Coumaric acid
... o-Coumaric acid m-Coumaric acid p-Coumaric acid This set index page lists chemical compounds articles associated with the same ... Coumaric acid is a phenolic derivative of cinnamic acid having a hydroxy group as substituent at one of the aromatic positions ...
P-Coumaric acid glucoside
... is a hydroxycinnamic acid, an organic compound found in commercial breads containing flaxseed. ... 10.1016/j.foodchem.2008.02.088 p-Coumaric acid glucoside at www.phenol-explorer.eu v t e (Articles needing additional ... Hydroxycinnamic acid esters, Hydroxycinnamic acid glycosides, Phenol glucosides, All stub articles, Aromatic compound stubs). ...
O-Coumaric acid
There are three isomers of coumaric acids - o-coumaric acid, m-coumaric acid, and p-coumaric acid - that differ by the position ... o-Coumaric acid is a hydroxycinnamic acid, an organic compound that is a hydroxy derivative of cinnamic acid. ... The Reduction of o-Coumaric Acid to Melilotic Acid". Biochemistry. 3 (12): 1944-7. doi:10.1021/bi00900a027. PMID 14269315. o- ... o-Coumaric acid can be found in vinegar. 2-Coumarate reductase is an enzyme that produces 2-coumarate from 3-(2-hydroxyphenyl) ...
P-Coumaric acid
o-coumaric acid m-coumaric acid Coumarin Coumaroyl-Coenzyme A Ferulic acid Cinnamic acid Phenolic content in wine p- ... p-Coumaric acid from pollen is a constituent of honey. p-Coumaric acid glucoside can also be found in commercial breads ... Of the myriad occurrences, p-coumaric acid can be found in Gnetum cleistostachyum. p-Coumaric acid can be found in a wide ... Diesters of p-coumaric acid can be found in carnauba wax. It is biosynthesized from cinnamic acid by the action of the P450- ...
M-Coumaric acid
There are three isomers of coumaric acid - o-coumaric acid, m-coumaric acid, and p-coumaric acid - that differ by the position ... m-Coumaric acid can be found in vinegar. m-Coumaric acid at www.phenol-explorer.eu v t e (ECHA InfoCard ID from Wikidata, Pages ... m-Coumaric acid is a hydroxycinnamic acid, an organic compound that is a hydroxy derivative of cinnamic acid. ... Hydroxycinnamic acids, All stub articles, Aromatic compound stubs). ...
Pollen
Honey produced by bees from natural sources contains pollen derived p-coumaric acid, an antioxidant and natural bactericide ... Lou, Zaixiang; Wang, Hongxin; Rao, Shengqi; Sun, Juntao; Ma, Chaoyang; Li, Jing (2012). "p-Coumaric acid kills bacteria through ... This differential stain consists of ethanol, malachite green, distilled water, glycerol, phenol, chloral hydrate, acid fuchsin ... orange G, and glacial acetic acid. In angiosperms and gymnosperms non-aborted pollen grain will appear red or pink, and aborted ...
Rhododendrol
This pathway involves reduction of the aliphatic double bond present in p-coumaric acid. The mechanism of action of ... In addition, Rhododendrol can be synthesised from p-coumaric acid. ...
Coutaric acid
... is a hydroxycinnamoyltartaric acid found in wine, pomace and grape. It is an ester formed from coumaric acid and ... Hydroxycinnamic acid esters, Vinylogous carboxylic acids, All stub articles, Aromatic compound stubs). ... Singleton, V. L.; Zaya, J.; Trousdale, E. K. (1986). "Caftaric and coutaric acids in fruit of Vitis". Phytochemistry. 25 (9): ... "Isolation of hydroxycinnamoyltartaric acids from grape pomace by high-speed counter-current chromatography". Journal of ...
Diferulic acids
... diferulic acid, and for a while this was thought to be the only one. Sinapic acid Coumaric acid Bunzel M, Ralph J, Steinhart H ... Just as ferulic acid is not the proper IUPAC name, the diferulic acids also tend to have trivial names that are more commonly ... Ferulic acid can also form trimers and tetramers, known as triferulic and tetraferulic acids respectively. They have been found ... Diferulic acids are more effective inhibitors of lipid peroxidation and better scavengers of free radicals than ferulic acid on ...
4-Vinylphenol
Coumaric acid is sometimes added to microbiological media, enabling the positive identification of Brettanomyces by smell. 4- ... The enzyme cinnamate decarboxylase converts p-coumaric acid to 4-vinylphenol. 4-Vinylphenol is further reduced to 4-ethylphenol ...
Toxol
doi:10.1016/s0040-4039(01)84960-1. Jakupovic, J.; Warning, U.; Bohlmann, F.; King, R. M. (1987). "New coumaric acid derivatives ...
4-Ethylphenol
Coumaric acid is sometimes added to microbiological media, enabling the positive identification of Brettanomyces by smell. 4- ... 4-EP is biosynthesized in two steps from p-coumaric acid. Decarboxylation gives 4-vinylphenol as catalyzed by the enzyme ...
Tyrosine ammonia-lyase
It transforms L-tyrosine into p-coumaric acid. → T A L {\displaystyle {\xrightarrow {TAL}}} + Ammonia + H+ L-tyrosine = trans-p ... a member of the aromatic amino acid lyase family". Chemistry & Biology. 13 (12): 1317-26. doi:10.1016/j.chembiol.2006.10.008. ... Hydroxycinnamic acids metabolism, All stub articles, Enzyme stubs). ...
Tyrosine
It transforms L-tyrosine into p-coumaric acid. Tyrosine is also the precursor to the pigment melanin. Tyrosine (or its ... Proteinogenic amino acids, Glucogenic amino acids, Ketogenic amino acids, Aromatic amino acids, Phenols, Dopamine agonists, ... which in turn can be oxidized by the citric acid cycle or be used for fatty acid synthesis. Phloretic acid is also a urinary ... It is a non-essential amino acid with a polar side group. The word "tyrosine" is from the Greek tyrós, meaning cheese, as it ...
Helicteres isora
Active phytoconstituents include gallic acid, caffeic acid, vanillin, and p-coumaric acid. Cucurbitacin b and isocucurbitacin b ... 1999) isolated rosmarinic acid and their derivatives; isoscutellarein and their derivatives; D-glucopyranosyl isorinic acid ... with rosmarinic acid; helisterculins A and B; and helisorin. The fruits and roots of H. isora are used in traditional medicine ...
2-Coumarate reductase
The reduction of o-coumaric acid to melilotic acid". Biochemistry. 3 (12): 1944-7. doi:10.1021/bi00900a027. PMID 14269315. ... Hydroxycinnamic acids metabolism, All stub articles, EC 1.3 stubs). ...
Lycium barbarum
... linoleic acid, and myristic acid. Other compounds include β-sitosterol, scopoletin, and p-coumaric acid. The alkaloid atropine ... vanillic acid, salicylic acid, and nicotinic acid. From the flowers, diosgenin, β-sitosterol, and lanosterol have been isolated ... The compounds present in the roots have been less studied, but they include betaine, choline, linoleic acid, and β-sitosterol [ ... Other detected compounds include flavonoids derived from myricetin, quercetin, and kaempferol; hexadecanoic acid, ...
Malvidin-3-O-(6-p-coumaroyl)glucoside
There are two forms with the cis and trans isomers of p-coumaric acid. It is a cation. Phenolic content in wine Calvo, D.; ...
Phloretic acid
... is produced by reduction of the unsaturated side chain of p-coumaric acid. Together with phloroglucinol, it is ... Liquid-crystalline hyperbranched and potentially biodegradable polyesters based on phloretic acid and gallic acid". ... Phloretic acid is an organic compound with the formula HOC6H4(CH2)2CO2H. It is a white solid. The compound contains both phenol ... It is sometimes called Desaminotyrosine (DAT) because it is identical to the common alpha amino acid tyrosine except for the ...
Eugenol
L-tyrosine is converted to p-coumaric acid by the enzyme tyrosine ammonia lyase (TAL). From here, p-coumaric acid is converted ... S-Adenosyl methionine (SAM) is then used to methylate caffeic acid, forming ferulic acid, which is in turn converted to ... The biosynthesis of eugenol begins with the amino acid tyrosine. ... to caffeic acid by p-coumarate 3-hydroxylase using oxygen and ... "TLC Densitometric Method for the Quantification of Eugenol and Gallic Acid in Clove". Chromatographia. 60 (3-4): 241-244. doi: ...
Coumaroyl-CoA
Coumaroyl-coenzyme A is the thioester of coenzyme-A and coumaric acid. Coumaroyl-coenzyme A is a central intermediate in the ... Hydroxycinnamic acid esters, Vinylogous carboxylic acids, All stub articles, Aromatic compound stubs). ...
Triphosgene
Phosgene Diphosgene Ouimet MA, Stebbins ND, Uhrich KE (August 2013). "Biodegradable coumaric acid-based poly(anhydride-ester) ... Triphosgene is used in the preparation of carbonyl chlorides, the activation of carboxylic acids, and the addition of carbonyl ... Tsai JH, Takaoka LR, Powell NA, Nowick JS (2002). "Synthesis of Amino Acid Ester Isocyanates: Methyl (S)-2-Isocyanato-3- ...
Coniferous resin salve
Natural resin is a complex composition of components such as resin acids, lignans and coumaric acid. The levels of these ... The antimicrobial effect is based on resin acid that breaks down the cell wall and the cell membrane and because of that the ... Persons allergic to resin acids should not use these types of product since it may cause them to develop a topical skin rash. ...
May Berenbaum
Important phytochemicals include p-coumaric acid, quercetin, abscisic acid, anabasine, caffeine, gallic acid, kaempferol, and ...
Photoactive yellow protein
p-Coumaric acid is a cofactor of Photoactive yellow protein,photoactive yellow proteins. Adducts of p-coumaric acid bound to ... thus stabilizing the trans-cis isomerization of p-coumaric acid. During the transition state it is believed that the p-coumaric ... Scientists noted by observing the crystal structure of p-coumaric acid bound by PYP that the hydroxyl group connected to the C4 ... These interactions are apart from the thiol ester linkage to Cys 69 keeping p-coumaric acid in the ligand binding site. Upon ...
Wine chemistry
Other compounds produced by Brettanomyces that cause wine faults include 4-ethylguaiacol and isovaleric acid. Coumaric acid is ... Brettanomyces converts p-coumaric acid to 4-vinylphenol via the enzyme cinnamate decarboxylase. 4-Vinylphenol is further ... being the product of the most common volatile organic acid - acetic acid, and the ethyl alcohol generated during the ... Ascorbic acid is used during wine making Sulfur dioxide (SO2), a preservative often added to wine Gum arabic has been used in ...
1-Triacontanol
Srivastava, N.; Khatoon, S.; Rawat, A. K. S.; Rai, V.; Mehrotra, S. (2009). "Chromatographic Estimation of p-Coumaric Acid and ... One method includes an organic compound succinic anhydride and a carboxylic acid docosanoic acid that have been used to attach ... It produces triacontanoic acid which can be reduced with lithium aluminum hydride (LAH) to produce 1-triacontanol. Another ... M.M.A. Khan; R. Khan; M. Singh; S. Nasir; M. Naeem; M.H. Siddiqui; F. Mohammad (2007). "Gibberellic acid and triacontanol can ...
Daidzein
Cinnamic acid is then hydroxylated by membrane protein cinnamate-4-hydroxylase (C4H) to form p-coumaric acid. P-coumaric acid ... cleaving the amino group from L-Phe forming the unsaturated carboxylic acid, cinnamic acid. ... Bauters, L.; Stojilković, B.; Gheysen, G. (2021). "Pathogens pulling the strings: Effectors manipulating salicylic acid and ...
Cis-p-Coumarate glucosyltransferase
Rasmussen S, Rudolph H (1997). "Isolation, purification and characterization of UDP-glucose:cis-p-coumaric acid-beta-D- ...
Umbellic acid
... followed by hydroxylation by cinnamate 4-hydroxylase to yield 4-coumaric acid. The 4-coumaric acid is again hydroxylated by ... Umbellic acid (2,4-dihydroxycinnamic acid) is a hydroxycinnamic acid. It is an isomer of caffeic acid. It is a precursor in the ... works also with p-coumaric acid analogs such as E-2,4-dihydroxycinnamic acid. Hashidoko, Y; Tanaka, T; Tahara, S (2001). " ... 4-dihydroxy-cinnamic acid followed by a bond rotation of the unsaturated bond adjacent to the carboxylic acid group. Finally an ...
Hydroxycinnamate 4-beta-glucosyltransferase
... p-coumaric acid), whereas its two products are UDP and 4-O-beta-D-glucosyl-4-hydroxycinnamate. This enzyme belongs to the ... Portal: Biology v t e (EC 2.4.1, Enzymes of unknown structure, Hydroxycinnamic acids metabolism, All stub articles, EC 2.4 ...
Adenostoma fasciculatum
Various chemicals like p-coumaric acid, ferulic acid, syringic acid, vanillic acid, p-hydroxybenzoic acid and arbutin have been ...
Angelicin
4-Coumaric acid 2-hydroxylase (C2'H) hydroxylates the p-coumaric acid at the ortho position. Notably, this reaction uses alpha- ... The product, p-coumaric acid, is then converted to umbelliferone, the important intermediate of biosynthesis pathway. ... Subsequent acid-catalysed fragmentation of vaginol with dichloromethane in trifluoroacetic acid yields angelicin. The compound ... Enzymes such as ammonialyases, methylases and hydroxylases then transform these amino acids to cinnamic acid derivatives which ...
Navy bean
Furthermore, navy beans are the richest source of ferulic acid and p-coumaric acid among the common bean varieties. Dried and ... Luthria, Devanand L.; Pastor-Corrales, Marcial A. (2006). "Phenolic acids content of fifteen dry edible bean (Phaseolus ...
Kalahari melon oil
The phenolic acids present are gallic, protocatechuic, p-hydroxybenzoic, vanillic, caffeic, syringic (trace), p-coumaric, and ... The high linoleic acid content of Kalahari melon seed oil also gives it a lightweight, non-greasy texture. The Kalahari melon ... Fatty acids present in Kalahari melon oil Phytosterols are present in the oil, including β-sitosterol (485.49 mg/100 g), ... Applying the oil to the face can help treat acne vulgaris, due to the high linoleic acid content, which restores the inflamed ...
Psoralen
... such as ring opening by alkali to give a coumarinic acid or coumaric acid derivative. Potassium permanganate causes oxidation ... Cimino GD, Gamper HB, Isaacs ST, Hearst JE (1985). "Psoralens as Photoactive Probes of Nucleic Acid Structure and Function: ... Psoralens can reversibly crosslink nucleic acids double helices, and therefore have been used extensively for the analysis of ... of the furan ring, while other methods of oxidation produce furan-2,3-carboxylic acid. Psoralen is difficult to synthesize ...
Vinylphenol reductase
... a yeast responsible of the presence of ethyl phenols in wine formed from p-coumaric acid. Wine chemistry Yeast in winemaking ...
Flax
... p-coumaric acid glucoside, and ferulic acid glucoside-are present in commercial breads containing flax seed. After crushing the ... omega-3 fatty acids (mostly ALA), 18% omega-9 fatty acids (oleic acid), and 6% omega-6 fatty acids (linoleic acid); the seeds ... Linseed oil is an edible oil in demand as a dietary supplement, as a source of α-Linolenic acid, an omega-3 fatty acid. In ... Flax seed oil contains 53% 18:3 omega-3 fatty acids (mostly ALA) and 13% 18:2 omega-6 fatty acids. A meta-analysis showed that ...
Ipomoea purpurea
These anthocyanins were all based on cyanidin 3-sophoroside-5-glucoside, acylated with caffeic acid and/or p-coumaric acid. ... acylated with caffeic acid and/or glucosylcaffeic acid. Commercial morning glory seeds are commonly treated with toxic ...
Hablitzia
Caffeic acid, p-Coumaric acid and Ferulic acid in Hablitzia leaves (p. 413). They also report that the whole plant contains 1 ... alpha-linolenic acid (an Omega-3 fatty acid), protein, sucrose and all other mineral and trace elements, except for manganese. ... Its levels of several common limiting factors - oxalic acid, nitrate, cadmium and lead - were also found to be within ...
Phenolic content in wine
... malvidin-3-O-glucoside Compound NJ2 Coniferyl aldehyde Coumaric acid Coutaric acid Cyanidin Cyanin (Cyanidin-3,5-O-diglucoside ... caffeate Ethyl gallate Ethyl protocatechuate 4-Ethylguaiacol 4-Ethylphenol Fertaric acid Ferulic acid Gallic acid Gentisic acid ... In wine they are present also in the free form (trans-caffeic, trans-p-coumaric, and trans-ferulic acids). V. vinifera also ... O-glucoside-pyruvic acid Delphinidin-3-O-acetylglucoside-pyruvic acid Delphinidin-3-O-coumaroylglucoside-pyruvic acid ...
Jens Nielsen
... fatty acid ethyl esters, short-chain fatty acids, alkanes, fatty alcohols, santalene, farnesene, coumaric acid, ornithine, and ... "Establishment of a yeast platform strain for production of p-coumaric acid through metabolic engineering of aromatic amino acid ... "Production of fatty acid-derived oleochemicals and biofuels by synthetic yeast cell factories". Nature Communications. 7: 11709 ... "Harnessing Yeast Peroxisomes for Biosynthesis of Fatty-Acid-Derived Biofuels and Chemicals with Relieved Side-Pathway ...
Eleutherococcus senticosus
Berries from E. senticosus contain diverse polyphenols, including caffeic acid, vanillic acid, ferulic acid, p-coumaric acid, ... E. senticosus is broadly tolerant of soils, growing in sandy, loamy, and heavy clay soils with acid, neutral, or alkaline ... and benzoic acid, with significant content of calcium, magnesium, and potassium. Major constituents of essential oil from ...
Phenylpropanoids metabolism
... p-coumaric acid). 4-Coumarate-CoA ligase is the enzyme that transforms 4-coumarate (p-coumaric acid) into 4-coumaroyl-CoA. ... is an enzyme that transforms L-phenylalanine and tyrosine into trans-cinnamic acid and p-coumaric acid, respectively. Trans- ... cinnamic acid) into 2-hydroxycinnamate Caffeate O-methyltransferase, an enzyme that transforms caffeic acid into ferulic acid ... the enzyme that transforms p-coumaric acid into 4-O-beta-D-glucosyl-4-hydroxycinnamate Shikimate O-hydroxycinnamoyltransferase ...
Abies alba
Six phenolic acids were identified (gallic, homovanillic, protocatechuic, p-hydroxybenzoic, vanillic and p-coumaric), three ...
Prunus
... p-coumaric acid, caffeic acid, and ferulic acid. Similar to the plum, peaches and nectarines also have higher TAC in the skin ... High levels of ROS lead to oxidative stress, which causes damage to lipids, proteins, and nucleic acids. The oxidative damage ... They also contain moderate levels of carotenoids and ascorbic acid. Peaches and nectarines are orange and yellow in color, ... Some of these natural antioxidants include ascorbic acid, tocopherol, and epigallocatechin gallate; they can be found in ...
Pittosporum tobira
The next most common phenolic acids were ferulic acid (20.07 mg/g), p-coumaric acid (12.85 mg/g), cinnamic acid (5.14 mg/g), ... An HPLC analysis revealed the presence of five phenolic acids with caffeic acid being the most numerous (38.57 mg/g). ... The total phenolic content was 102.7 mg gallic acid equivalents per gram (GAE/g) while the total flavonoid content was 31.62 mg ... and gallic acid (1.03 mg/g). Nineteen components were found to makeup 89.5% of the total essential oil content with oxygenated ...
C15H18O8
... a terpenic trilactone present in Ginkgo biloba p-Coumaric acid glucoside a hydroxycinnamic acid found in commercial breads ...