Month: November 2022

Identification and quantification of oligomeric proanthocyanidins, alkaloids, and flavonoids in lotus seeds: A potentially rich source of bioactive compounds was written by Yu, YueTong;Wei, Xiaolu;Liu, Yan;Dong, Gangqiang;Hao, ChenYang;Zhang, Jing;Jiang, JinZhu;Cheng, JinTang;Liu, An;Chen, Sha. And the article was included in Food Chemistry in 2022.Application In Synthesis of (2R,2’R,3R,3’R,4R)-2,2′-Bis(3,4-dihydroxyphenyl)-[4,8′-bichromane]-3,3′,5,5′,7,7′-hexaol The following contents are mentioned in the article:

Untargeted metabolomics was performed to study the profiles of 101 chems. in lotus seeds using ultrahigh-performance liquid chromatog.-photodiode array detection-high-resolution tandem mass spectrometry. Among them, 16 dimeric, 18 trimeric, and 4 tetrameric proanthocyanidins were theor. identified based on the d.p., and the number of linkages and the presence of two dihydroflavonols and three glycosylated alkaloids were determined for the first time. The proanthocyanidin, flavonoid, amino acid, and total compound contents were quantified, revealing decreases in their levels during maturation as well as a polymerization process formation of polymers from monomers during seed maturation. Interestingly, glycosylated alkaloids were only detected in seed cotyledons being highest at green-brown stage, whereas proanthocyanidins were present at a concentration of 8,226.19 ± 249.96μg/g (dry weight) in green-brown stage of seed coats. Our findings may provide insights into the utilization of lotus seeds as a functional food. This study involved multiple reactions and reactants, such as (2R,2’R,3R,3’R,4R)-2,2′-Bis(3,4-dihydroxyphenyl)-[4,8′-bichromane]-3,3′,5,5′,7,7′-hexaol (cas: 29106-49-8Application In Synthesis of (2R,2’R,3R,3’R,4R)-2,2′-Bis(3,4-dihydroxyphenyl)-[4,8′-bichromane]-3,3′,5,5′,7,7′-hexaol).

(2R,2’R,3R,3’R,4R)-2,2′-Bis(3,4-dihydroxyphenyl)-[4,8′-bichromane]-3,3′,5,5′,7,7′-hexaol (cas: 29106-49-8) belongs to alcohols. Because alcohols are easily synthesized and easily transformed into other compounds, they serve as important intermediates in organic synthesis. Grignard and organolithium reagents are powerful tools for organic synthesis, and the most common products of their reactions are alcohols.Application In Synthesis of (2R,2’R,3R,3’R,4R)-2,2′-Bis(3,4-dihydroxyphenyl)-[4,8′-bichromane]-3,3′,5,5′,7,7′-hexaol

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

CO₂ + 3,7-dimethyl-1-octanol + 1-decanol: High pressure experimental phase equilibria data and thermodynamic modelling was written by van Niekerk Fourie, Frederick Christiaan;Schwarz, Cara Elsbeth;Knoetze, Johannes Hendrik. And the article was included in Journal of Supercritical Fluids in 2018.Quality Control of 3,7-Dimethyloctan-1-ol The following contents are mentioned in the article:

New VLE data are presented for CO₂ + 3,7-dimethyl-1-octanol (37DM1O) + 1-decanol (C₁₀OH) at 35, 55 and 75°C and pressures between 68 and 237 bar. Phase compositions were analyzed using a static analytic app with dual sampling and online chromatog. The mixture displays virtually no enhanced solubility, liq curves remain convex throughout, and coexisting detached two-phase regions were not detected. CO₂ can fractionate all measured 37DM1O:C₁₀OH ratios though with limited efficacy, as highlighted by relative solubilities ranging from 1.1 to 1.5. RK-ASPEN, SR-POLAR, PR-BM and PC-SAFT correlations failed at 35°C, the optimum fractionation temperature At 55 and 75°C, RK-ASPEN and SR-POLAR produced the smallest percentage av abs deviations in equil pressure of 4.0%, and RK-ASPEN was marginally superior at correlating vapor and liq phase curves. At 35°C and 187.5 bar, the 25:75 37DM1O:C₁₀OH mixt passed through a d inversion and interesting images thereof are presented. This study involved multiple reactions and reactants, such as 3,7-Dimethyloctan-1-ol (cas: 106-21-8Quality Control of 3,7-Dimethyloctan-1-ol).

3,7-Dimethyloctan-1-ol (cas: 106-21-8) belongs to alcohols. Alkyl halides are often synthesized from alcohols, in effect substituting a halogen atom for the hydroxyl group. A multistep synthesis may use Grignard-like reactions to form an alcohol with the desired carbon structure, followed by reactions to convert the hydroxyl group of the alcohol to the desired functionality.Quality Control of 3,7-Dimethyloctan-1-ol

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Phytochemical Analysis and Biological Evaluation of Hypericum linarioides Bosse: in Vitro and in Silico Studies was written by Altay, Ahmet;Yeniceri, Esma Kuebra Kagan;Taslimi, Parham;Taskin-Tok, Tugba;Yilmaz, Mustafa Abdullah;Koksal, Ekrem. And the article was included in ChemistrySelect in 2022.HPLC of Formula: 27208-80-6 The following contents are mentioned in the article:

The aim of this study is to determine the phenolic composition of Hypericum linarioides Bosse, to assess its various biol. properties, and finally to confirm the exptl. data of enzyme inhibitions via docking studies. LC-MS/MS anal. performed over methanol extract (ME) revealed the presence of 27 phytochems. Antioxidant activity results indicated that ME had the strongest DPPH radical scavenging and ferric ion reducing capacity than water and hexane extracts XTT assays revealed the strongest anti-proliferative activity of ME against MCF-7 and HT-29 cancer cells. Flow cytometry results also confirmed the notable apoptotic effect of ME on MCF-7 cells through mitochondria-dependent pathway. Enzyme activity results exhibited the most promising acetylcholinesterase and α-glycosidase inhibitory activities of the ME. Mol. docking calculations of α-glycosidase with the major compounds (1, 15, 17 and 19) indicated that 17 (isoquercitrin) had the best docking binding energy (-10.92 kcal/mol) with appropriate binding interactions. This study involved multiple reactions and reactants, such as (2S,3R,4S,5S,6R)-2-(3-Hydroxy-5-((E)-4-hydroxystyryl)phenoxy)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol (cas: 27208-80-6HPLC of Formula: 27208-80-6).

(2S,3R,4S,5S,6R)-2-(3-Hydroxy-5-((E)-4-hydroxystyryl)phenoxy)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol (cas: 27208-80-6) belongs to alcohols. Alcohols are among the most common organic compounds. They are used as sweeteners and in making perfumes, are valuable intermediates in the synthesis of other compounds, and are among the most abundantly produced organic chemicals in industry. Converting an alcohol to an alkene requires removal of the hydroxyl group and a hydrogen atom on the neighbouring carbon atom. Dehydrations are most commonly carried out by warming the alcohol in the presence of a strong dehydrating acid, such as concentrated sulfuric acid.HPLC of Formula: 27208-80-6

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Phenolic compositions and antioxidant activities of Hippophae tibetana and H. rhamnoides ssp. sinensis berries produced in Qinghai-Tibet Plateau was written by Wei, Juan;Li, Sha;Su, Tingting;Zhao, Jinmei;Jiang, Yumei;Zubarev, Yury A.;Bi, Yang. And the article was included in Food Chemistry: X in 2022.Synthetic Route of C30H26O12 The following contents are mentioned in the article:

Phenolic ingredients of Hippophae tibetana (Tib) and H. rhamnoides ssp. sinensis (Rha) berry from Qinghai-Tibet Plateau were identified by Ultra Performance Liquid Chromatog.-triple Quadrupole Tandem Mass Spectrometry. Results demonstrated that both of them possessed high levels of total phenolic and flavonoid, and compared to Tib, Rha berry exhibited higher contents. Moreover, flavonols was the most predominant subclass in Rha berry, flavonols and flavanols were the two most abundant subclasses in Tib berry. Among them, rutin and narcissin were present in the most abundant amounts in Rha berry, while (-)-epigallocatechin was the richest substance in Tib berry. Furthermore, both phenolic extracts of sea buckthorn berry exhibited strong in vitro and cellular antioxidant properties. Rha berry extract exhibited much stronger effects because of its higher levels of phenolic and flavonoid profiles. This finding proved that the Rha berry could serve as a food source for better health with great potential antioxidant activity. This study involved multiple reactions and reactants, such as (2R,2’R,3R,3’R,4R)-2,2′-Bis(3,4-dihydroxyphenyl)-[4,8′-bichromane]-3,3′,5,5′,7,7′-hexaol (cas: 29106-49-8Synthetic Route of C30H26O12).

(2R,2’R,3R,3’R,4R)-2,2′-Bis(3,4-dihydroxyphenyl)-[4,8′-bichromane]-3,3′,5,5′,7,7′-hexaol (cas: 29106-49-8) belongs to alcohols. Alcohols are among the most common organic compounds. They are used as sweeteners and in making perfumes, are valuable intermediates in the synthesis of other compounds, and are among the most abundantly produced organic chemicals in industry. Tertiary alcohols cannot be oxidized at all without breaking carbon-carbon bonds, whereas primary alcohols can be oxidized to aldehydes or further oxidized to carboxylic acids.Synthetic Route of C30H26O12

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Chemical modifications of porous shape memory polymers for enhanced X-ray and MRI visibility was written by Fletcher, Grace K.;Nash, Landon D.;Graul, Lance M.;Jang, Lindy K.;Herting, Scott M.;Wilcox, Matthew D.;Touchet, Tyler J.;Sweatt, Ana Katarina;McDougall, Mary P.;Wright, Steven M.;Maitland, Duncan J.. And the article was included in Molecules in 2020.Product Details of 115-84-4 The following contents are mentioned in the article:

The goal of this work was to develop a shape memory polymer (SMP) foam with visibility under both X-ray and magnetic resonance imaging (MRI) modalities. A porous polymeric material with these properties is desirable in medical device development for applications requiring thermoresponsive tissue scaffolds with clin. imaging capabilities. Dual modality visibility was achieved by chem. incorporating monomers with X-ray visible iodine-motifs and MRI visible monomers with gadolinium content. Phys. and thermomech. characterization showed the effect of increased gadopentetic acid (GPA) on shape memory behavior. Multiple compositions showed brightening effects in pilot, T1-weighted MR imaging. There was a correlation between the polymeric d. and X-ray visibility on expanded and compressed SMP foams. Addnl., extractions and indirect cytocompatibility studies were performed to address toxicity concerns of gadolinium-based contrast agents (GBCAs). This material platform has the potential to be used in a variety of medical devices. This study involved multiple reactions and reactants, such as 2-Butyl-2-ethylpropane-1,3-diol (cas: 115-84-4Product Details of 115-84-4).

2-Butyl-2-ethylpropane-1,3-diol (cas: 115-84-4) belongs to alcohols. Alkyl halides are often synthesized from alcohols, in effect substituting a halogen atom for the hydroxyl group. Grignard and organolithium reagents are powerful tools for organic synthesis, and the most common products of their reactions are alcohols.Product Details of 115-84-4

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Protein hydrolysates of porcine hemoglobin and blood: Peptide characteristics in relation to taste attributes and formation of volatile compounds was written by Fu, Yu;Bak, Kathrine H.;Liu, Jing;De Gobba, Cristian;Toestesen, Marie;Hansen, Erik T.;Petersen, Mikael A.;Ruiz-Carrascal, Jorge;Bredie, Wender L. P.;Lametsch, Rene. And the article was included in Food Research International in 2019.Safety of 3,7-Dimethyloctan-1-ol The following contents are mentioned in the article:

The objective of this study was to investigate the impact of endo- and exo-peptidase treatment on certain structural characteristics of peptides and volatile compounds of porcine Hb and whole blood hydrolyzates. Porcine Hb and whole blood were hydrolyzed by endo- and exo-peptidases. The presence of exopeptidases reduced the bitterness and altered the volatile profiles of protein hydrolyzates. Exopeptidase treatment can release terminal amino acids from peptides, which in turn may contribute to formation of volatile compounds by Maillard reactions. In contrast, endopeptidases conferred a slightly bitter taste and different volatile profiles. For Hb hydrolyzates, principal component anal. revealed that proteases were categorized into three groups based on endo- or exo-peptidase activity. Whole blood is a more complex raw material, yet the proteases were still categorized in a similar fashion. This work contributes to understanding structural characteristics responsible for taste and volatile profiles of protein hydrolyzates. This study involved multiple reactions and reactants, such as 3,7-Dimethyloctan-1-ol (cas: 106-21-8Safety of 3,7-Dimethyloctan-1-ol).

3,7-Dimethyloctan-1-ol (cas: 106-21-8) belongs to alcohols. Similar to water, an alcohol can be pictured as having an sp3 hybridized tetrahedral oxygen atom with nonbonding pairs of electrons occupying two of the four sp3 hybrid orbitals. Alcohols may be oxidized to give ketones, aldehydes, and carboxylic acids. These functional groups are useful for further reactions. Oxidation of organic compounds generally increases the number of bonds from carbon to oxygen (or another electronegative element, such as a halogen), and it may decrease the number of bonds to hydrogen.Safety of 3,7-Dimethyloctan-1-ol

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Thermodynamic Characterization of Mixed Monolayers of a Novel Oxazolidine Derivative and Phospholipids was written by Rocha, Felipe de Sa;da Silva, Rafael Ramos;Codeceira, Gustavo Henrique Ribeiro;de Lima, Maria do Carmo Alves;Pitta, Ivan da Rocha;de Oliveira, Maria Danielly Lima;de Andrade, Cesar Augusto Souza. And the article was included in Journal of Membrane Biology in 2018.SDS of cas: 923-61-5 The following contents are mentioned in the article:

Oxazolidine derivatives (OxD) are five ring-membered compounds that contain at least one oxygen and nitrogen in their mol. structure. OxD are known due to several therapeutic activities such as anticancer and antibiotic properties. In this paper, we performed a thermodn. anal. of the mixed films composed by dipalmitoylphosphatidylglycerol (DPPG), dipalmitoylphosphoethanolamine (DPPE), dipalmitoyl phosphatidylcholine (DPPC) or L-α phosphatidylcholine (PC) with a novel oxazolidine derivate (OxD). Relevant thermodn. parameters such as excess areas (ΔAE), excess free energies (ΔG), and Gibbs free energy of mixing (AG^mix) were derived from the surface pressure data. The topog. anal. was performed using at. force microscopy. Based on the calculated values of the thermodn. parameters, we observed that the miscibility of the mixed films was directly dependent on their composition DPPG/OxD and DPPE/OxD systems present the best-mixed character at low pressures at OxD molar fraction equivalent to 0.25. This study involved multiple reactions and reactants, such as (2R)-3-(((2-Aminoethoxy)(hydroxy)phosphoryl)oxy)propane-1,2-diyl dipalmitate (cas: 923-61-5SDS of cas: 923-61-5).

(2R)-3-(((2-Aminoethoxy)(hydroxy)phosphoryl)oxy)propane-1,2-diyl dipalmitate (cas: 923-61-5) belongs to alcohols. Similar to water, an alcohol can be pictured as having an sp3 hybridized tetrahedral oxygen atom with nonbonding pairs of electrons occupying two of the four sp3 hybrid orbitals. Converting an alcohol to an alkene requires removal of the hydroxyl group and a hydrogen atom on the neighbouring carbon atom. Dehydrations are most commonly carried out by warming the alcohol in the presence of a strong dehydrating acid, such as concentrated sulfuric acid.SDS of cas: 923-61-5

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

LC-MS/MS characterization, antidiabetic, antioxidative, and antibacterial effects of different solvent extracts of Anamur banana (Musa Cavendishii) was written by Geduk, Aysun Sener;Zengin, Fatma. And the article was included in Food Science and Biotechnology in 2021.Product Details of 27208-80-6 The following contents are mentioned in the article:

The main objective of this study was to examine the phenolic compounds and the antibacterial, antioxidant, anti-α-glucosidase and anti-α-amylase activities of the different extracts (methanol, ethanol and hexane) of Musa cavendishii collected from the Anamur district in Turkey. LC-MS/MS was used to identify phenolic compounds Quinic acid, acotinic acid, hesperidin and amentoflavone were identified in methanol extract These phenolic compounds, excluding hesperidin, were also identified in the ethanol extract Methanolic extract appeared the most active in all enzyme inhibition, antibacterial and antioxidative activity assays which is mainly due to its rich phenolic content. The methanol extract of banana showed the highest anti-α-glucosidase and anti-α-amylase activities with IC50 values of 5.45 ± 0.39 mg/mL, 9.70 ± 0.29 mg/mL, resp. This study showed that methanol and ethanol extract, especially the methanol extract, have potential for use in the development of functional foods for reducing the diabetes and bacterial risks. This study involved multiple reactions and reactants, such as (2S,3R,4S,5S,6R)-2-(3-Hydroxy-5-((E)-4-hydroxystyryl)phenoxy)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol (cas: 27208-80-6Product Details of 27208-80-6).

(2S,3R,4S,5S,6R)-2-(3-Hydroxy-5-((E)-4-hydroxystyryl)phenoxy)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol (cas: 27208-80-6) belongs to alcohols. Alkyl halides are often synthesized from alcohols, in effect substituting a halogen atom for the hydroxyl group. Grignard and organolithium reagents are powerful tools for organic synthesis, and the most common products of their reactions are alcohols.Product Details of 27208-80-6

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Identification of important odorants derived from phosphatidylethanolamine species in steamed male Eriocheir sinensis hepatopancreas in model systems was written by Wu, Na;Wang, Xi-Chang. And the article was included in Food Chemistry in 2019.Synthetic Route of C37H74NO8P The following contents are mentioned in the article:

Flavor is critical to the com. acceptance of the highly valued Chinese mitten crab (Eriocheir sinensis). This study investigated the important odorants (IOs) in male E. sinensis hepatopancreas formed from phosphatidylethanolamine (PE) in model systems. A total of fifteen IOs were detected by gas chromatog.-mass spectrometry-olfactometry (GC-MS-O). Among the IOs that were also detected as oxidation products of PE extract were hexanal, heptanal, nonanal, 2-pentylfuran and 2-octanone, and the optimized oxidation conditions of PE extract were 175 °C for 60 min. For further anal., nine PE species were considered important precursors of IOs in E. sinensis. Odorants derived from PE (16:0/18:2), PE (18:0/18:2), PE (18:0/20:4), PE (16:0/22:6), and PE (18:0p/22:6) specie standards were detected, and their oxidative stabilities are discussed. These findings are important for understanding the comprehensive formation mechanism of IOs in E. sinensis, which may provide theor. guidance for improving the overall flavor of aquatic products. This study involved multiple reactions and reactants, such as (2R)-3-(((2-Aminoethoxy)(hydroxy)phosphoryl)oxy)propane-1,2-diyl dipalmitate (cas: 923-61-5Synthetic Route of C37H74NO8P).

(2R)-3-(((2-Aminoethoxy)(hydroxy)phosphoryl)oxy)propane-1,2-diyl dipalmitate (cas: 923-61-5) belongs to alcohols. Alcohols are weak acids. The most acidic simple alcohols (methanol and ethanol) are about as acidic as water, and most other alcohols are somewhat less acidic. Converting an alcohol to an alkene requires removal of the hydroxyl group and a hydrogen atom on the neighbouring carbon atom. Dehydrations are most commonly carried out by warming the alcohol in the presence of a strong dehydrating acid, such as concentrated sulfuric acid.Synthetic Route of C37H74NO8P

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Evaluation of bitter compounds in Zanthoxylum schinifolium Sieb. et Zucc. by instrumental and sensory analyses was written by Yang, Qingqing;Wang, Zhirong;Chen, Xuhui;Guo, Zehang;Wen, Leyan;Kan, Jianquan. And the article was included in Food Chemistry in 2022.Category: alcohols-buliding-blocks The following contents are mentioned in the article:

As a common food seasoning in China, Zanthoxylum schinifolium Sieb. et Zucc. is desired by consumers for its special aroma; however, its bitter taste has a neg. economic impact on the food industry. In this study, untargeted metabolomics was used to perform full-coverage detection of metabolites in Z. schinifolium Sieb. et Zucc. A total of 53 potential bitter metabolites were screened. Addnl., key bitter compounds were concentrated using sensory-guided fractionation technique and subsequently characterized by UPLC-Q-TOF-MS, and a total of 13 bitter compounds were obtained. Then, dose over threshold values (DOT) of these 13 compounds were calculated, showing that 11 compounds significantly contribute to the bitterness of Z. schinifolium Sieb. et Zucc., with quercetin, isorhamnetin and kaempferol have particularly low thresholds and high contents. This study is the first to comprehensively define the bitter substances in Z. schinifolium Sieb. et Zucc., providing a reliable theor. basis for future research on bitterness mechanisms. This study involved multiple reactions and reactants, such as (2R,2’R,3R,3’R,4R)-2,2′-Bis(3,4-dihydroxyphenyl)-[4,8′-bichromane]-3,3′,5,5′,7,7′-hexaol (cas: 29106-49-8Category: alcohols-buliding-blocks).

(2R,2’R,3R,3’R,4R)-2,2′-Bis(3,4-dihydroxyphenyl)-[4,8′-bichromane]-3,3′,5,5′,7,7′-hexaol (cas: 29106-49-8) belongs to alcohols. Under appropriate conditions, inorganic acids also react with alcohols to form esters. To form these esters, a wide variety of specialized reagents and conditions can be used. Secondary alcohols are easily oxidized without breaking carbon-carbon bonds only as far as the ketone stage. No further oxidation is seen except under very stringent conditions.Category: alcohols-buliding-blocks

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts