Category: 1731-94-8

Volcanic deposits affect soil nitrogen dynamics and fungal-bacterial dominance in temperate forests was written by Yokobe, Tomohiro;Hyodo, Fujio;Tokuchi, Naoko. And the article was included in Soil Biology & Biochemistry in 2020.Category: esters-buliding-blocks The following contents are mentioned in the article:

Volcanic deposits increase soil organic carbon storage. However, little is known about the effect of volcanic deposits on forest soil nitrogen (N) dynamics and microbial communities. We explored gross and net N transformation rates and microbial community structure using a phospholipid fatty acid (PLFA) method across eight forests with soils derived from different parent material in Japan. Volcanic mineral soils had approx. three-fold greater total N and inorganic N contents and gross nitrification, ammonium immobilization, and nitrate immobilization rates that were one order of magnitude higher than in non-volcanic soils. Moreover, volcanic mineral soils had a 1.7-fold lower N turnover rate, which was estimated as net N mineralization rate per soil N. This was likely caused by a higher gross N immobilization rate, potentially due to the mineral traits of volcanic soils. Volcanic mineral soils had approx. four- and three-fold greater microbial biomass-N and bacterial PLFA contents, resp., and the fungal:bacterial PLFA ratio was lower in volcanic mineral soils than in non-volcanic soils. Microbial community structure, analyzed using non-metric multidimensional scaling, was distinct between volcanic and non-volcanic soils, and was significantly affected by soil characteristics. This study demonstrates that aside from soil carbon storage, volcanic deposits are related to increases in soil N immobilization, N content, bacterial biomass, and N transformation rates in forest ecosystems. This study involved multiple reactions and reactants, such as Methyl nonadecanoate (cas: 1731-94-8Category: esters-buliding-blocks).

Methyl nonadecanoate (cas: 1731-94-8) belongs to esters. Carboxylic acid esters of low molecular weight are colourless, volatile liquids with pleasant odours, slightly soluble in water. Because of their lack of hydrogen-bond-donating ability, esters do not self-associate. Consequently, esters are more volatile than carboxylic acids of similar molecular weight.Category: esters-buliding-blocks

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

Comparative volatile compounds and primary metabolites profiling of pitaya fruit peel after ozone treatment was written by Wu, Qixian;Zhang, Zhengke;Zhu, Hong;Li, Taotao;Zhu, Xiangrong;Gao, Huijun;Yun, Ze;Jiang, Yueming. And the article was included in Journal of the Science of Food and Agriculture in 2019.Name: Methyl nonadecanoate The following contents are mentioned in the article:

BACKGROUND : Ozone treatment can effectively inhibit fruit decay in many fruits during postharvest storage. However, little information is available for pitaya fruit. RESULTS : Ozone treatment significantly reduced the decay rate and induced the enzyme activities of peroxidase and polyphenol oxidase, and also reduced the levels of reactive oxygen species. In total, 103 metabolites were detected and changed the content after ozone treatment, including 54 primary metabolites and 49 aromatic compounds After significance and importance anal., 37 metabolites were important. Some metabolites were induced by peel senescence to respond to senescence stress, including D-fructose, D-glucose, mannose, inositol, galactonic acid, ethanedioic acid and stearic acid. Some metabolic products of peel senescence were reduced by ozone treatment, including D-arabinose, glucaric acid, galacturonic acid, 1-hexanol, 4-ethylcyclohexanol, β-linalool, palmitoleic acid and 2-hydroxy-cyclopentadecanone. Some metabolites induced by ozone treatment might play a vital role in delaying the senescence and decay, including malic acid, succinic acid, pentenoic acid, eicosanoic acid, 2-hexenal, hexanal, 2-heptenal, 4-heptenal, 2-octenal and nitro m-xylene. CONCLUSION : Ozone treatment significantly reduced decay and prolonged shelf-life without reducing fruit quality. In total, 37 metabolites might play an important role in ozone delayed fruit decay. © 2018 Society of Chem. Industry. This study involved multiple reactions and reactants, such as Methyl nonadecanoate (cas: 1731-94-8Name: Methyl nonadecanoate).

Methyl nonadecanoate (cas: 1731-94-8) belongs to esters. Esters perform as high-grade solvents for a broad array of plastics, plasticizers, resins, and lacquers, and are one of the largest classes of synthetic lubricants on the commercial market. Cyclic esters are called lactones, regardless of whether they are derived from an organic or inorganic acid. One example of an organic lactone is γ-valerolactone.Name: Methyl nonadecanoate

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

Lactococcus insecticola sp. nov. and Lactococcus hodotermopsidis sp. nov., isolated from the gut of the wood-feeding lower termite Hodotermopsis sjostedti was written by Noda, Satoko;Koyama, Fumiya;Aihara, Chihiro;Ikeyama, Nao;Yuki, Masahiro;Ohkuma, Moriya;Sakamoto, Mitsuo. And the article was included in International Journal of Systematic and Evolutionary Microbiology in 2020.Safety of Methyl nonadecanoate The following contents are mentioned in the article:

Two strains of lactic acid bacteria, designated Hs20B0-1T and Hs30E4-3T, were isolated from the gut of the damp-wood termite Hodotermopsis sjostedti. These strains were characterized genetically and phenotypically. Strain Hs20B0-1T was related to Lactococcus piscium DSM 6634T showing 96.3 and 84.2 % sequence similarity in 16S rRNA gene and rpoB gene sequences, resp. Strain Hs30E4-3T was related to Lactococcus plantarum DSM 20686T showing 94.8 and 82.2 % sequence similarity in 16S rRNA gene and rpoB gene sequences, resp. The 16S rRNA gene sequence similarity between strains Hs20B0-1T and Hs30E4-3T was 95.7 %. Furthermore, genomic comparisons using pairwise average nucleotide identity (ANI) and digital DNA-DNA hybridization (DDH) analyses between strain Hs20B0-1T and L. piscium DSM 6634T resulted in values of 73.5 and 20.1 %, resp. Strain Hs30E4-3T had 72.8 % ANI similarity and 21.3 % DDH similarity to L. plantarum DSM 20686T. Strains Hs20B0-1T and Hs30E4-3T had 75.4 % ANI similarity and 21.1 % DDH similarity to each other. The cell-wall peptidoglycan types of strains Hs20B0-1T and Hs30E4-3T were A4α, Lys-Asp and A3α, Lys-Thr-Ala, resp. The two strains, Hs20B0-1T and Hs30E4-3T, are distinguishable from each other and other established Lactococcus species phylogenetically and phenotypically. In conclusion, two novel species of the genus Lactococcus are proposed, namely Lactococcus insecticola Hs20B0-1T (= JCM 33485T = DSM 110147T) and Lactococcus hodotermopsidis Hs30E4-3T (= JCM 33486T = DSM 110148T), resp. This study involved multiple reactions and reactants, such as Methyl nonadecanoate (cas: 1731-94-8Safety of Methyl nonadecanoate).

Methyl nonadecanoate (cas: 1731-94-8) belongs to esters. Esters are widespread in nature and are widely used in industry. In nature, fats are in general triesters derived from glycerol and fatty acids. Esters are responsible for the aroma of many fruits. Many esters have the potential for conformational isomerism, but they tend to adopt an s-cis (or Z) conformation rather than the s-trans (or E) alternative, due to a combination of hyperconjugation and dipole minimization effects. The preference for the Z conformation is influenced by the nature of the substituents and solvent, if present. Lactones with small rings are restricted to the s-trans (i.e. E) conformation due to their cyclic structure.Safety of Methyl nonadecanoate

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

Light quality and explant type modulate growth, antioxidant properties and bioactive compounds production of calluses of Passiflora setacea cv BRS Peŕola do Cerrado was written by Santos-Tierno, Raphaela;Garcia, Renata;Fonseca, Eduardo;Faleiro, Fabio;Moreira, Davyson;Pacheco, Georgia;Mansur, Elisabeth. And the article was included in Plant Cell, Tissue and Organ Culture in 2021.Recommanded Product: Methyl nonadecanoate The following contents are mentioned in the article:

Passiflora species have high industrial and medicinal relevance, due to presence of specific metabolites and their recognized pharmacol. activities. In vitro systems allow the modulation of secondary metabolites production according to culture conditions. In this work, we report the effect of different light emitting diodes (LED) on induction, metabolite production, and antioxidant properties of calluses derived from stem and leaf segments of P. setacea cv BRS Peŕola do Cerrado. Friable calluses were induced on MSM medium supplemented with picloram, under different light qualities (white fluorescent lamps or different types of LEDs) or in the dark. Light quality contributed more significantly for biomass accumulation than the other variables. Callus formation was observed in response to all treatments, although the highest biomass accumulation was induced by red LED. Chromatog. analyses indicated that blue LED induced the highest production of bioactive substances. All samples displayed low antioxidant potential by the DPPH assay, but showed a high capacity to chelate iron. The activity of antioxidant enzymes was also evaluated. The incubation under red LED caused an increase on the activity of superoxide dismutase, catalase and ascorbate peroxidase in calluses derived from internodal segments induced under red LED. This is the first study evaluating the effect of lighting conditions in in vitro systems of P. setacea cv BRS Peŕola do Cerrado, thus opening new possibilities of study and utilization. This study involved multiple reactions and reactants, such as Methyl nonadecanoate (cas: 1731-94-8Recommanded Product: Methyl nonadecanoate).

Methyl nonadecanoate (cas: 1731-94-8) belongs to esters. Esters perform as high-grade solvents for a broad array of plastics, plasticizers, resins, and lacquers, and are one of the largest classes of synthetic lubricants on the commercial market. Polyesters are important plastics, with monomers linked by ester moieties. Esterification is the general name for a chemical reaction in which two reactants (typically an alcohol and an acid) form an ester as the reaction product. Esters are common in organic chemistry and biological materials.Recommanded Product: Methyl nonadecanoate

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

Phenolic profile, essential oil composition and bioactivity of Lasia spinosa (L.) thwaites was written by Rahman, Atiqur;Siddiqui, Shah Alam;Oke-Altuntas, Feyza;Okay, Sezer;Gul, Fatih;Demirtas, Ibrahim. And the article was included in Brazilian Archives of Biology and Technology in 2019.Formula: C20H40O2 The following contents are mentioned in the article:

Lasia spinosa (L.) Thwaites is a widely used ethnomedicinal plant in Bangladesh. In this study, we investigated phenolic contents, volatile compounds and fatty acids, and essential oil components of extracts prepared from aerial parts of the plant. The main volatile compounds were Me ester of oleic acid, palmitic acid and stearic acid as determined by GC/MS. Phenolic contents of the extracts were determined qual. and quant. by HPLC/TOF-MS. Six phenolic compounds (syringic acid, morin, gentistic acid, 4-hydroxybenzoic acid, cinnamic acid, and apigenin) were found in the extracts GC/MS anal. of steam distilled essential oil showed camphor, α-pinene and δ-3-carene as the main constituents. In DPPH radical scavenging assay, the highest free radical scavenging activity was observed for the methanol extract with an IC50 value of 0.48 ± 0.04 mg/mL, whereas, in metal chelating activity on ferrous ions (Fe2+) assay, the highest chelating activity was observed for hexane extract (IC50 = 0.55 ± 0.08 mg/mL). The extracts and essential oil were tested against five severe human pathogenic bacteria using disk diffusion assay and subsequent MIC values were also determined All the extracts (except methanol extract) and the essential oil were found to possess potential antimicrobial activity with corresponding inhibition zone and min. inhibitory concentration (MIC) ranging from 9-23 mm and 62.5-500μg/mL. This study has been explored the plant Lasia spinosa can be seen as a potential source of biol. active compounds This study involved multiple reactions and reactants, such as Methyl nonadecanoate (cas: 1731-94-8Formula: C20H40O2).

Methyl nonadecanoate (cas: 1731-94-8) belongs to esters. Esters are widespread in nature and are widely used in industry. In nature, fats are in general triesters derived from glycerol and fatty acids. Esters are responsible for the aroma of many fruits. Cyclic esters are called lactones, regardless of whether they are derived from an organic or inorganic acid. One example of an organic lactone is γ-valerolactone.Formula: C20H40O2

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

Anticoccidial effectivity of a traditional medicinal plant, Cinnamomum verum, in broiler chickens infected with Eimeria tenella was written by Qaid, Mohammed M.;Al-Mufarrej, Saud I.;Azzam, Mahmoud M.;Al-Garadi, Maged A.. And the article was included in Poultry Science in 2021.COA of Formula: C20H40O2 The following contents are mentioned in the article:

The anticoccidial influences of various amounts of Cinnamomum verum powder were compared with that of salinomycin as standard synthetic anticoccidial drug on the anticoccidial indicators and production performance in broilers exptl. exposed to coccidiosis. Broiler chicks at 1 d of age (n = 150) were arbitrarily distributed into 6 groups. Birds from groups 1-3 were received the starter and finisher diets plus 2, 4, and 6 g of cinnamon/kg of the diet, resp. Birds from group 4 were fed the starter and finisher diets plus 66 mg of salinomycin, group 5 constituted the pos. control (PC), with the coccidial challenge, and group 6 constituted the neg. control (NC), without the coccidial infection, which were both maintained on diets without any cinnamon. The results showed that BW gain, feed conversion ratio, and production efficiency factor declined considerably (P < 0.05) in the PC compared with the NC. At seventh day postinfection (DPI), the lesion score was significantly (P < 0.05) lower in the ceca of salinomycin-treated birds than the PC. The anticoccidial index was moderate in the chickens treated with salinomycin and 6 g cinnamon at 7 DPI compared with those in the PC group. In addition, cinnamon- or salinomycin-treated birds exhibited lower oocyst values and higher oocyst reduction rate than those in the PC. We concluded that C. verum at level 6 g cinnamon/kg diet moderately reduced coccidiosis and attempted to improved BW, feed conversion ratio, and production efficiency at 7 DPI compared with the infected groups. This study involved multiple reactions and reactants, such as Methyl nonadecanoate (cas: 1731-94-8COA of Formula: C20H40O2).

Methyl nonadecanoate (cas: 1731-94-8) belongs to esters. Esters are also usually derived from carboxylic acids. It may also be obtained by reaction of acid anhydride or acid halides with alcohols or by the reaction of salts of carboxylic acids with alkyl halides. Esterification is the general name for a chemical reaction in which two reactants (typically an alcohol and an acid) form an ester as the reaction product. Esters are common in organic chemistry and biological materials.COA of Formula: C20H40O2

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

Assessment of Cota altissima (L.) J. Gay for phytochemical composition and antioxidant, anti-inflammatory, antidiabetic and antimicrobial activities was written by Goger, Gamze;Allak, Muhammed;Sen, Ali;Goger, Fatih;Tekin, Mehmet;Ozek, Gulmira. And the article was included in Zeitschrift fuer Naturforschung in 2021.Application of 1731-94-8 The following contents are mentioned in the article:

Phytochem. profiles of essential oil (EO), fatty acids, and n-hexane (CAH), di-Et ether (CAD), Et acetate (CAE) and methanol extracts (CAM) of Cota altissima L. J. Gay (syn. Anthemis altissima L.) were investigated as well as their antioxidant, anti-inflammatory, antidiabetic and antimicrobial activites. The essential oil was characterized by the content of acetophenone (35.8%) and β-caryophyllene (10.3%) by GC-MS/FID. Linoleic and oleic acid were found as main fatty acids. The major constituents of the extracts were found to be 5-caffeoylquinic acid, 3,5-dicaffeoylquinic acid, isorhamnetin glucoside, quercetin and quercetin glucoside by LC-MS/MS. Antioxidant activities of the extracts were determined by scavenging of DPPH and ABTS free radicals. Also, the inhibitory effects on lipoxygenase and α-glucosidase enzymes were determined Antimicrobial activity was evaluated against Gram pos., Gram neg. bacteria and yeast pathogens. CAM showed the highest antioxidant activity against DPPH and ABTS radicals with IC₅₀ values of 126.60 and 144.40 μg/mL, resp. In the anti-inflammatory activity, CAE demonstrated the highest antilipoxygenase activity with an IC₅₀ value of 105.40 μg/mL, whereas, CAD showed the best inhibition of α-glucosidase with an IC₅₀ value of 396.40 μg/mL in the antidiabetic activity. CAH was effective against Staphylococcus aureus at MIC = 312.5 μg/mL. This is the first report on antidiabetic, anti-inflammatory and antimicrobial activities of different extracts of C. altissima. This study involved multiple reactions and reactants, such as Methyl nonadecanoate (cas: 1731-94-8Application of 1731-94-8).

Methyl nonadecanoate (cas: 1731-94-8) belongs to esters. Esters perform as high-grade solvents for a broad array of plastics, plasticizers, resins, and lacquers, and are one of the largest classes of synthetic lubricants on the commercial market. Polyesters are important plastics, with monomers linked by ester moieties. Esterification is the general name for a chemical reaction in which two reactants (typically an alcohol and an acid) form an ester as the reaction product. Esters are common in organic chemistry and biological materials.Application of 1731-94-8

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

Incorporation of urea-derived ¹³C into microbial communities in four different agriculture soils was written by Wang, Juan;Thornton, Barry;Yao, Huaiying. And the article was included in Biology and Fertility of Soils in 2014.Reference of 1731-94-8 The following contents are mentioned in the article:

The objective of this study was to investigate changes in the composition of the soil microbial community brought about by urea application and differences in the incorporation of urea-derived C into the soil phospholipid fatty acid (PLFA) pool at differing soil pH. We selected four soils which ranged in pH from 3.9 to 7.8. ¹³C-labeled urea was applied at two concentrations 100 and 200 mg N kg^-1 which represents commonly used and high levels of application. Significant hydrolysis of applied urea occurred within 2 h; less than 2 % of urea-C was retained in the soil with one exception, the fluvo-aquic soil at pH 7.8 amended with 200 mg kg^-1 urea-N 3 days after urea application. According to principal component anal. (PCA), the effect of urea and incubation time on microbial community composition was far weaker than differences between the four soils due to their large differences in basic properties; the scores of PC2 were significantly correlated with pH values. The incorporation of ¹³C-urea to PLFAs increased with soil pH; this may be related to increases in the speciation of inorganic C into bicarbonate.¹³C label was primarily incorporated into 16:1ω5c, 16:0, and cy19:0 in red soil, pH 3.9; and into 16:1ω7c, 16:0, and 16:1ω5c in fluvo-aquic soil, pH 7.8. A wider range of PLFAs became labeled in the two paddy soils at pH 5.2 and 6.7. This suggests that the profile of PLFAs labeled from the application of ¹³C-urea may be affected by redox potential. This study involved multiple reactions and reactants, such as Methyl nonadecanoate (cas: 1731-94-8Reference of 1731-94-8).

Methyl nonadecanoate (cas: 1731-94-8) belongs to esters. Esters perform as high-grade solvents for a broad array of plastics, plasticizers, resins, and lacquers, and are one of the largest classes of synthetic lubricants on the commercial market. Polyesters are important plastics, with monomers linked by ester moieties. Because of their lack of hydrogen-bond-donating ability, esters do not self-associate. Consequently, esters are more volatile than carboxylic acids of similar molecular weight.Reference of 1731-94-8

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

Effect of Antioxidants Extracted from Clove Wastes and Babul Tree Barks on the Oxidation Stability of Biodiesel made from Water Hyacinth of Lake Victoria Origin was written by Waweru, Emmanuel J.;Pogrebnaya, Tatiana;Kivevele, Thomas T.. And the article was included in Waste and Biomass Valorization in 2020.Application of 1731-94-8 The following contents are mentioned in the article:

Biodiesel from water hyacinth has shown to have poor oxidative stability due to the presence of significant amounts of unsaturated fatty acids. Most studies have been using synthetic antioxidants to improve oxidation stability of biodiesel but they are expensive and proved to be toxic at higher concentrations This study assessed the possibility of using natural antioxidants extracted from clove wastes and babul tree barks since they are cheap, easy to extract and locally available and blends of these with synthetic antioxidant such as 1,2,3-trihydroxybenzene (Pyrogallol, PY) in improving the oxidation stability of biodiesel. Non-edible water hyacinth collected from Lake Victoria Tanzania was used as feedstock for biodiesel production The biodiesel was analyzed for physicochem. properties and fatty acid composition Most of the physicochem. properties were within the acceptable limits for ASTM D6751 and EN 14214 except for oxidation stability which recorded 2.4 h and was below limits. Fatty acid anal. showed the presence of unsaturated fatty acids at 42% which contributed to the poor oxidation stability of the biodiesel. Clove waste and babul barks displayed significant total phenolic contents of 220.0 ± 0.1 and 48.0 ± 0.2 mg GAE/g, resp. Clove antioxidant displayed an improvement of 153% in oxidation stability at 1000 ppm while babul improved by 236% at 800 ppm. Blends of clove with PY displayed much higher improvements in oxidation stability by 398% at 800 ppm while babul with pyrogallol showed a general decrease in performance by 46%. This study involved multiple reactions and reactants, such as Methyl nonadecanoate (cas: 1731-94-8Application of 1731-94-8).

Methyl nonadecanoate (cas: 1731-94-8) belongs to esters. Esters perform as high-grade solvents for a broad array of plastics, plasticizers, resins, and lacquers, and are one of the largest classes of synthetic lubricants on the commercial market. Polyesters are important plastics, with monomers linked by ester moieties. Because of their lack of hydrogen-bond-donating ability, esters do not self-associate. Consequently, esters are more volatile than carboxylic acids of similar molecular weight.Application of 1731-94-8

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

Nitrogen content reduction on scenedesmus obliquus biomass used to produce biocrude by hydrothermal liquefaction was written by Miranda, Alejandra M.;Ocampo, David;Vargas, Gabriel J.;Rios, Luis A.;Saez, Alex A.. And the article was included in Fuel in 2021.Quality Control of Methyl nonadecanoate The following contents are mentioned in the article:

The use of Microalgae biomass for biofuel production by hydrothermal liquefaction (HTL) has been proposed as an alternative to traditional fossil fuels. When comparing fossil fuels, Microalgae biocrude has a high nitrogen content, which is one of the challenges that affect this technol. This factor causes operational issues because it lowers the carbon fraction in the chem. composition, which reduces the calorific value and, as a result, raises NOx emissions during combustion. In this work, conditions were established for obtaining Microalgae biomass to allow the production of biocrude with low nitrogen content by HTL. The effect of the variation in nitrogen levels on the culture medium, on cell growth and nitrogen content, was evaluated in the final biomass for the Scenedesmus obliquus strain; at a laboratory scale, the best results (around 0.25 g/L NaNO3) were used at a bench scale with 20 L tubular photobioreactors (PBRs). The remaining biomass was processed through HTL then the resulting biocrude was characterized. The results show that as the nitrogen source in the culture medium increases, the percentage of nitrogen in the remaining biomass and the biocrude produced also increases. It was possible to establish a concentration of nitrogen source in the culture medium that promotes the accumulation of lipids, decreases the protein content in the final biomass and consequently, in the biocrude, without affecting production and yield, a critical factor to take into consideration when assessing the viability of the proposed process. This study involved multiple reactions and reactants, such as Methyl nonadecanoate (cas: 1731-94-8Quality Control of Methyl nonadecanoate).

Methyl nonadecanoate (cas: 1731-94-8) belongs to esters. Esters are widespread in nature and are widely used in industry. In nature, fats are in general triesters derived from glycerol and fatty acids. Esters are responsible for the aroma of many fruits. Cyclic esters are called lactones, regardless of whether they are derived from an organic or inorganic acid. One example of an organic lactone is γ-valerolactone.Quality Control of Methyl nonadecanoate

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