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Chemical compound
Protocatechuic acid (PCA) is a dihydroxybenzoic acid, a type of phenolic acid. It's name derives from catechu. It is a major metabolite of antioxidant
Protocatechuic_acid
Topics referred to by the same term
complementation assay, to identify protein–protein interactions Protocatechuic acid, a phenolic acid Procainamide EU–Armenia Partnership and Cooperation Agreement
PCA
Palm tree with many uses, mainly fruit as cash crop
procyanidin oligomers and vanillic acid, syringic acid, p-hydroxybenzoic acid, protocatechuic acid, and ferulic acid, which were shown to degrade substantially
Açaí_palm
Index of chemical compounds with the same name
6-Dihydroxybenzoic acid (γ-Resorcylic acid) 3,4-Dihydroxybenzoic acid (Protocatechuic acid) 3,5-Dihydroxybenzoic acid (α-Resorcylic acid) Orsellinic acid is also
Dihydroxybenzoic_acid
Plant secondary metabolite
protocatechuic acid (PCA) and phloroglucinol carboxylic acid (PGCA). It is also degraded by Bradyrhizobium japonicum. Phloroglucinol carboxylic acid is
Catechin
Oil used in foods and cosmetics
the pulp itself, such as vanillic acid, syringic acid, p-hydroxybenzoic acid, protocatechuic acid and ferulic acid as well as (+)-catechin and numerous
Açaí_oil
Chemical compound
Comamonas thiooxydans strain E6, terephthalic acid is biodegraded to protocatechuic acid, a common natural product, via a reaction pathway initiated by terephthalate
Terephthalic_acid
Chemical compound
4-hydroxybenzoate, NADH, NADPH, H+ and O2 to produce 3,4-dihydroxybenzoate (protocatechuic acid), NAD+, NADP+ and H2O. This enzyme participates in benzoate degradation
4-Hydroxybenzoic_acid
Class of enzymes
reaction vanillic acid + NADH + H+ O2 H2O protocatechuic acid + NAD+ + H2C=O The four substrates of this enzyme are vanillic acid, reduced nicotinamide
Vanillate_monooxygenase
Chemical compound
alcoholic solution. Danshensu as a racemic form has been made from protocatechuic aldehyde. Danshensu is sensitive to air or alkaline conditions. It oxidises
Danshensu
Loss of colour by a pigment when illuminated
imaging parameters and signal-to-noise). For example, a combination of Protocatechuic acid (PCA) and protocatechuate 3,4-dioxygenase (PCD) is often used as
Photobleaching
Class of enzymes
4-Hydroxybenzoic acid + NADH + H+ O2 H2O Protocatechuic acid + NAD+ The four substrates of this enzyme are 4-hydroxybenzoic acid, reduced nicotinamide
4-hydroxybenzoate 3-monooxygenase (NAD(P)H)
4-hydroxybenzoate_3-monooxygenase_(NAD(P)H)
Species of legume
certain phenolic compounds, including p-hydroxycinnamic acid, protocatechuic acid, and gallic acid, have been identified in the leaves of the species. Bioherbicidal
Leucaena_leucocephala
Type of cosmetic
provide skin improvements, such as retinol, vitamin C, melatonin and protocatechuic acid. In recent years, manufacturers have increasingly utilized plant-based
Moisturizer
Flowering vine known as Japanese honeysuckle
caffeate, 3,4-di-O-caffeoylquinic acid, methyl 3,4-di-O-caffeoylquinic acid, protocatechuic acid, methyl chlorogenic acid, and luteolin. The two biflavonoids
Lonicera_japonica
Index of chemical compounds with the same molecular formula
5-Dihydroxybenzoic acid (gentisic acid) 2,6-Dihydroxybenzoic acid (γ-resorcylic acid) 3,4-Dihydroxybenzoic acid (protocatechuic acid) 3,5-Dihydroxybenzoic acid (α-resorcylic
C7H6O4
Species of flowering plant
their derivatives. The flowers are rich in anthocyanins, as well as protocatechuic acid. The dried calyces contain the flavonoids gossypetin, hibiscetine
Roselle_(plant)
Chemical compound
aeruginosa uses protocatechuic acid and oxygen to produce 3-carboxy-cis,cis-muconate. protocatechuic acid O2 3-carboxy-cis,cis-muconic acid The enzyme
3-Carboxy-cis,cis-muconic acid
3-Carboxy-cis,cis-muconic_acid
Class of enzymes
4-sulfobenzoic acid + NADH O2 + H+ protocatechuic acid + NAD+ + H2SO3 The four substrates of this enzyme are 4-sulfobenzoic acid, reduced nicotinamide
4-sulfobenzoate 3,4-dioxygenase
4-sulfobenzoate_3,4-dioxygenase
Type of enzyme
non-oxidative decarboxylation of p-hydroxybenzoic acid, gentisic acid, protocatechuic acid and gallic acid by Klebsiella aerogenes (Aerobacter aerogenes)"
Protocatechuate_decarboxylase
Class of enzymes
reaction protocatechuic acid O2 4-carboxy-2-hydroxy-cis,cis-muconate 6-semialdehyde The two substrates of this enzyme are protocatechuic acid and
Protocatechuate 4,5-dioxygenase
Protocatechuate_4,5-dioxygenase
chemical reaction protocatechuic acid O2 3-carboxy-cis,cis-muconic acid The two substrates of this enzyme are protocatechuic acid and oxygen. Its
Protocatechuate 3,4-dioxygenase
Protocatechuate_3,4-dioxygenase
Wine chemistry
(catechin-(4α→8)-catechin-(4α→8)-catechin) procyanidin T2 (trimer) Protocatechuic acid protocatechuic aldehyde Quercetin Quercetol glucoside Quercetol glucuronide
Phenolic_content_in_wine
Class of enzymes
3-Hydroxybenzoic acid + NADPH + H+ O2 H2O Protocatechuic acid + NADP+ The foursubstrates of this enzyme are 3-hydroxybenzoic acid, reduced nicotinamide
3-hydroxybenzoate 4-monooxygenase
3-hydroxybenzoate_4-monooxygenase
Protein-coding gene in the species Homo sapiens
homeostasis and reduces steatosis in mouse models. The phenolic compound protocatechuic acid (PCA) has been shown to activate SIRT3, highlighting the SIRT3–ACSF3
ACSF3
Species of flowering plant
bark of this plant is used in traditional medicines. Gallic and protocatechuic acids were isolated as the main antibacterial and antioxidant principles
Boswellia_dalzielii
Enzyme
4-dihydroxycyclohexa-1,5-diene-1,4-dicarboxylic acid + NAD+ CO2 + H+ CO2 + H+ protocatechuic acid + NADH The two substrates of this enzyme are
(3S,4R)-3,4-dihydroxycyclohexa-1,5-diene-1,4-dicarboxylate dehydrogenase
(3S,4R)-3,4-dihydroxycyclohexa-1,5-diene-1,4-dicarboxylate_dehydrogenase
Group of chemical compounds
Phenolic acids such as protocatechuic, p-hydroxybenzoic, 2,3-dihydroxybenzoic, chlorogenic, vanillic, caffeic, p-coumaric and salicylic acid, cinnamic acid and
Naturally_occurring_phenols
Species of flowering plant
range of hydroxybenzoic acids: gallic acid and its ethyl ester, gentisic acid, anthranilic acid, protocatechuic acid, and ellagic acid (alizarine yellow).
Alchornea_cordifolia
Natural plant compounds
4-Hydroxybenzoic acid, 3,4-dihydroxybenzoic acid (protocatechuic acid), 3-methoxy-4-hydroxy-hippuric acid and 3-methoxy-4-hydroxybenzoic acid (vanillic acid) are
Phenolic_content_in_tea
Species of flowering plant
weeds. Isolated compounds related to this inhibition are gallic and protocatechuic acids. This species is found in association with endophytic fungi. "Myrcia
Myrcia_guianensis
Genus of bacteria
quinoline, various pyridine derivatives, catechol, benzoate, and protocatechuic acid. Rhodococci are also capable of accumulating heavy metal ions, such
Rhodococcus
Edible species of fungus native to Eurasia and North America
include protocatechuic acid, gallic acid, gentisic acid, vanillic acid, syringic acid, cinnamic acid, caffeic acid, ferulic acid, and tannic acid. In a
Gomphus_clavatus
non-oxidative decarboxylation of p-hydroxybenzoic acid, gentisic acid, protocatechuic acid and gallic acid by Klebsiella aerogenes (Aerobacter aerogenes)"
Gentisate_decarboxylase
Chemical compound
through a condensation reaction with glyoxylic acid followed by cleaving the resulting α-hydroxy acid with an oxidizing agent. Synthesis from catechol
Piperonal
Bacterium, genetic engineering tool
Catechol Ferulic acid Gallic acid p-Hydroxybenzoic acid Protocatechuic acid Pyrogallic acid Resorcylic acid Sinapinic acid Syringic acid Vanillin To transfer
Agrobacterium_tumefaciens
Chemical compound
Ravishankar GA (January 2000). "Biotransformation of protocatechuic aldehyde and caffeic acid to vanillin and capsaicin in freely suspended and immobilized
3,4-Dihydroxybenzaldehyde
C7H6O2 benzoic acid 65–85–0 4-hydroxybenzaldehyde 123–08–0 C7H6O3 salicylic acid 69–72–7 4-hydroxybenzoic acid 99–96–7 C7H6O4 protocatechuic acid 99–50–3 2
Glossary_of_chemical_formulae
Chemical compound
seed testa. It is also present in wine. It is the ethylic ester of protocatechuic acid. The compound is a prolyl 4-hydroxylase inhibitor and can be used
Ethyl_protocatechuate
Class of enzymes
reaction is part of a pathway that breaks down the antioxidant, protocatechuic acid, and other aromatic compounds. This enzyme is a hydrolase, specifically
3-oxoadipate_enol-lactonase
Species of flowering plant
contain triterpenoids and saponins. The plant provides the antioxidant protocatechuic acid. Achyranthes japonica is an introduced species in the United States
Achyranthes_japonica
Class of enzymes
non-oxidative decarboxylation of p-hydroxybenzoic acid, gentisic acid, protocatechuic acid and gallic acid by Klebsiella aerogenes (Aerobacter aerogenes)"
4-hydroxybenzoate decarboxylase
4-hydroxybenzoate_decarboxylase
Species of plant
zamiifolia. The petioles contain rosmarinic acid, protocatechuic aldehyde, (E)-caffeic acid and (E)- and (Z)-caffeic acid methyl ester. The rare natural products
Zamioculcas
Species of alga
Phenolic acids such as protocatechuic, p-hydroxybenzoic, 2,3-dihydroxybenzoic, chlorogenic, vanillic, caffeic, p-coumaric and salicylic acid, cinnamic acid and
Spongiochloris_spongiosa
104465 C8H8O3 4-Hydroxyphenylacetic acid, others 152.047344 C9H12O2 4-Ethylguaiacol 152.083729 C7H6O4 Protocatechuic acid, others 154.026608 C8H10O3 Hydroxytyrosol
List of natural phenols and polyphenols molecular formulas
List_of_natural_phenols_and_polyphenols_molecular_formulas
Type of enzyme
non-oxidative decarboxylation of p-hydroxybenzoic acid, gentisic acid, protocatechuic acid and gallic acid by Klebsiella aerogenes (Aerobacter aerogenes)"
Gallate_decarboxylase
Species of coral fungus in the family Gomphaceae
highest concentration of phenolic acids (356.7 mg per kg of fresh fruit body), made up largely of protocatechuic acid; it also had the highest antioxidant
Ramaria_botrytis
Species of tree
The inner bark contains well-known potent antioxidants including protocatechuic acid, epicatechin and procyanidins A, B and C. Essential oil analysis
Kielmeyera_coriacea
PMID 20293543. M.G.M. Pryor; P.B. Russell & A.R. Todd (1946). "Protocatechuic acid, the substance responsible for the hardening of the cockroach ootheca"
M.G.M._Pryor
Class of enzymes
Database. Gross SR, Gafford RD, Tatum EL (1956). "The metabolism of protocatechuic acid by Neurospora". J. Biol. Chem. 219 (2): 781–96. doi:10.1016/S0021-9258(18)65737-0
Carboxy-cis,cis-muconate cyclase
Carboxy-cis,cis-muconate_cyclase
Chemical compound
Christine Beedham (2005). "Enzymatic Oxidation of Vanillin, Isovanillin and Protocatechuic Aldehyde with Freshly Prepared Guinea Pig Liver Slices". Cell Physiol
Isovanillin
Chemical compound
2-Hydroxy-5-methoxybenzaldehyde 2-Hydroxy-4-methoxybenzaldehyde Benzaldehyde Protocatechuic aldehyde Syringaldehyde Blank, Imre; Alina Sen; Werner Grosch (1992)
Vanillin
Inflammatory disease involving a buildup of lesions in the walls of arteries
citations] Also, small molecules such as 3-hydroxybenzaldehyde and protocatechuic aldehyde have shown vasculoprotective effects to reduce risk of atherosclerosis
Atherosclerosis
catechic tannins, and specific phenolic acids such as gallic, caffeic, protocatechuic, chlorogenic, and p-coumaric acids. Saponins have also been detected qualitatively
Flora of Ezcaray, Valgañón and Zorraquín
Flora_of_Ezcaray,_Valgañón_and_Zorraquín
Species of conifer tree
rich in antioxidative polyphenols. Six phenolic acids were identified (gallic, homovanillic, protocatechuic, p-hydroxybenzoic, vanillic and p-coumaric),
Abies_alba
Species of bacterium
researchers were looking to find a bacterium that demethoxylated phenolic acids in the gut of ruminants, and this species was found to be the most prevalent
Syntrophococcus
Oil from the seeds of Kalahari melon
The phenolic acids present are gallic, protocatechuic, p-hydroxybenzoic, vanillic, caffeic, syringic (trace), p-coumaric, and ferulic acids. These key secondary
Kalahari_melon_oil
Protein-coding gene in the species Homo sapiens
Hydroxytyrosol Kepone LNS8801 Niacin Nicotinamide Nonylphenol Oleuropein Protocatechuic aldehyde Propylpyrazoletriol (PPT) Quercetin Raloxifene Resveratrol
GPER
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