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Phenols (21):
Recent article
Phenols
Abstract
The cancer preventive activities of tea (Camellia sinensis, Theaceae) have been demonstrated in animal models for cancers at different organ sites and suggested by some epidemiological studies. Many mechanisms for cancer prevention have been proposed based on studies in cell lines, w...
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PMID: 21538856
PDF is available here.
PDF is available here.
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Abstract
Cocoa, especially the water-insoluble cocoa fraction (WICF), is a rich source of polyphenols. In this study, sequential in vitro digestion of the WICF with gastrointestinal enzymes as well as its bacterial fermentation in a human colonic model system were carried out to investigate b...
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PMID: 21294250
PDF is available here.
PDF is available here.
British Journal of Health Psychology (16)Pt 2 2011
Abstract
Objectives. This study explored the interactive effects of dispositional threat orientation, type of message, and having children on reactions to a message about exposure to bisphenol A (BPA) in plastics. Design. The study used a 2 (message: Fear Arousal or Plain)×2 (parenting status: child or...
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PMID: 21489061
PDF is available here.
PDF is available here.
Abstract
Acteoside and echinacoside are the major active components of Herba Cistanches. Facilitated β-glucosidation was investigated as a means of increasing harvest of acteoside from Cistanche tubulosa. Fresh Cistanche tubulosa was treated by microwave moisture processing to inactivate enz...
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PMID: 21454161
PDF is available here.
PDF is available here.
Abstract
The p-sulfonatocalix[n]arenes are supposed to show potential application in the clinical treatment of viologen poisoning. In the present study, p-sulfonatocalix[4]arene (C4AS), the most common derivative of p-sulfonatocalix[n]arenes, is used to study the antidotic mechanism for paraquat (PQ) by pharm...
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PMID: 21410236
PDF is available here.
PDF is available here.
Abstract
Eating five servings of fruits and vegetables per day! This is what is highly recommended and heavily advertised nowadays to the general public to stay fit and healthy! Drinking green tea on a regular basis, eating chocolate from time to time, as well as savoring a couple of glasses...
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PMID: 21226137
PDF is available here.
PDF is available here.
Abstract
The rising epidemic of obesity is associated with cognitive decline and is considered as one of the major risk factors for neurodegenerative diseases. Neuroinflammation is a critical component in the progression of several neurological and neurodegenerative diseases. Increased metabo...
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PMID: 21639917
PDF is available here.
PDF is available here.
Chemosphere (82)3 2011
Abstract
The effect of nonylphenol (NP) on growth, photochemistry and biochemistry of two green microalgae, Chlorella vulgaris and Selenanstrum capricornutum, and their ability to degrade NP were compared. The 96 h EC50 of C. vulgaris and S. capricornutum were greater than 4.0 and 1.0 mg L(-1) NP, respective...
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PMID: 21035163
PDF is available here.
PDF is available here.
Chemosphere (82)3 2011
Abstract
The effects of bisphenol A (BPA) on abalone (Haliotis diversicolor supertexta) embryonic development were investigated by exposing the fertilized eggs to four different concentrations of BPA (0.05, 0.2, 2 and 10 μg mL(-1)). Toxicity endpoints including the embryo development parameters, the physiol...
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PMID: 20970156
PDF is available here.
PDF is available here.
Abstract
Salidroside (p-hydroxyphenethyl-beta-d-glucoside), which is present in all species of the genus Rhodiola, has been reported to have a broad spectrum of pharmacological properties. The present study, for the first time, focused on evaluating the effects of the purified salidroside on the proliferatio...
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PMID: 20309622
PDF is available here.
PDF is available here.
Abstract
British Journal of Nutrition (104)12 2010
Abstract
High-fat or high-fat-high-sucrose diets are known to induce non-alcoholic fatty liver disease and this is emerging as one of the most common liver diseases worldwide. Some polyphenols have been reported to decrease rat hepatic lipid accumulation, in particular those extracted from red grapes such as...
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PMID: 20673376
PDF is available here.
PDF is available here.
British Journal of Nutrition (104)11 2010
Abstract
We found a significant correlation between coffee metabolites based on AUC. Inter-individual differences were observed, but individuals with a high level of CA also showed a correspondingly high level of FA. However, no such correlation was observed between the tea catechins and coffee phenolic acid...
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PMID: 20691128
PDF is available here.
PDF is available here.
Journal of Antibiotics (63)12 2010
Abstract
Abstract
These results suggest that Oligonol activates the Ras/Raf-1/MEK1/2 signaling pathway, independent of the IL-6 signaling pathway, leading to activation of ERK1/2 proteins in primary adipocytes.
Copyright © 2010 Elsevier Inc. All rights reserved....
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PMID: 20974109
PDF is available here.
PDF is available here.
Abstract
Synthetic strategies are described to synthesize the calix[4]arene diamine 4 of partial cone (paco) conformation, which on condensation with 9-anthracene carbaldehyde forms the chemosensor 5 in paco conformation. The chemosensor 5 undergoes fluorescence enhancement in the presence of Ni(2+) ions.
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PMID: 20890542
PDF is available here.
PDF is available here.
Abstract
Four bis-phenolate complexes [Zn(II)L], [Ni(II)L], [Cu(II)L] and [Co(II)L] (where [H(2)L = 2,2'-[2,2']bipyridinyl-6-yl-bis-4,6-di-tert-butylphenol] have been synthesized. The copper(II) and nickel(II) complexes have been characterized by X-ray diffraction, showing a metal ion within a square planar...
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PMID: 20820605
PDF is available here.
PDF is available here.
Abstract
Polyphenol prevention of iron-mediated DNA damage occurs primarily through iron binding. Once bound, iron in the Fe(2+)-polyphenol complex autooxidizes to Fe(3+) in the presence of O(2). To determine the correlation between the rate of Fe(2+)-polyphenol autooxidation and polyphenol antioxidant abili...
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PMID: 20871896
PDF is available here.
PDF is available here.
Abstract
Bisphenol A (BPA), a contaminant which may be present in the coating of cans, was determined in 45 canned beverages and 21 canned food items from the Belgian market. Beverages had an average BPA concentration of 1.0 ng/ml, while canned foods had a higher average concentration of 40.3 ng/g. The amoun...
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PMID: 20835936
PDF is available here.
PDF is available here.
Free Radical Research (44)11 2010
Abstract
This study determines that cytochrome c (cyt c) catalyses the oxidation of phenol compounds (Phen) in the presence of H2O2 or linoleic acid hydroperoxide (LOOH), generating Phen-derived free radicals or other reactive metabolites. These products irreversibly inactivated the dihydrolipoamide dehydrog...
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PMID: 20815787
PDF is available here.
PDF is available here.
Abstract
Abstract
To review the evidence implying a role of inflammatory signaling pathways, specifically nuclear factor-κB and c-Jun NH2-terminal kinase, in fatty acid-induced skeletal muscle insulin resistance and to discuss the potential of dietary interventions to interfere with these processes.
Fatty acids can...
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PMID: 20842028
PDF is available here.
PDF is available here.
Abstract
Thirty-eight phenolic compounds (including 31 flavonoids) were examined for their DPPH radical-scavenging activities, and structure-activity relationships were evaluated. Specifically, the presence of an ortho-dihydroxyl structure in phenolics is largely responsible for their excellent anti-radical...
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PMID: 21213975
PDF is available here.
PDF is available here.
Marine Pollution Bulletin (60)11 2010
Abstract
The occurrence of three endocrine disrupting compounds, 4-n-nonylphenol, triclosan and bisphenol A, was investigated in different bivalves originating from the Aegean Sea (Greece). The bioconcentration potential of these compounds was studied using the Mediterranean mussel (Mytilus galloprovincialis...
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PMID: 20850845
PDF is available here.
PDF is available here.
Waste Management (30)11 2010
Abstract
In this research, a two-step process consisting of vacuum pyrolysis and vacuum centrifugal separation was employed to treat waste printed circuit boards (WPCBs). Firstly, WPCBs were pyrolysed under vacuum condition at 600 °C for 30 min in a lab-scale reactor. Then, the obtained pyrolysis residue wa...
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PMID: 20655190
PDF is available here.
PDF is available here.
Journal of Chromatography A (1217)43 2010
Abstract
A simple and fast sample preparation method for the determination of nonylphenol (NP) and octylphenol (OP) in aqueous samples by simultaneous derivatization and dispersive liquid-liquid microextraction (DLLME) was investigated using gas chromatography-mass spectrometry (GC/MS). In this method, a com...
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PMID: 20615510
PDF is available here.
PDF is available here.
Abstract
In mammalian testes, the blood-testis barrier (BTB) or Sertoli cell barrier created by specialized junctions between Sertoli cells near the basement membrane confers an immunological barrier by sequestering the events of meiotic division and postmeiotic germ cell development from the systemic circul...
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PMID: 20921394
PDF is available here.
PDF is available here.
Journal of Chromatography A (1217)42 2010
Abstract
Three laterally substituted liquid crystals were synthesized in order to investigate the effect of a lateral biforked chain on the thermal and analytical properties. The mesogenic molecules have the same core containing four aromatic rings connected by two ester and one diazo linkages, they differ b...
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PMID: 20828705
PDF is available here.
PDF is available here.
Abstract
BPA and environmental estrogen levels were assayed in potable water samples (38 tap water, 36 well water, 18 river water and 24 rain water samples) that were randomly collected from the different parts of Enugu metropolis, south-east Nigeria. The mean ± SD estrogen levels in tap, well, river and ra...
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PMID: 20936514
PDF is available here.
PDF is available here.
Abstract
To search for the chemical constituents possessing anti-inflammatory or cytotoxic activities from plants, Morus wittiorum was investigated for the first time. The stem bark of M. wittiorum was extracted with 95% EtOH. The EtOH extract was fractionationed on silica gel by eluting with petroleum ehter...
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PMID: 21246822
PDF is available here.
PDF is available here.
Abstract
This study reports on intersex in Oreochromis mossambicus, an indigenous fish species inhabiting most aquatic systems throughout South Africa (SA). Male fish were collected from three sites in the Luvuvhu River, Limpopo Province, SA: Albasini Dam (AD), Nandoni Dam (ND), and Xikundu Weir (XW). The la...
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PMID: 20701972
PDF is available here.
PDF is available here.
Abstract
Bisphenol A (BPA) is one of the estrogen mimic environmental hormones and a chemical used for the wrapping foods, toy products for children, biomedical equipment, and machines. It can exert toxic effects, such as occurring allergy-related diseases. This study demonstrates that glycoprotein isolated...
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PMID: 20553123
PDF is available here.
PDF is available here.
Abstract
Biebersteinia multifida is a common herb known in Iran. Its roots have been used locally in folk medicine of western region of Iran in the treatment of many diseases. The antioxidant activity and its inhibition of erythrocyte hemolysis were investigated.
1,1-diphenyl-2-picryl hydrazyl radical (DPPH)...
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PMID: 21222368
PDF is available here.
PDF is available here.
Pharmaceutical Biology (48)10 2010
Abstract
To investigate the in vitro antioxidant activity of methanol extracts of Ixora coccinea L. (Rubiaceae) flower, leaf and stem.
The 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging activity, total antioxidant capacity (TAC) and xanthine oxidase inhibition assay were carried out to evaluate the...
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PMID: 20738154
PDF is available here.
PDF is available here.
Pharmaceutical Biology (48)10 2010
Abstract
Bioassay-guided fractionation of the methanol extract of the stem bark of Klainedoxa gabonensis Pierre ex Engl. (Irvingiaceae) afforded 12 compounds, namely, ellagic acid (1), ellagic acid 3,3'-dimethylether (2), gallic acid (3), methyl gallate (4), lupeol (5), β-amyrin (7), erythrodiol (8), oleano...
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PMID: 20738149
PDF is available here.
PDF is available here.
Food Additives & Contaminants: Part A - Chemistry, Analysis, Control, Exposure & Risk Assessment (27)10 2010
Abstract
A reliable and sensitive method for simultaneous determination of bisphenol A (BPA) and bisphenol F (BPF) in canned food by gas chromatography-mass spectrometry (GC/MS) is described after extraction and pre-concentration by a new solid-phase microextraction (SPME) adsorbent. The potential of single-...
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PMID: 20658403
PDF is available here.
PDF is available here.
Abstract
The article is principally intended to describe the recent evolutions in the field of research concerned with the metabolic actions of thyroid hormones and those of some of their metabolites or derivatives. Mitochondria, as a result of their functions, represent the principal objecti...
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PMID: 20625286
PDF is available here.
PDF is available here.
Abstract
Two new phenolic compounds, 2,4,6-trihydroxy-5-methyl-acetophenone 2-O-beta-D-glucopyranoside (3), and benzyl alcohol 7-O-(3',4',6'-tri-O-galloyl)-beta-D-glucopyranoside (8), together with eight known phenolic compounds, were isolated from the 70% aqueous acetone extract of Eucalyptu...
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PMID: 21121264
PDF is available here.
PDF is available here.
Abstract
We investigated the effect of glabridin on dendritic cells, which play an essential role in innate and adaptive immune responses. Glabridin inhibited lipopolysaccharide-, poly (I:C)-, or zymosan-induced phenotypic maturation of dendritic cells (DCs), as proven by the decreased expression of CD40, CD...
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PMID: 20633530
PDF is available here.
PDF is available here.
Abstract
Two new phenolic compounds, 2,4,6-trihydroxy-5-methyl-acetophenone 2-O-beta-D-glucopyranoside (3), and benzyl alcohol 7-O-(3',4',6'-tri-O-galloyl)-beta-D-glucopyranoside (8), together with eight known phenolic compounds, were isolated from the 70% aqueous acetone extract of Eucalyptus gomphocephala...
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PMID: 21121264
PDF is available here.
PDF is available here.
Food and Chemical Toxicology (48)10 2010
Abstract
Antioxidant capacities of methanolic extract and fatty acid composition of three Centaurea species were investigated. The antioxidant capacity of the extracts was evaluated by different assays, including total phenolic content, phosphomolybdenum assay, free radical scavenging activity (DPPH assay),...
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PMID: 20600531
PDF is available here.
PDF is available here.
Food and Chemical Toxicology (48)10 2010
Abstract
Leaf of Salvia miltiorrhiza Bunge, the waste part during the root harvest, is rich in health-promoting phenolics and is a novel resource of natural antioxidants. The acetone and methanol extracts of leaves (AL and ML, respectively) of S. miltiorrhiza were evaluated by various in vitro antioxidant as...
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PMID: 20600528
PDF is available here.
PDF is available here.
Abstract
Of the 75 subjects who were randomized, 68 received at least 1 dose of study medication, and 59 completed the study. Upper limits of the 90% confidence intervals (CIs) for the difference in mean DeltaQTcF between tapentadol IR 100 or 150 mg and placebo were < 10 ms (non-inferiority criterion) for al...
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PMID: 20875374
PDF is available here.
PDF is available here.
Journal of Contaminant Hydrology (117)1-4 2010
Abstract
A combination of a parallel fracture model with the PHREEQC-2 geochemical model was developed to simulate sequential flow and chemical transport with reactions in fractured media where both laminar and turbulent flows occur. The integration of non-laminar flow resistances in one model produced relev...
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PMID: 20701994
PDF is available here.
PDF is available here.
Kidney International (78)10 2010
Abstract
Kidney International (78)10 2010
Abstract
Abstract
Lavendustin A and hormothamnione were reported to exhibit cytotoxic effects on tumor cell lines. In the present studies, a series of chromone-based lavendustin analogs were synthesized as a simplified hybrid of hormothamnione and lavendustin A by the reductive-amination of formyl-chromone 5 with var...
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PMID: 20630626
PDF is available here.
PDF is available here.
Abstract
The silent information regulator (SIR) genes (sirtuins) comprise a highly conserved family of proteins, with one or more sirtuins present in virtually all species from bacteria to mammals. In mammals seven sirtuin genes - SIRT1 to SIRT7 - have been identified. Emerging from research on the sirtuins...
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PMID: 21155626
PDF is available here.
PDF is available here.
Health reports / Statistics Canada, Canadian Centre for Health Information = Rapports sur la sante / Statistique Canada, Centre canadien d'information sur la sante (21)3 2010
Abstract
PbB was detected in 100% of the population, with a GM concentration of 1.34 microg/dL. Adults aged 60 to 79 and males had significantly higher GM PbB concentrations. Lower household income, being born outside Canada, living in a dwelling at least 50 years old, current or former smoking, and drinking...
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PMID: 20973429
PDF is available here.
PDF is available here.
Abstract
The aim of this study was to investigate whether environmental endocrine-disrupting chemicals, bisphenol A (BPA) and BPA-related chemicals, affect adiponectin production and secretion in 3T3-L1 adipocytes and whether BPA acts through Akt signaling.
3T3-L1 adipocytes were treated for 24 h with BPA at...
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PMID: 20467186
PDF is available here.
PDF is available here.
Abstract
We have previously shown that achiral ferrocenyl diphenol butene derivatives are strong antitumor agents against both hormone-dependent and -independent breast cancer cell lines. We report now examples of a new series of two planar chiral diphenol derivatives, namely 1,2-[1-[1,1-bis(4-hydroxyphenyl)...
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PMID: 20614088
PDF is available here.
PDF is available here.
Abstract
We focused on the effects of the lignans sesamin and sesamol on the expression of endothelial-leukocyte adhesion molecules in tumor necrosis factor-alpha (TNF-alpha)-treated human aortic endothelial cells (HAECs). When HAECs were pretreated with sesamin (10 or 100 microM), the TNF-alpha-induced expr...
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PMID: 20306475
PDF is available here.
PDF is available here.
Fitoterapia (81)6 2010
Abstract
Phytochemical investigation of Dodecadenia grandiflora leaves led to the isolation and identification of three phenolic glycosides, designated 1-[(4'-O-(E)-p-coumaroyl)-beta-D-glucopyranosyl]-oxy-2-phenol (1), 1-[(6'-O-(E)-p-coumaroyl)-beta-D-glucopyranosyl]-oxy-2-phenol (2) and 1-[O-beta-D-glucopyr...
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PMID: 20079814
PDF is available here.
PDF is available here.
Abstract
Arbuscular mycorrhizal fungi (AMF) increase the uptake of minerals from the soil, thus improving the growth of the host plant. Nitrogen (N) is a main mineral element for plant growth, as it is an essential component of numerous plant compounds affecting fruit quality. The availability of N to plants...
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PMID: 20572056
PDF is available here.
PDF is available here.
Journal of Dairy Science (93)9 2010
Abstract
These results suggest that feeding POMx top-dressed onto the grain suppresses intake of grain and digestibility of fat and protein, likely because of the high tannin content. Nevertheless, polyphenols from POMx enhanced mitogen-induced cytokine production and response to vaccination, which might ben...
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PMID: 20723701
PDF is available here.
PDF is available here.
Abstract
To investigate the effect of tea polyphenol (TP) and Hanseniaspora uvarum alone or in combination against Botrytis cinerea in grapes and to evaluate the possible mechanisms involved.
TP alone was effective in controlling grey mould in grape at all concentrations. TP at 0.5 and 1.0% in combination wi...
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PMID: 20633212
PDF is available here.
PDF is available here.
Abstract
Functional foods are closely associated with claims on foods. There are two categories of claims on foods: nutrition claims and health claims. Health claims on (functional) foods must be scientifically substantiated. In December 2006, the European Union published its Regulation 1924/2006 on nutritio...
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PMID: 20417175
PDF is available here.
PDF is available here.
Abstract
We tested the hypothesis that the differential effects of BPA and MXC on LH surge system involved changes in hypothalamic gonadotropin-releasing hormone (GnRH) and estrogen receptors (ESR), ESR1 and ESR2, mRNA expression. Pregnant sheep were given daily injections of cottonseed oil (controls), MXC,...
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PMID: 20621667
PDF is available here.
PDF is available here.
Abstract
Bisphenol A (BPA) is an important industrial chemical used in the manufacture of polycarbonate plastic products and epoxy resin-based food can liners. The presence of BPA in urine of >90% of Americans aged 6-60 suggests ubiquitous and frequent exposure. The current study used LC/MS/MS to measure ser...
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PMID: 20600215
PDF is available here.
PDF is available here.
Abstract
The aim of this work was to investigate the effect of the maturation process of the olive fruit on oil content, phenolic profile and antioxidant activity of four Tunisian cultivars (Zelmati, Chemchali, Chemlali and Chétoui).
The average oil content of the studied varieties ranged between 17.50% and...
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PMID: 20564435
PDF is available here.
PDF is available here.