Coumaric acid
... o-Coumaric acid m-Coumaric acid p-Coumaric acid This set index article lists chemical compounds articles associated with the ... Coumaric acid is a phenolic derivative of cinnamic acid having a hydroxy group as substituent at one of the aromatic positions ...
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, ... 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). ...
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). ...
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). ...
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. (A less-toxic variation omits the phenol and chloral hydrate.) In angiosperms and ...
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, ...
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 ...
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) ... Tsai JH, Takaoka LR, Powell NA, Nowick JS (2002). "Synthesis of Amino Acid Ester Isocyanates: Methyl (S)-2-Isocyanato-3- ...
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 ...
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 ...
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: ...
4-Hydroxycinnamate decarboxylase
... is an enzyme that uses p-coumaric acid to produce 4-ethylphenol. p-Coumaric acid is the ... also be induced in bacteria species such as Klebsiella oxytoca and works also with p-coumaric acid analogs such as caffeic acid ... ferulic acid and E-2,4-dihydroxycinnamic acid. Brettanomyces Monitoring by Analysis of 4-ethylphenol and 4-ethylguaiacol ... Wine chemistry v t e (Webarchive template wayback links, All stub articles, Enzyme stubs, Hydroxycinnamic acids metabolism, EC ...
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 ...
Curcumin
Plant biosynthesis starting with cinnamic acid is rare compared to the more common p-coumaric acid. Only a few identified ... Both use cinnamic acid as their starting point, which is derived from the amino acid phenylalanine. ... It reacts with boric acid to form a red-colored compound, rosocyanine. The biosynthetic route of curcumin is uncertain. In 1973 ... The first mechanism involves a chain extension reaction by cinnamic acid and 5 malonyl-CoA molecules that eventually arylize ...
Gingerol
It is converted into Cinnamic acid (2) via phenylalanine ammonia lyase (PAL). Then it is turned into p-Coumaric acid (3) with ... is the enzyme that is responsible for the bonding of shikimic acid and p-Coumaroyl-CoA. The complexed (5) is then selectively ...
Cis-p-Coumarate glucosyltransferase
Rasmussen S, Rudolph H (1997). "Isolation, purification and characterization of UDP-glucose:cis-p-coumaric acid-beta-D- ...
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 aluminium 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 ...
Tyrosine
It transforms L-tyrosine into p-coumaric acid.Tyrosine is also the precursor to the pigment melanin. Tyrosine (or its precursor ... Proteinogenic amino acids, Glucogenic amino acids, Ketogenic amino acids, Alpha-Amino acids, Aromatic amino acids, Phenols, ... 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 ...