• The cinnamic acid derivatives are sinapic acid, coumaric acid, ferulic acid and caffeic acid and the hydroxybenzoic acids are protocatechuic acid, gallic acid, vanillic acid and syringic acid with a C6-C1 configuration. (actascientific.com)
  • Recombinant A. terreus FaeD (AtFaeD) showed broad specificity towards synthetic methyl and ethyl esters, and released ferulic acid from plant biomass substrates, demonstrating its true FAE activity and interesting features as potential biocatalyst. (inrae.fr)
  • The production of ferulic acid esterase involved in the release of ferulic acid side groups from xylan was investigated in strains of Aspergillus tubingensis, Aspergillus carneus, Aspergillus niger and Rhizopus oryzae. (inrae.fr)
  • The highest activity on triticale bran as sole carbon source was observed with the A. tubingensis T8.4 strain, which produced a type A ferulic acid esterase active against methyl p-coumarate, methyl ferulate and methyl sinapate. (inrae.fr)
  • The activity of the A. tubingensis ferulic acid esterase (AtFAEA) was inhibited twofold by glucose and induced twofold in the presence of maize bran. (inrae.fr)
  • An initial accumulation of endoglucanase was followed by the production of endoxylanase, suggesting a combined action with ferulic acid esterase on maize bran. (inrae.fr)
  • Escherichia coli expressing the two genes was cultured in medium supplemented with hydroxycinnamic acids hcs including pcoumaric acid, caffeic acid, and ferulic acid, resulting in the synthesis of the. (web.app)
  • The term "chlorogenic acids" refers to a related polyphenol family of esters, including hydroxycinnamic acids ( caffeic acid , ferulic acid and p -coumaric acid ) with quinic acid . (esquinadeloscafes.com)
  • The biological activity of propolis is associated mainly with phenolic compounds such as flavonoids and derivatives of hydroxycinnamic acids. (scirp.org)
  • The quantitative evaluation was performed using liquid chromatography mass spectrophotometer method, which showed significant differences in the composition of phenolic acids and flavonoids among accessions. (actascientific.com)
  • Therefore, phenolic acids and flavonoids are two such secondary metabolites, which needs to be investigated. (actascientific.com)
  • In view of the impact of both phenolic acids and flavonoids on human health, it is pivotal to learn about their concentrations and variations in medicinal plants. (actascientific.com)
  • Sechium genetic resources have been assessed for characterization of the germplasm but characterization of phenolic acids and flavonoids among different accessions has been limited to studies of role of phenolic acids against melon fly and flavonoids detection in leaves, stem and fruits [11,12]. (actascientific.com)
  • 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)
  • 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)
  • and grape seeds contain proanthocyanidins, omega-6 fatty acids, phytosterols, and vitamin E. The content of antioxidant compounds depends on each grape variety. (galenolink.com)
  • in most research projects, phenolic acids are used together with other compounds found in grapes. (galenolink.com)
  • The health promoting benefits in Sechium edule fruits can be attributed to the presence of phytochemicals and large number of plant food derived bioactive compounds belongs to phenolic acid and flavonoid families [1]. (actascientific.com)
  • These also arise in plants in form of glycosides or esters with other compounds like sterols, glucosides or alcohols [2]. (actascientific.com)
  • This group of compounds includes amino acids and fatty acids. (lookformedical.com)
  • The total content of essential oil in V. longifolia L. flowers was 0.17 % (39 components), the following compounds dominated: benzoacetaldehyde - 8.05, squalene - 5.17, palmitic acid - 15.73, butyl phthalate - 7.18. (uran.ua)
  • The total content of essential oil in V. incana L. flowers was 0.15 % (43 components), the following compounds prevailed: squalene 20.47, fatty acids, namely palmitic - 26.88, palmitoleic - 17.15, oleic - 11.61. (uran.ua)
  • The total content of the essential oil in V. spicata L. flowers was 0.11 % (43 components), the following compounds dominated: squalene - 5.53, fatty acids: palmitic - 22.78, linoleic - 6.72, carbohydrates: heptacosan - 12.27, hexacosan - 7.45. (uran.ua)
  • Among the identified compounds terpenoids, aromatic compounds, their oxidation products, fatty acids and their esters, hydrocarbons were detected. (uran.ua)
  • Chloroform fraction of alcohol extract of leaves yielded seven compounds: gallic acid (1), beta-sitosterol (2), behenic acid (3), kaempferol (4), quercetin (5), vanillic acid (6), hexadecanoic acid (7). (stuartxchange.org)
  • Flavonol derivatives (21 in kale and 7 in broccoli) and hydroxycinnamic acid derivatives (14 in kale and 22 in broccoli) were identified in the above samples. (usda.gov)
  • Xaruntan phenolic waxaa laga helaa qaabka fudud ( monomers) sida esters acid organic, esters sonkorta, amides iyo glycosides, ama qaabab aad u adag sida dimers, trimers iyo flavonoid derivatives, ama waxay sidoo kale ku xiran yihiin borotiinno iyo polymers kale derbiga unugga ee khudradda. (wisepowder.com)
  • An efficient annulation of phenolic acetates with acrylates in the presence of rh 2 oac 4 as catalyst and formic acid as reducing agent provides high yield of coumarin derivatives via ch bond activation. (web.app)
  • Study of aerial parts isolated six triterpenoids (1-6), four megastimanes (7-4), and five hydroxycinnamic acid derivatives (11-15). (stuartxchange.org)
  • Vanillic acid was the predominant phenolic acid in most of the accessions ranging from 269.28 to 4080.82 μg/g. (actascientific.com)
  • High amounts of vanillic acid in accession SEC-11 (4080.82 ± 130.92 μg/g) and SEC-06 (1825.46 ± 24.54 μg/g), protocatechuic acid (1736.59 ± 94.90 μg/g) in SEC-09 and syringic acid (1676.97 ± 70.35 μg/g) in SEC-20 was detected respectively. (actascientific.com)
  • Caffeic acid (3,4-dihydroxy-cinnamic acid) waa unug dabiici ah iyo antioxidant awood leh. (wisepowder.com)
  • trans -cinnamic acid ( t -CA) is a phenylpropanoid with a broad spectrum of biological activities including antioxidant and antibacterial activities, and it also has high potential in food and cosmetic applications. (biomedcentral.com)
  • The main groups of CGA found in green coffee beans include caffeoylquinic acids, dicaffeoylquinic acids, feruloylquinic acids, p-coumaroylquinic acids and mixed diesters of caffeic and ferulic acids with quinic acid, each group with at least three isomers. (scielo.br)
  • Moeller B., Herrmann K. (1983) Quinic acid esters of hydroxycinnamic acids in stone and pome fruit. (phenol-explorer.eu)
  • Derived from cinnamic acids, are found often in plants as simple esters with quinic acid or glucose. (galenolink.com)
  • The Chlorogenic acid ( CGA ) is the ester of caffeic acid and (−)- quinic acid , functioning as an intermediate in lignin biosynthesis. (esquinadeloscafes.com)
  • Probiotic and antioxidant properties from protocatechuic, chlorogenic, caffeic and ferulic acids found in the leaves. (stuartxchange.org)
  • GC-MS analysis of aerial parts of Anisomeles indica and A. malabarica yielded seven fatty acids amounting to 77.778% in A. indica of total contents detected. (stuartxchange.org)
  • The Adams decarboxylation is a chemical reaction that involved the decarboxylation of coumarins which have carboxylic acid group in the third position. (wikipedia.org)
  • Phenolic acids are characterized by the presence of one carboxylic acid, and are found in the plants as conjugates, rarely in free form. (galenolink.com)
  • Identifiers organic chemistry portal the pechmann condensation is a synthesis of coumarins, starting from a phenol and a carboxylic acid or ester containing a. (web.app)
  • Caffeic acid (CA) waa polyphenol oo lagu soo saaro dheef-shiid kiimikaadka labaad ee khudaarta, oo ay ku jiraan saytuunka, digirta qaxwaha, miraha, baradhada, dabacasaha iyo propolis, waxayna ka kooban tahay hydroxycinnamic acid ugu weyn ee laga helo cuntada dadka. (wisepowder.com)
  • The name "Chloro" comes from the Greek χλωρός (light green) and -γένος (a suffix meaning "giving rise to"), pertaining to the green color produced when chlorogenic acids are oxidized . (esquinadeloscafes.com)
  • They are classified as hydroxycinnamic acids and hydroxybenzoic acids based on the carbon framework. (actascientific.com)
  • Caffeic acid (CA) is an organic composite hydroxycinnamic acid derivative classified among phenolics. (hindawi.com)
  • A cyclized derivative of L-GLUTAMIC ACID. (lookformedical.com)
  • They are found in soluble form, conjugated with sugars or organic acids. (galenolink.com)
  • Recently, we discovered that two bacterial FAEs could catalyze release of diferulic acid moieties (diFAs) from highly substituted, cross-linked corn bran arabinoxylan. (inrae.fr)
  • DAP of M. × giganteus resulted in solubilization of arabinoxylan and cross-linking hydroxycinnamic acids in a temperature-dependent manner. (biomedcentral.com)
  • Currently, the main role of Lactic Acid Bacteria (LAB) in wine is to conduct the malolactic fermentation (MLF). (frontiersin.org)
  • The main role of lactic acid bacteria (LAB) in wine has traditionally been to perform the conversion of malic acid to lactic acid. (frontiersin.org)
  • Lactic acid bacteria (LAB) may improve microbial status in the intestines and increase the metabolic activity towards polyphenolic degradation. (biomedcentral.com)
  • An increase in membrane damage, measured by monitoring the formation of thiobarbituric acid-reactive substances (TBARS) and lactic dehydrogenase (LDH) release, was observed only in sperm treated with H(2)O(2), ADP and FeSO(4). (propoleo.cl)
  • In in vitro tests, phenolic acids often show better antioxidant activity than well-known antioxidant vitamins. (galenolink.com)
  • Phenolic acids are of utmost importance recently due to their protective role against cancer and heart diseases, which may be attributed to their antioxidant activity, reported to be higher than vitamin C and E against reactive oxygen species [3]. (actascientific.com)
  • It is a secondary metabolite biosynthesized in all plant species in the form of ester conjugates. (hindawi.com)
  • They are classified as flavonoid (flavonols, flavones, flavanones, isoflavonoids, chalcones and anthocyanins) and non-flavonoid molecules (phenolic acids, stilbenoids and others). (galenolink.com)
  • Malondialdehyde (MDA) was used as indicator of lipid peroxidation and was measured by a calorimetric assay, lactobacilli were cultured on Rogosa agar plates and Enterobacteriaceae on VRBG agar plates, anthocyanins and phenolic acids were analysed by HPLC-DAD-ESI-MSn. (biomedcentral.com)
  • Mid kale, daraasad dhowaan la sameeyay 2013 ayaa muujisay in caffeic acid ay si adag u xakamayso enzymes bararka. (wisepowder.com)
  • Feruloyl esterases (FAEs) are accessory enzymes for plant biomass degradation, which catalyse hydrolysis of carboxylic ester linkages between hydroxycinnamic acids and plant cell-wall carbohydrates. (inrae.fr)
  • Phenolic acids formed by microbial degradation of the dietary polyphenols in the gut could be detected. (biomedcentral.com)
  • LAB can also liberate hydroxycinnamic acids from their tartaric esters and have the potential to break down anthocyanin glucosides, thus impacting wine color. (frontiersin.org)
  • amino acid numbers between 2 and 4) in gastrointestinal digestion have received little attention due to their low concentration and broad suppression during high resolution mass spectrometry (HRMS) analysis. (bvsalud.org)
  • A non-essential amino acid that is synthesized from GLUTAMIC ACID. (lookformedical.com)
  • Study of free amino acid composition of roots of yacon cultivars ranged from 147.9 to 341.1 mg/q00 g. (stuartxchange.org)
  • Compared with upper sections, the internode basal ring area contained lower concentrations of cell wall components such as acid detergent fiber (ADF), acid detergent lignin (ADL), and diferulates. (biomedcentral.com)
  • Ethyl caffeate is an ester of an hydroxycinnamic acid, a naturally occurring organic compound. (zhishangchem.com)
  • Compared to chamber condition, hydroxycinnamic acid esters of flavonols such as kaempferol-3-disinapoyl-triglucoside-7-diglucoside, kaempferol-3-disinpapoyl-triglucoside-7-glucoside, and kaempferol -3-disinpapoyl-diglucoside-7-glucoside were found to be higher in windowsill condition. (usda.gov)
  • Tijaabo In vitro iyo in vivo ayaa la sameeyay, taasoo caddaynaysa saamaynta nafsiyeed ee aan la soo koobi karin ee Caffeic acid (CA) iyo asalkeeda. (wisepowder.com)
  • Phenolic acids, which are produced by shikimic acid pathway, are present as free form or are conjugated with sugar residue. (actascientific.com)
  • Twenty alpha-amino acids are the subunits which are polymerized to form proteins. (lookformedical.com)
  • The density in this case acts as the capacity to resist a change: a Chemical structure change i.e. form Chlorogenic acid to Cafeic Acid. (esquinadeloscafes.com)
  • The main free amino acids in all cultivars were arginine and glutamine. (stuartxchange.org)
  • Freeze-dried yacon powder yielded total free amino acids of 1941.2 mg/100 g, glutamine 212.4 mg/100g, and arginine 994.1 mg/100 g. (stuartxchange.org)
  • Concentrated sulphuric acid is usually used as the condensing agent for simple monohydric phenols and. (web.app)