Chemicals and DrugsPhenomena and ProcessesHealth Care
PhenolsPhenolPhenolsulfonphthaleinChlorophenolsMolecular StructurePhenolphthaleinsBiodegradation, EnvironmentalCatecholsArylsulfotransferaseCresols
PhenolicCarboxylic acidsBenzeneAromatic CompoundsReagentAminesSubstancesVolatileChemistryChemical CompoundsDifferent classes of organic compoundsPathwaysAlkylCarbolic acid108952Water solubleAcidsParticulateAntisepticHydrogenVOCsCatecholPesticidesMolecular formulaAlcoholAbstractFormaldehydeAcetoneSaltsMetabolismDerivativesSodiumCharacteristicsSmoke
Phenolic11
  • In lipid science, Phenyl Ethers are phenolic compounds with ethers linked to a benzene ring structure. (wellnessadvantage.com)
  • Using a standardized machine smoking protocol, mainstream waterpipe smoke was generated and further analyzed for twelve volatile organic compounds (VOCs) and eight phenolic compounds by applying gas chromatography-mass spectrometry and reverse-phase high-performance liquid chromatography-fluorescence detection, respectively. (nih.gov)
  • EI-Sheekh MM, Ghareib MM, EL-Souod GW A (2011) IBiodegradation of Phenolic and Polycyclic Aromatic Compounds by Some Algae and Cyanobacteria. (omicsonline.org)
  • Phenolic compounds are an important class of plant secondary metabolites which play crucial physiological roles throughout the plant life cycle. (mdpi.com)
  • Phenolic compounds are secondary metabolites generally involved in plant adaptation to environmental stress conditions. (scielo.br)
  • Chlorogenic acids (CGA) and related compounds are the main components of the phenolic fraction of green coffee beans, reaching levels up to 14 % (dry matter basis). (scielo.br)
  • Despite the existence of substantial published information on the total levels of CGA in coffee, more research is needed on the composition of minor phenolic compounds and specific CGA isomers (and related substances) in green and roasted coffee beans, as well as their impact on coffee quality. (scielo.br)
  • Phenolic compounds in coffee 1 * Corresponding author: [email protected] 1 This work is dedicated to the memory of our dear friend and mentor Prof. Dr Luiz Carlos Trugo for his outstanding contribution to coffee research and for guiding us into this exciting research field. (scielo.br)
  • Total airborne phenolic compound concentrations ranged from 0.16 to 0.24 parts per million (ppm). (cdc.gov)
  • The new ultra-high performance super- critical fluid chromatography method was also applied for the qualitative and quantitative analysis of lignin-derived phenolic compounds obtained upon alkaline cupric oxide oxida- tion of a commercial humic acid. (lu.se)
  • For instance, phenolic compounds have been de- plant tissues [7, 8]. (lu.se)
Carboxylic acids1
  • See also boiling and melting point of different kinds of organic compounds , boiling and melting point of organic nitrogen compounds , pKa of phenols, alcohols and carboxylic acids and pKa of inorganic acids and bases , as well as acid and base pH indicators and Acid-base properties of aqueous solutions of salts with ions from both acids and bases . (engineeringtoolbox.com)
Benzene5
  • In organic chemistry, Phenyl Ethers are aromatic organic compounds , in the phenols class in the benzenoids superclass , containing an ether group substituted with a benzene ring. (wellnessadvantage.com)
  • Phenol is an aromatic compound derived from benzene. (cdc.gov)
  • Aromatic compounds in which the -OH group is directly attached to a benzene ring e.g. 2-methylphenol. (docbrown.info)
  • The considerable increase in strength, albeit phenols are still very weak acids, is due to the stabilisation of the 'phenoxide' anion by the negative charge being delocalised to some extent by the pi orbitals benzene (aromatic ring) - illustrated below. (docbrown.info)
  • Methoxyphenols are compounds containing a methoxy group attached to the benzene ring of a phenol moiety. (hmdb.ca)
Aromatic Compounds2
  • There are few examples of algae degrading aromatic compounds [ 5 , 6 ] examined the effects of the chlorophyte alga, Selenstrum capriconutum , on benzo pyrene. (omicsonline.org)
  • These are heterocyclic aromatic compounds containing a quianazoline moiety substituted by one or more amine groups. (hmdb.ca)
Reagent2
  • Phenol/guanidine-based QIAzol Lysis Reagent can be used to lyse all classes of tissues but is optimized for lysis of fatty tissues, such as brain and adipose tissues. (qiagen.com)
  • Phenol/guanidine-based QIAzol Lysis Reagent is suitable for all tissues and is optimized for lysis of fatty tissues, such as brain and adipose tissues. (qiagen.com)
Amines2
  • Values for the negative logarithm of the acid dissociation constant, pKa, of the conjugated acid of amines, diamines and cyclic organic nitrogen compounds, shown together with the molecular structure of the acids. (engineeringtoolbox.com)
  • organic bases (amines) neutral (esters, ketones, aldehydes, ethers, etc) Organic acids, organic bases, and neutral organic compounds can be readily separated from each other on the basis of their acid-base characteristics. (bartleby.com)
Substances2
  • The most commonly reported categories of substances were other inorganic substances (excluding chemicals in the categories of acids, bases, ammonia, and chlorine), volatile organic compounds, and mixtures involving substances from different categories that were mixed or formed from a reaction before release. (cdc.gov)
  • Humic substances are classified into three derived phenols generated by CuO oxidation are based on subcategories: humin, humic acid, and fulvic acid, based on GC-MS, HPLC with diode array detection (DAD) and CE- extractability at different pH values [3]. (lu.se)
Volatile4
  • Fires produce free volatile phenols - compounds that can attach to the grape's sugars. (npr.org)
  • Here's where it gets complicated: Some volatile phenols are naturally found in some wines, and also in oak barrels used for aging. (npr.org)
  • This is achieved either through the synthesis of compounds such as diacetyl and esters or by liberating bound aroma compounds such as glycoside-bound primary aromas and volatile thiols which are odorless in their bound form. (frontiersin.org)
  • The resin impregnated liner (referred to as an uncured resin tube) is typically refrigerated until use, as it may contain volatile and semi-volatile organic compounds (VOCs, SVOCs) and thermally sensitive chemicals. (cdc.gov)
Chemistry3
  • Both inorganic and organic compounds can be analyzed and characterized by experienced personnel in consultation with the highly recognized faculty members in the chemistry department at ETSU. (etsu.edu)
  • To test their method of detecting the phenols in grapes, Noestheden and Wesley Zandberg , UBC Okanagan assistant chemistry professor, began field trials (literally) in 2016. (npr.org)
  • Our building blocks are well-known for their use in medicinal chemistry and the synthesis of combinatorial compound libraries, and with our virtual collection, designing unique fragment libraries is also possible. (chemdiv.com)
Chemical Compounds1
  • The analytical instruments in the department enable us to analyze a wide range of chemical compounds in different matrices such as water, gasoline, agricultural crops, etc. (etsu.edu)
Different classes of organic compounds2
  • More detailed definitions and examples of molecular structures of the different classes of organic compounds are given below the figures. (engineeringtoolbox.com)
  • In the present work, the protective effect occurring due to the presence of additives belonging to different classes of organic compounds namely, Phenol (aromatic alcohol), Acetone (aliphatic ketone), 4-Aminopyridine (aromatic heterocyclic nitrogen compound) and Hydrazine hydrate (aliphatic amine) on divalent iron ions during extended gamma irradiation, has been studied. (scirp.org)
Pathways1
  • The chemical reactions and pathways involving a phenol, any compound containing one or more hydroxyl groups directly attached to an aromatic carbon ring. (mcw.edu)
Alkyl1
  • Aliphatic compounds in which the -OH group is attached directly to an alkyl group e.g. ethanol. (docbrown.info)
Carbolic acid1
  • The family, known as the phenols, does not mind being given another name, such as carbolic acid or benzenol. (ittutoria.net)
1089522
  • In response to a request from management at the C-F-and-I Steel Facility, (SIC-3313, SIC-3321), Pueblo, Colorado, an evaluation was made of occupational exposures to phenol (108952), crystalline silica, total particulate, and fiber glass particulates. (cdc.gov)
  • Worker exposures to glass fiber dust, silica (7631869) dust, phenol (108952) vapor, formaldehyde (50000) vapor, n-hexane (110543), acetone (67641) and noise were surveyed at the Pittsburgh Plate Glass Industries (SIC-3211) in Shelbyville, Indiana on August 28 and September 1, 1972. (cdc.gov)
Water soluble1
  • Cyanobacteria (blue green algae) and eukaryotic micro algae were capable of biotransforming naphthalene to more water soluble phenol, 1-naphthol [ 1 ]. (omicsonline.org)
Acids3
  • RCA KG is your partner of choice for manufacture and supply of chiral compounds and ultrapure fatty acids of highest quality. (chemindex.com)
  • See also boiling points of hydrcarbons, alcohols and acids , densities for different kinds of organic compounds and density, boiling and melting points of nitrogen and sulfur compounds. (engineeringtoolbox.com)
  • Antiallergic activity has been demonstrated by G. lucidum extracts, as well as some compounds isolated from this species, such as ganoderic acids, oleic acid, and cyclooctasulfur acid belonging to triterpenes [80]. (researchgate.net)
Particulate2
  • The author concludes that a health hazard from exposures to quartz, cristobalite, total particulate, phenol and fiberglass did not exist at the time of the survey. (cdc.gov)
  • Particulate free phenol concentrations ranged from 0.1 to 1.0mg/m3. (cdc.gov)
Antiseptic1
  • He explained: "Birch bark tar contains phenols, which are antiseptic compounds. (bbc.co.uk)
Hydrogen2
VOCs3
  • Waterpipe smoke: source of toxic and carcinogenic VOCs, phenols and heavy metals? (nih.gov)
  • Altogether, the data on VOCs, phenols and elements presented in this study clearly point to the health hazards associated with the consumption of tobacco using waterpipes. (nih.gov)
  • A variety of VOCs and SVOCs were measured in the emission cloud and included suspected carcinogens, hazardous air pollutants, suspected endocrine disrupting compounds, and other unidentified compounds. (cdc.gov)
Catechol1
  • Furthermore, we found that waterpipe mainstream smoke contains considerable amounts of catechol, hydroquinone and phenol, each of which causing some health concern at least. (nih.gov)
Pesticides1
  • The most frequently measured compounds belong to the groups Organic solvents, Polycyclic Aromatic Hydrocarbons (PAHs), PCBs, Organo-Chloro pesticides (including DDT and its derivatives), other Halogenated compounds and Detergents. (europa.eu)
Molecular formula1
Alcohol2
  • One active ingredient is the phenol, an assortment of organic compounds with an aromatic ring is linked with the alcohol group. (ittutoria.net)
  • In the present work, valence stabilization of divalent iron during gamma irradiation was studied in presence of some organic additives, belonging to some other classes of organic compounds such as Phenol (aromatic alcohol), Acetone (aliphatic ketone), 4-Aminopyridine (heterocyclic amino compound) and Hydrazine hydrate (aliphatic amino compound) to complement our previous studies. (scirp.org)
Abstract1
  • abstract = "New Schiff-base compound (E)-2-(2,5-dimethoxybenzylideneamino)phenol (1) was synthesized and characterized by elemental analyses, FT-IR and 1H-NMR spectroscopy and single crystal X-ray diffraction. (elsevierpure.com)
Formaldehyde3
  • Phenol-formaldehyde resins (PF) were the first commercially relevant impregnation resins, made by reacting phenol and formaldehyde, creating a polymer network inside of the wood upon curing. (wikipedia.org)
  • Phenol can react with formaldehyde at the ortho and para positions, generating mono, di, and trimethylolphenol as the reaction products. (wikipedia.org)
  • Formaldehyde and phenol standards were 2 and 5ppm, respectively. (cdc.gov)
Acetone1
  • Barakat, M. and Hamid, M. (2015) Valence Stabilization of Fe(II) Ions during Extended Gamma Irradiation of Their Aqueous Acidic Solutions Containing Phenol, Acetone, 4-Ethylpyridine or Hydrazine Hydrate. (scirp.org)
Salts1
Metabolism2
  • The degradation of polycyclic aromatic hydrocarbons by different algae seems to be related to the molecular structures of the compound and physiological metabolism of the algae. (omicsonline.org)
  • These compounds, abundant in marine resources, could improve lipid metabolism and reduce oxidative stress, offering a new avenue for improving the quality of life in aging populations. (news-medical.net)
Derivatives2
  • Crinine and its derivatives are also derived from a para-para' C-C phenol coupling, however, the phenol-coupled product is the enantiomer, (10b S ,4a R )-noroxomaritidine. (frontiersin.org)
  • Many are very persistent and/or degrade into secondary harmful compounds such as the DDT-derivatives DDD and DDE. (europa.eu)
Sodium1
  • There is usually no reaction with sodium hydrogencarbonate, although more strongly acidic than alcohols, phenols are still weaker than 'carbonic acid' and will not liberate carbon dioxide from carbonate or hydrogencarbonate ions. (docbrown.info)
Characteristics2
  • Being a polar molecule the phenol is soluble water.Other physical characteristics of phenol include its physical state as being a colorless liquid, as well as the high temperature at which it boils. (ittutoria.net)
  • This review focuses on the chemical characteristics, biosynthesis, and distribution of CGA and related compounds in coffee. (scielo.br)
Smoke1
  • Grapes exposed to smoke from wildfires can absorb compounds that carry over into wine and ruin the flavor. (npr.org)