodiesel blends with alkanol solvents, Related Products of esters-buliding-blocks, the main research area is biodiesel blend alkanol solvent radial distribution.

Thermophys. properties of mixtures of fatty acid esters with alkanols were measured in the whole composition range as a function of temperature for understanding features of biodiesel blends. Excess and mixing properties calculated from exptl. measurements allowed to quantify and analyze the intermol. forces in the considered systems. Likewise, mol. modeling studies using quantum chem. and classical mol. dynamics simulations led to a detailed characterization of these systems at the nanoscopic level. The nature of hydrogen bonding in these liquid mixtures was particularly analyzed from macroscopic properties and theor. modeling results. The reported exptl. and computational study allowed to infer the relationships between the intermol. forces and addnl. microscopic features and the mixtures macroscopic properties, which are relevant for the development and characterization of biodiesels. The non-ideality behavior of the studied systems shows relevant changes in hydrogen bonding structuring upon mixing, with the fatty acid esters largely disrupting the alcs. self-association, although ester – alc. hydrogen bonding is developed, this type of interactions is remarkably weaker than those for alcs. Therefore, the studied biodiesel blends macroscopic properties may be tuned and controlled through the amount of alcs. in the mixtures and rooted on its effect on hydrogen bonding.

Journal of Molecular Liquids published new progress about Alcohols Role: PEP (Physical, Engineering or Chemical Process), PROC (Process). 110-42-9 belongs to class esters-buliding-blocks, name is Methyl decanoate, and the molecular formula is C11H22O2, Related Products of esters-buliding-blocks.

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

Tang, Bo published the artcileChiral amorphous metal-organic polyhedra used as the stationary phase for high-resolution gas chromatography separations, Related Products of esters-buliding-blocks, the main research area is methyl caproate enanthate high resolution gas chromatog separation; amorphous metal-organic polyhedra; chiral recognition; chiral stationary phases; gas chromatography.

Herein, we describe a new chiral amorphous metal-organic polyhedra used as the stationary phase for high-resolution gas chromatog. (GC). The chiral stationary phase was coated onto a capillary column via a dynamic coating process and investigated for a variety of compounds The exptl. results showed that the chiral stationary phase exhibits good selectivity for linear alkanes, linear alcs., polycyclic aromatic hydrocarbons, isomers, and chiral compounds In addition, the column has the advantages of high column efficiency and short anal. time. The present work indicated that amorphous metal-organic polyhedra have great potential for application as a new type of stationary phase for GC.

Chirality published new progress about Alcohols Role: PEP (Physical, Engineering or Chemical Process), PROC (Process). 110-42-9 belongs to class esters-buliding-blocks, name is Methyl decanoate, and the molecular formula is C11H22O2, Related Products of esters-buliding-blocks.

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

Tang, Bo published the artcileChiral amorphous metal-organic polyhedra used as the stationary phase for high-resolution gas chromatography separations, Category: esters-buliding-blocks, the main research area is methyl caproate enanthate high resolution gas chromatog separation; amorphous metal-organic polyhedra; chiral recognition; chiral stationary phases; gas chromatography.

Herein, we describe a new chiral amorphous metal-organic polyhedra used as the stationary phase for high-resolution gas chromatog. (GC). The chiral stationary phase was coated onto a capillary column via a dynamic coating process and investigated for a variety of compounds The exptl. results showed that the chiral stationary phase exhibits good selectivity for linear alkanes, linear alcs., polycyclic aromatic hydrocarbons, isomers, and chiral compounds In addition, the column has the advantages of high column efficiency and short anal. time. The present work indicated that amorphous metal-organic polyhedra have great potential for application as a new type of stationary phase for GC.

Chirality published new progress about Alcohols Role: PEP (Physical, Engineering or Chemical Process), PROC (Process). 111-11-5 belongs to class esters-buliding-blocks, name is Methyl octanoate, and the molecular formula is C9H18O2, Category: esters-buliding-blocks.

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

He, Zeyu published the artcileCooperation between an alcoholic proton and boryl species in the catalytic gem-hydrodiborylation of carboxylic esters to access 1,1-diborylalkanes, Synthetic Route of 111-11-5, the main research area is alc boryl reactivity hydrodiborylation carboxylic ester; diboryl alkane boronic ester preparation chemoselective.

Cooperation between an alc. proton and boryl species in the selective gem-hydrodiborylation of carboxylic esters is described. The simple iron salt FeBr2 was used as an effective catalyst. Exptl. evidence suggests that the ester is initially hydrogenated with the alc. proton as the hydride source to provide an intermediate aldehyde, followed by a gem-diborylation with B2pin2 (bis(pinacolato)diboron) to selectively achieve gem-hydrodiborylation. The structure of the alkoxide used is important for chemoselective transformation of the ester functional group. When tert-butoxide is used, protonation of the iron boryl species to form an iron hydride species is rate-limiting, making hydrodiborylation of the ester selectively occur. When ethoxide or methoxide is used, the protonation of the iron boryl species to form an iron hydride species is relatively facile, making hydrogenation of the ester to an alc. selectively occur with the alc. proton acting as the hydride source. With NaOtBu as the base and EtOH as the proton source, various aliphatic esters like Et acetate were selectively converted to 1,1-diborylalkanes in the presence of B2pin2. Diverse transformations of the obtained 1,1-diborylalkanes exhibit the advantages of this methodol. for hetero multi-functionalization of ester functional groups for the synthesis of various value-added mols.

Organic Chemistry Frontiers published new progress about Alkanes Role: SPN (Synthetic Preparation), PREP (Preparation) (diborylalkanes). 111-11-5 belongs to class esters-buliding-blocks, name is Methyl octanoate, and the molecular formula is C9H18O2, Synthetic Route of 111-11-5.

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

Cheng, Jin-tao published the artcileTranscriptome analysis of the influence of CPPU application for fruit setting on melon volatile content, Formula: C9H10O2, the main research area is Cucumis fruit benzyl phenethyl acetate phenylalanine metabolism CPPU transcriptomics.

In fruit production, the application of the plant growth regulator 1-(2-chloro-4-pyridyl)-3-phenylurea (CPPU) dulls the fruit aroma. Gas chromatog.-mass spectrometry and transcriptome analyses were performed on CPPU-treated and pollinated fruits to determine how CPPU affects the production of aroma in melon fruit. The results showed that the contents of two important esters (benzyl acetate and phenethyl acetate) in the CPPU-treated fruits were significantly lower than those in the pollinated fruits. Transcriptome sequencing data revealed that most differentially expressed genes were involved in “”phenylalanine metabolism”” pathway, and their expression was significantly decreased in the CPPU-treated fruits. Further anal. showed that the phenylalanine content in the CPPU-treated fruits was significantly higher than that in the pollinated fruits. In summary, CPPU application interferes with phenylalanine metabolism in melon fruits and affects the production of aromatic esters.

Journal of Integrative Agriculture published new progress about Amino acids Role: BSU (Biological Study, Unclassified), BIOL (Biological Study). 140-11-4 belongs to class esters-buliding-blocks, name is Benzyl acetate, and the molecular formula is C9H10O2, Formula: C9H10O2.

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

Dalcin, Mateus S. published the artcilePotential Action Mechanism and Inhibition Efficacy of Morinda citrifolia Essential Oil and Octanoic Acid against Stagonosporopsis cucurbitacearum Infestations, Recommanded Product: Methyl decanoate, the main research area is octanoic acid morinda citrifolia essential oil stagonosporopsis cucurbitacearum infestation; gummy stem blight; molecular docking; plant-based biorational fungicides; tyrosine–tRNA ligase.

The use of plant-based products has been shown to efficiently inhibit fungi-mediated diseases in agricultural crops. Here, we extracted and evaluated the composition of noni, Morinda citrifolia L., essential oil and assessed its activities against Stagonosporopsis cucurbitacearum in Cucumis melo L. Using in silico mol. approaches, potential interactions between the essential oil major components and S. cucurbitacearum tyrosine-tRNA ligase were predicted. Finally, we also measured the potential interference of plant physiol. (the stomatal conductance and net photosynthesis) mediated by the application of the M. citrifolia essential oil. Chromatog. anal. revealed that octanoic acid (75.8%), hexanoic acid (12.8%), and iso-Bu pent-4-enyl carbonate (3.1%) were the major essential oil compounds Octanoic acid and noni essential oil, when used as preventive measures, reduce fungal mycelial growth at a concentration of 5 mg/mL without causing significant damage to the treated leaves, which reinforces their efficacies as preventive tools against S. cucurbitacearum. Mol. docking analyses predicted very stable interactions between the major essential oil constituents and S. cucurbitacearum tyrosine-tRNA ligase, suggesting the interference of these plant-based mols. upon enzyme activation. Octanoic acid and M. citrifolia essential oil at concentrations of 20 mg/mL decreased the stomatal conductance and net photosynthesis rate of melon plants, resulting in robust phytotoxicity. Collectively, our findings indicated that despite the phytotoxicity risks at higher concentrations, M. citrifolia essential oil and octanoic acid, have potential as alternative tools for the integrative management of S. cucurbitacearum.

Molecules published new progress about Amino acids Role: BSU (Biological Study, Unclassified), BIOL (Biological Study). 110-42-9 belongs to class esters-buliding-blocks, name is Methyl decanoate, and the molecular formula is C11H22O2, Recommanded Product: Methyl decanoate.

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

Dalcin, Mateus S. published the artcilePotential Action Mechanism and Inhibition Efficacy of Morinda citrifolia Essential Oil and Octanoic Acid against Stagonosporopsis cucurbitacearum Infestations, Computed Properties of 111-11-5, the main research area is octanoic acid morinda citrifolia essential oil stagonosporopsis cucurbitacearum infestation; gummy stem blight; molecular docking; plant-based biorational fungicides; tyrosine–tRNA ligase.

The use of plant-based products has been shown to efficiently inhibit fungi-mediated diseases in agricultural crops. Here, we extracted and evaluated the composition of noni, Morinda citrifolia L., essential oil and assessed its activities against Stagonosporopsis cucurbitacearum in Cucumis melo L. Using in silico mol. approaches, potential interactions between the essential oil major components and S. cucurbitacearum tyrosine-tRNA ligase were predicted. Finally, we also measured the potential interference of plant physiol. (the stomatal conductance and net photosynthesis) mediated by the application of the M. citrifolia essential oil. Chromatog. anal. revealed that octanoic acid (75.8%), hexanoic acid (12.8%), and iso-Bu pent-4-enyl carbonate (3.1%) were the major essential oil compounds Octanoic acid and noni essential oil, when used as preventive measures, reduce fungal mycelial growth at a concentration of 5 mg/mL without causing significant damage to the treated leaves, which reinforces their efficacies as preventive tools against S. cucurbitacearum. Mol. docking analyses predicted very stable interactions between the major essential oil constituents and S. cucurbitacearum tyrosine-tRNA ligase, suggesting the interference of these plant-based mols. upon enzyme activation. Octanoic acid and M. citrifolia essential oil at concentrations of 20 mg/mL decreased the stomatal conductance and net photosynthesis rate of melon plants, resulting in robust phytotoxicity. Collectively, our findings indicated that despite the phytotoxicity risks at higher concentrations, M. citrifolia essential oil and octanoic acid, have potential as alternative tools for the integrative management of S. cucurbitacearum.

Molecules published new progress about Amino acids Role: BSU (Biological Study, Unclassified), BIOL (Biological Study). 111-11-5 belongs to class esters-buliding-blocks, name is Methyl octanoate, and the molecular formula is C9H18O2, Computed Properties of 111-11-5.

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

Zhang, Qianying published the artcileKey aroma compounds and metabolic profiling of Debaryomyces hansenii L1-1-fermented Flos Sophorae, Recommanded Product: Benzyl acetate, the main research area is Debaryomyces fermented Flos Sophorae aroma compound metabolic profiling; Debaryomyces hansenii ; Flos Sophorae; amino acid; aroma compound; metabolic pathway.

The extract from Debaryomyces hansenii L1-1-fermented Flos Sophorae has a unique aroma and could be used as a natural spice. The influence of yeast growth and culture medium pH on organoleptic properties of fermented substrates, as well as on the content of volatile aromatic compounds, total sugars, polysaccharides, reducing sugars, total proteins, and amino acids, were analyzed. Metabolic pathways were annotated to compare and contrast key aromatic compounds and metabolic profiles of water and ethanol extracts of D. hansenii L1-1-fermented Flos Sophorae. We found that cells grew most rapidly, pH values changed significantly, and the largest consumption of sugars and amino acids occurred within 48 h, producing bouquet-like, fruity, and sweet odors, as well as the highest content of volatile aromatic compounds in the extracts The main aroma metabolites were 2-phenylethanol, linalool, and α-terpineol. The sensory quality of the ethanol extracts was superior to that of the water extracts Five aromatic compounds, isoamyl alc., 2-methylbutan-1-ol, isobutyric acid, 2,3-hexanedione, and 1-hexanol, were pos. correlated with the water extract group and neg. correlated with the ethanol extract group, whereas 13 aromatic compounds, styrene, acetophenone, 2-octen-1-ol, linalool, naphthalene, α-terpineol, dihydrocarveol, (-)-myrtenol, Me anthranilate, eugenol, γ-nonanolactone, jasmone, and β-ionone, showed the converse trend. Although 2-phenylethanol displayed the highest concentration in the extracts, it did not significantly contribute to the separation of ethanol and water extracts In Flos Sophorae medium, D. hansenii mainly produces 2-phenylethanol from phenylalanine by the Ehrlich reaction, whereas it produces linalool and α-terpineol by the terpenoid backbone and monoterpenoid biosynthetic pathways; the variable contents of proline, arginine, and glutamate could respond to the arginine and proline metabolic pathways. Practical applications : Flos Sophorae, a collection of buds of Sophora japonica L., is a traditional Chinese medicinal and edible plant for its good aroma, taste, and nutritional value. Debaryomyces hansenii is a common, aroma-producing yeast. D. hansenii L1-1-fermented Flos Sophorae had a unique, bouquet-like aroma, slightly softer than the typical Flos Sophorae-like aroma. This study enriches our understanding of predominant aroma components and determines their contribution to the profiles of Flos Sophorae ferments obtained using D. hansenii L1-1. Researchers and manufacturers specializing in spices making can use these data to improve the aromatic profiles of natural spices produced by microorganisms, thereby obtaining unique aromas.

Journal of Food Biochemistry published new progress about Amino acids Role: BSU (Biological Study, Unclassified), BIOL (Biological Study). 140-11-4 belongs to class esters-buliding-blocks, name is Benzyl acetate, and the molecular formula is C9H10O2, Recommanded Product: Benzyl acetate.

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