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María José Romero-Silva et al.
PloS one, 8(2), e56038-e56038 (2013-02-19)
In this study, the gentisate and protocatechuate pathways in Burkholderia xenovorans LB400 were analyzed by genomic and functional approaches, and their role in 3-hydroxybenzoate (3-HBA) and 4-hydroxybenzoate (4-HBA) degradation was proposed. The LB400 genome possesses two identical mhbRTDHI gene clusters
Letian X Xie et al.
The Journal of biological chemistry, 287(28), 23571-23581 (2012-05-18)
Most of the Coq proteins involved in coenzyme Q (ubiquinone or Q) biosynthesis are interdependent within a multiprotein complex in the yeast Saccharomyces cerevisiae. Lack of only one Coq polypeptide, as in Δcoq strains, results in the degradation of several
Margreet R Olthof et al.
The Journal of nutrition, 133(6), 1806-1814 (2003-05-29)
Dietary phenols are antioxidants, and their consumption might contribute to the prevention of cardiovascular disease. Coffee and tea are major dietary sources of phenols. Dietary phenols are metabolized extensively in the body. Lack of quantitative data on their metabolites hinders
M G Soni et al.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 40(10), 1335-1373 (2002-10-22)
Methyl paraben (CAS No. 99-76-3) is a methyl ester of p-hydroxybenzoic acid. It is a stable, non-volatile compound used as an antimicrobial preservative in foods, drugs and cosmetics for over 50 years. Methyl paraben is readily and completely absorbed through
A Bouabidi et al.
Drug testing and analysis, 4(12), 1014-1027 (2012-05-23)
An innovative versatile strategy using Total Error has been proposed to decide about the method's validity that controls the risk of accepting an unsuitable assay together with the ability to predict the reliability of future results. This strategy is based
Shang-Gao Liao et al.
Phytochemical analysis : PCA, 24(1), 25-35 (2012-06-21)
A flavonoid-enriched extract (FEE) of Polygonum orientale was reported to show cardioprotective effect but only very few compounds were reported to contribute to the effect. Identification of compounds interacting with the target cardiac cell is important for the understanding of
Handbook of Preservatives (2004)
Ya-Jun Guo et al.
Food & function, 3(11), 1195-1205 (2012-08-08)
Edible macro-fungi are widely consumed as food sources for their flavors and culinary features. In order to explore the potential of macro-fungi as a natural resource of bioactive compounds, the antioxidant properties and polysaccharide contents of 49 edible macro-fungi from
Mireia Urpi-Sarda et al.
Analytical and bioanalytical chemistry, 394(6), 1545-1556 (2009-04-01)
Proanthocyanidins, flavonoids exhibiting cardiovascular protection, constitute a major fraction of the flavonoid ingested in the human diet. Although they are poorly absorbed, they are metabolized by the intestinal microbiota into various phenolic acids. An analytical method, based on an optimized
Zhaojiang Wang et al.
Bioresource technology, 174, 198-203 (2014-12-03)
The specific elimination of lignin derivatives from wood hydrolysate without sugar loss has great practical significance to biorefinery and bioenergy. In the present study, a process consisting of calcium hydroxide and anion exchange resin treatments was developed for the purpose
Chun-Mei Chen et al.
Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials, 34(9), 1368-1370 (2012-01-21)
To study the chemical constituents of Phryma leptostachya. The chemical constituents were isolated and purified by silica gel column, recrystallization and Pre-RP-HPLC and their structwes were elucidated by spectroscopic methods. Five compounds were obtained and identified as ursolic acid (1)
Clive S Barker et al.
PloS one, 7(8), e44030-e44030 (2012-09-07)
The bacterial type III export apparatus is found in the flagellum and in the needle complex of some pathogenic Gram-negative bacteria. In the needle complex its function is to secrete effector proteins for infection into Eukaryotic cells. In the bacterial
Zhihao Zhuang et al.
Biochemistry, 51(3), 786-794 (2012-01-03)
The 4-hydroxybenzoyl-CoA (4-HB-CoA) thioesterase from Pseudomonas sp. strain CBS3 catalyzes the final step of the 4-chlorobenzoate degradation pathway, which is the hydrolysis of 4-HB-CoA to coenzyme A (CoA) and 4-hydroxybenzoate (4-HB). In previous work, X-ray structural analysis of the substrate-bound
Hassiba Aoudia et al.
Journal of agricultural and food chemistry, 60(47), 11675-11680 (2012-11-10)
In the present study, evaluated was the paralysis activity of whole Italian and Algerian Melia azedarach, commonly known as chinaberry, fruits and parts (seeds, wood, and kernels) against Meloidogyne incognita second stage juveniles (J(2)). The paralysis activity was evaluated in
Jens O Krömer et al.
Journal of biotechnology, 163(2), 184-193 (2012-05-15)
Aromatics are amongst the most important bulk feedstocks for the chemical industry, however, no viable bioprocess exists today and production is still dependent on petro-chemistry. In this article the production of aromatic precursors such as p-hydroxybenzoic acid (PHBA) and p-amino
Mingqi Xie et al.
Nucleic acids research, 42(14), e116-e116 (2014-07-18)
Synthetic biology has significantly advanced the design of mammalian trigger-inducible transgene-control devices that are able to programme complex cellular behaviour. Fruit-based benzoate derivatives licensed as food additives, such as flavours (e.g. vanillate) and preservatives (e.g. benzoate), are a particularly attractive
Philipp Zeyhle et al.
PloS one, 9(6), e99122-e99122 (2014-06-04)
Recently, novel prenylated derivatives of 1,6-dihydroxyphenazine have been isolated from the marine sponge-associated Streptomyces sp. SpC080624SC-11. Genome sequencing of this strain now revealed a gene cluster containing all genes necessary for the synthesis of the phenazine and the isoprenoid moieties.
Radin Sadre et al.
The Biochemical journal, 442(3), 621-629 (2011-12-15)
PQ-9 (plastoquinone-9) has a central role in energy transformation processes in cyanobacteria by mediating electron transfer in both the photosynthetic as well as the respiratory electron transport chain. The present study provides evidence that the PQ-9 biosynthetic pathway in cyanobacteria
Chongming Liu et al.
Journal of mass spectrometry : JMS, 49(8), 692-699 (2014-07-22)
On contrary to the widely accepted conviction that the m/z 93 ion derived from phenol does not react with CO2, we demonstrate that it makes an adduct with CO2 to a small but demonstrable extent. For example, the product-ion mass
Hiroyuki Yamashita et al.
Pharmaceutical research, 31(8), 1946-1957 (2014-02-14)
The advent of cocrystals has demonstrated a growing need for efficient and comprehensive coformer screening in search of better development forms, including salt forms. Here, we investigated a coformer screening system for salts and cocrystals based on binary phase diagrams
Hongxin Jiang et al.
Journal of food science, 76(6), C846-C852 (2012-03-16)
The color of wheat kernels often impacts the color and thereby the value of wheat-based foods. A line of hard white winter wheat (B-W HW) with bright appearing kernels has been developed at the Kansas State Agricultural Research Center. The
Miriam Cristina Díaz-García et al.
Journal of the science of food and agriculture, 95(6), 1283-1293 (2014-07-22)
Anthocyanins and other polyphenols from flowers and bracts of Thymus sp. are studied. An anthocyanin-rich food colourant with interesting high antioxidant activity from Thymus moroderi has been obtained, and applied to colour foods. Anthocyanins and other polyphenols from T. moroderi
Laurent Y Rios et al.
The American journal of clinical nutrition, 77(4), 912-918 (2003-03-29)
Proanthocyanidins, the most abundant polyphenols in chocolate, are not depolymerized in the stomach and reach the small intestine intact, where they are hardly absorbed because of their high molecular weight. In vitro and in vivo studies using pure compounds as
C N Banti et al.
Metallomics : integrated biometal science, 4(6), 545-560 (2012-05-04)
A new mixed ligand-silver(I) complex of formula [Ag(tpp)(2)(p-Hbza)] (1) (p-HbzaH = 4-hydroxybenzoic acid and tpp = triphenylphosphine) has been synthesized and characterized by elemental analysis, mp, vibrational spectroscopy (mid- and far-FT-IR), (1)H-NMR, UV-vis, ESI-MS spectroscopic techniques and X-ray crystallography. Complex
Miriam Martínez-Huélamo et al.
Food chemistry, 173, 864-872 (2014-12-04)
Tomato sauce is the most commonly consumed processed tomato product worldwide, but very little is known about how the manufacturing process may affect the phenolic composition and bioavailability after consumption. In a prospective randomised, cross-over intervention study, we analysed the
Eric W Crick et al.
European journal of pharmaceutical sciences : official journal of the European Federation for Pharmaceutical Sciences, 57, 25-33 (2014-01-28)
The goal of this study was to use a status epilepticus steady-state chemical model in rats using the convulsant, 3-mercaptopropionic acid (3-MPA), and to compare the changes in striatal neurotransmission on a slow (5min) and fast (60s) timescale. In vivo
Jun Ouyang et al.
The Analyst, 139(13), 3416-3422 (2014-05-20)
Hydroxyl radicals (˙OH) play an important role in human diseases. Traditional detection methods are time consuming and require expensive instruments. Here, we present a simple and sensitive method for the detection of hydroxyl radicals on a microfluidic chip using an
Mireia Urpi-Sarda et al.
Journal of agricultural and food chemistry, 58(8), 4706-4711 (2010-03-13)
Health effects of cocoa flavonols depend on their bioavailability, which is strongly influenced by the food matrix and the degree of flavanol polymerization. The effect of milk on the bioavailability of cocoa flavanoids considering phase II metabolites of epicatechin has
Meral Turabik et al.
Environmental science and pollution research international, 21(14), 8387-8397 (2014-03-29)
The oxidative degradation of imidacloprid (ICP) has been carried out by electrochemical advanced oxidation processes (EAOPs), anodic oxidation, and electro-Fenton, in which hydroxyl radicals are generated electrocatalytically. Carbon-felt cathode and platinum or boron-doped diamond (BDD) anodes were used in electrolysis
Jian-Shuang Jiang et al.
Journal of Asian natural products research, 15(5), 427-432 (2013-04-23)
Two new glycoside compounds, named saffloquinoside C (1) and (-)-4-hydroxybenzoic acid-4-O-[6'-O-(2″-methylbutyryl)-β-D-glucopyranoside] (2), were isolated from the florets of Carthamus tinctorius. Their structures were elucidated by detailed spectroscopic means including UV, IR, HR-ESI-MS, 1D and 2D NMR, and CD data. Compound
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