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https://www.readbyqxmd.com/read/28934070/presence-of-trihalomethanes-in-ready-to-eat-vegetables-disinfected-with-chlorine
#1
Valentina Coroneo, Valentina Carraro, Barbara Marras, Alessandro Marrucci, Sara Succa, Barbara Meloni, Antonella Pinna, Alberto Angioni, Adriana Sanna, Marco Schintu
Trihalomethanes (THMs) - CHCl3, CHCl2Br, CHClBr2 and CHBr3 - are drinking water disinfection by-products (DBPs). These compounds can also be absorbed by different types of foods, including ready-to-eat (RTE) fresh vegetables. The potential absorption of THMs during washing of RTE vegetables could pose a potential risk to consumers' health. The concentration of THMs in the water used in the manufacturing process of these products shall not exceed the limit of 100 or 80 µgL(-1) according to European Union (EU) and United States legislation respectively...
September 21, 2017: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/28932845/sulphur-fertilization-influences-the-sulphur-species-composition-in-allium-sativum-sulphomics-using-hplc-icpms-ms-esi-ms-ms
#2
Andrea Raab, Marilena Ronzan, Joerg Feldmann
Garlic (A. sativum) contains a large number of small sulphur (S)-containing metabolites, which are important for its taste and smell and vary with A. sativum variety and growth conditions. This study was designed to investigate the influence of different sulphur-fertilization regimes on low molecular weight S-species by attempting the first sulphur mass balance in A. sativum roots and bulbs using HPLC-ICPMS/MS-ESI-MS/MS. Species unspecific quantification of acid soluble S-containing metabolites was achieved using HPLC-ICP-MS/MS...
September 21, 2017: Metallomics: Integrated Biometal Science
https://www.readbyqxmd.com/read/28928059/garlic-extract-increases-non-clipped-kidney-tubular-natriuresis-and-diuresis-in-the-2-kidney-1-clip-rat-model-significance-in-hypertension
#3
Khaled K Al-Qattan, Martha Thomson, Muslim Ali
BACKGROUND: Angiotensin II (AngII) is a potent modulator of vascular tone and renal clearance function. Raw garlic aqueous extract (RGAE) inhibits angiotensin I converting enzyme (ACE) dipeptidase activity and therefore AngII generation in the 2-kidney, 1-clip rat model (2K-1Cr). OBJECTIVE: This study investigated the effect of RGAE on the non-clipped kidney clearance function and blood pressure (BP) in the 2 K-1Cr. METHOD: 2K-1Cr were anesthetized, cannulated and instrumentalized and the acute effect during the first hour post-administration of a single intravenous dose of RGAE (30mg/100gb...
September 12, 2017: Pathophysiology: the Official Journal of the International Society for Pathophysiology
https://www.readbyqxmd.com/read/28920707/in-vitro-and-in-vivo-studies-of-allium-sativum-extract-against-deltamethrin-induced-oxidative-stress-in-rats-brain-and-kidney
#4
Marwa Ncir, Mongi Saoudi, Hanen Sellami, Fatma Rahmouni, Amina Lahyani, Fatma Makni Ayadi, Abdelfattah El Feki, Mohamed Salah Allagui
The present study investigated the in vitro and the in vivo antioxidant capacities of Allium sativum (garlic) extract against deltamethrin-induced oxidative damage in rat's brain and kidney. The in vitro result showed that highest extraction yield was achieved with methanol (20.08%). Among the tested extracts, the methanol extract exhibited the highest total phenolic, flavonoids contents and antioxidant activity. The in vivo results showed that deltamethrin treatment caused an increase of the acetylcholinesterase level (AChE) in brain and plasma, the brain and kidney conjugated dienes and lipid peroxidation (LPO) levels as compared to control group...
September 18, 2017: Archives of Physiology and Biochemistry
https://www.readbyqxmd.com/read/28911681/study-on-the-interaction-of-bioactive-compound-s-allyl-cysteine-from-garlic-with-serum-albumin
#5
Yue-E Sun, Wei-Dong Wang
Multispectroscopic techniques were used to investigate the interaction of S-allyl cysteine (SAC) from garlic with human serum albumin (HSA). UV-Vis absorption measurements prove the formation of the HSA-SAC complex. An analysis of fluorescence spectra revealed that in the presence of SAC, the quenching mechanism of HSA is considered static. The quenching rate constant Kq, KSV, and the binding constant KA were estimated. According to the Van't Hoff equation, the thermodynamic parameters enthalpy change (ΔH) and entropy change (ΔS) were calculated to be -1...
April 2017: Journal of Food and Drug Analysis
https://www.readbyqxmd.com/read/28911676/composition-analysis-and-antioxidant-properties-of-black-garlic-extract
#6
Xiaoming Lu, Ningyang Li, Xuguang Qiao, Zhichang Qiu, Pengli Liu
Black garlic produced from fresh garlic under controlled high temperature and humidity has strong antioxidant properties. To determine these compounds, five fractions (from F1 to F5) were separated and purified by elution with chloroform:methanol at different ratios (8:1, 6:1, 4:1, 2:1, and 0:1; v/v). The antioxidant activity of each fraction was analyzed. The results showed that F3 and F4 had higher phenolic contents and stronger 2,2-diphenyl-2-picrylhydrazyl radical scavenging activity than the others. Seven purified individual components were further separated using semipreparation high-performance liquid chromatography from these two intensely antioxidant fractions (F3 and F4), their structures were elucidated by high-performance liquid chromatography coupled to diode array detection, electrospray ionization, mass spectrometry, (1)H nuclear magnetic resonance, and (13)C nuclear magnetic resonance spectrometry...
April 2017: Journal of Food and Drug Analysis
https://www.readbyqxmd.com/read/28911544/black-garlic-a-critical-review-of-its-production-bioactivity-and-application
#7
REVIEW
Shunsuke Kimura, Yen-Chen Tung, Min-Hsiung Pan, Nan-Wei Su, Ying-Jang Lai, Kuan-Chen Cheng
Black garlic is obtained from fresh garlic (Allium sativum L.) that has been fermented for a period of time at a controlled high temperature (60-90°C) under controlled high humidity (80-90%). When compared with fresh garlic, black garlic does not release a strong offensive flavor owing to the reduced content of allicin. Enhanced bioactivity of black garlic compared with that of fresh garlic is attributed to its changes in physicochemical properties. Studies concerning the fundamental findings of black garlic, such as its production, bioactivity, and applications, have thus been conducted...
January 2017: Journal of Food and Drug Analysis
https://www.readbyqxmd.com/read/28901261/spices-with-breast-cancer-chemopreventive-and-therapeutic-potentials-a-functional-foods-based-review
#8
Aliyu Muhammad, Mohammed Auwal Ibrahim, Ochuko Lucky Erukainure, Ibrahim Malami, Auwal Adamu
Cancer is a disease that affects a significant number of both rural and urban dwellers. Among the various types of cancer, breast cancer is one of the most common diagnosed cancers among females. Its menace can be curbed with locally consumed spices due to their multiple bioactive phytochemicals. This review focuses on the breast cancer chemopreventive and therapeutic potentials of locally consumed spices. The most commonly consumed spices with breast cancer chemopreventive and chemotherapeutic phytochemical include pepper, onions, ginger, garlic, curry and thyme containing many biologically active metabolites ranging from vitamins, fatty acids esters, polyphenols/phenolics, sulfur-containing compounds and anthraquinones with proven antioxidant, anti-inflammatory, immuno-modulatory, antitumor and anticancer properties against breast cancer/carcinogenesis...
September 12, 2017: Anti-cancer Agents in Medicinal Chemistry
https://www.readbyqxmd.com/read/28900166/development-of-novel-meju-starter-culture-using-plant-extracts-with-reduced-bacillus-cereus-counts-and-enhanced-functional-properties
#9
Shruti Shukla, Juyeon Park, Jung Hyun Park, Jong Suk Lee, Myunghee Kim
We developed a novel type of Meju starter culture using single and combined extracts of Allium sativum (garlic clove), Nelumbo nucifera (lotus leaves), and Ginkgo biloba (ginkgo leaves) to improve the quality and functionality of Meju-based fermented products. Meju samples fermented with plant extracts (10 mg/ml) showed phenolic contents of 11.4-31.6 mg/g (gallic acid equivalents). Samples of extracts (garlic clove, lotus leaves, ginkgo leaves and their combination) fermented with Meju strongly inhibited tyrosinase, α-glucosidase, and elastase activities by 36...
September 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28880969/anti-inflammatory-activities-of-garlic-sprouts-a-source-of-%C3%AE-linolenic-acid-and-5-hydroxy-l-tryptophan-in-raw-264-7-cells
#10
Joanna Gdula-Argasińska, Paweł Paśko, Katarzyna Sułkowska-Ziaja, Katarzyna Kała, Bożena Muszyńska
The purpose of this study was to analyze the indolic, phenolic, and fatty acid content and antioxidant activity of garlic sprouts growing in the dark and in the daylight. The pro- or anti-inflammatory properties of the garlic sprout extract were investigated by evaluating the cyclooxygenase-2 (COX-2), prostaglandin E synthase (cPGES), glutathione S transferase (GSTM1), nuclear factor NF-κB, peroxisome proliferator-activated receptors (PPARs), and aryl hydrocarbon receptor (AhR) protein levels in the RAW 264...
2017: Acta Biochimica Polonica
https://www.readbyqxmd.com/read/28873605/an-analysis-of-the-changes-on-intermediate-products-during-the-thermal-processing-of-black-garlic
#11
Heng Yuan, Linjuan Sun, Min Chen, Jun Wang
The thermal processing of black garlic was simulated. Fresh garlic was incubated at 55°C with 80% humidity and sampled every 5 or 10days. The changes in relevant products were as follows: the fructan content was decreased by 84.79%, and the fructose content was increased by 508.11%. The contents of Maillard reaction intermediate products were first increased and then decreased. The colour of garlic gradually became dark and the pH decreased from 6.13 to 4.00. By analyzing these changes, the mechanism of black garlic formation and the changes on the Maillard reaction were revealed...
January 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/28867958/relationships-between-bioactive-compound-content-and%C3%A2-the-antiplatelet-and-antioxidant-activities-of-six-allium-vegetable-species
#12
Hebe Vanesa Beretta, Florencia Bannoud, Marina Insani, Federico Berli, Pablo Hirschegger, Claudio Rómulo Galmarini, Pablo Federico Cavagnaro
Allium sp. vegetables are widely consumed for their characteristic flavour. Additionally, their consumption may provide protection against cardiovascular disease due to their antiplatelet and antioxidant activities. Although antiplatelet and antioxidant activities in Allium sp. are generally recognised, comparative studies of antiplatelet and antioxidant potency among the main Allium vegetable species are lacking. Also, the relationship between organosulfur and phenolic compounds and these biological activities has not been well established...
June 2017: Food Technology and Biotechnology
https://www.readbyqxmd.com/read/28866860/protective-effects-of-dietary-garlic-powder-against-cadmium-induced-toxicity-in-sea-bass-liver-a-chemical-biochemical-and-transcriptomic-approach
#13
Amin Mosbah, Hamadi Guerbej, Hamadi Boussetta, Zied Bouraoui, Mohamed Banni
To investigate the protective effect of garlic powder on cadmium-induced toxicity sea bass liver, juvenile fishes where maintained under three food diets (diet 1: normal without garlic supply, diet 2: 2% garlic powder; diet 3: 6% garlic powder). After 30 days of specific diets, each group was injected with 500 μg kg(-1)of Cd. The control group was the one fed with normal diet and not injected with Cd. Liver Cd, Zn, and Se loads was assessed after 1 and 3 days of Cd injections. Moreover, antioxidant enzymes activities termed as catalase, superoxide dismutase, and glutathione peroxydase as well as their gene expression levels were monitored...
September 2, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28858299/synthesis-and-in-vitro-biological-evaluation-of-thiosulfinate-derivatives-for-the-treatment-of-human-multidrug-resistant-breast-cancer
#14
Ariane Roseblade, Alison Ung, Mary Bebawy
Organosulfur compounds derived from Allium vegetables have long been recognized for various therapeutic effects, including anticancer activity. Allicin, one of the main biologically active components of garlic, shows promise as an anticancer agent; however, instability makes it unsuitable for clinical application. The aim of this study was to investigate the effect of stabilized allicin derivatives on human breast cancer cells in vitro. In this study, a total of 22 stabilized thiosulfinate derivatives were synthesized and screened for their in vitro antiproliferative activities against drug-sensitive (MCF-7) and multidrug-resistant (MCF-7/Dx) human adenocarcinoma breast cancer cells...
August 31, 2017: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/28856573/population-growth-rate-of-dry-bulb-mite-aceria-tulipae-acariformes-eriophyidae-on-agriculturally-important-plants-and-implications-for-its-taxonomic-status
#15
Agnieszka Kiedrowicz, Brian G Rector, Suzanne Lommen, Lechosław Kuczyński, Wiktoria Szydło, Anna Skoracka
Dry bulb mite (DBM), Aceria tulipae, is an economically important mite with a worldwide distribution and a broad host range. As a generalist, it is the most important eriophyoid mite attacking bulbous plants such as garlic, onion and tulip. To date, DBM has been recorded on host plants belonging to the families Liliaceae, Amaryllidaceae, Melanthiaceae and Asparagaceae. However, a precise understanding of DBM host range is lacking as it is largely based on casual records of mites on plants, some of which may include accidental hosts...
August 30, 2017: Experimental & Applied Acarology
https://www.readbyqxmd.com/read/28854668/current-and-future-therapies-for-pseudomonas-aeruginosa-infection-in-patients-with-cystic-fibrosis
#16
Wynne D Smith, Emmanuelle Bardin, Loren Cameron, Claire L Edmondson, Katie V Farrant, Isaac Martin, Ronan A Murphy, Odel Soren, Andrew R Turnbull, Natasha Wierre-Gore, Eric W Alton, Jacob G Bundy, Andrew Bush, Gary J Connett, Saul N Faust, Alain Filloux, Paul S Freemont, Andrew L Jones, Zoltan Takats, Jeremy S Webb, Huw D Williams, Jane C Davies
Pseudomonas aeruginosa opportunistically infects the airways of patients with cystic fibrosis and causes significant morbidity and mortality. Initial infection can often be eradicated though requires prompt detection and adequate treatment. Intermittent and then chronic infection occurs in the majority of patients. Better detection of P. aeruginosa infection using biomarkers may enable more successful eradication before chronic infection is established. In chronic infection P. aeruginosa adapts to avoid immune clearance and resist antibiotics via efflux pumps, β-lactamase expression, reduced porins and switching to a biofilm lifestyle...
August 1, 2017: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/28852876/a-possible-mechanism-of-inhibition-of-u87mg-and-sh-sy5y-cancer-cell-proliferation-by-diallyl-trisulfide-and-other-aspects-of-its-activity
#17
Halina Jurkowska, Maria Wróbel, Marta Kaczor-Kamińska, Ewa Jasek-Gajda
The study was conducted to elucidate the mechanism of antiproliferative and antioxidative action of diallyl trisulfide (DATS), a garlic-derived organosulfur compound. Changes in the L-cysteine desulfuration, and the levels of cystathionine and non-protein thiols in DATS-treated human glioblastoma (U87MG) and neuroblastoma (SH-SY5Y) cells were investigated. The inhibition of proliferation of the investigated cells by DATS was correlated with an increase in the inactivated form of Bcl-2. In U87MG cells, an increased level of sulfane sulfur and an increased activity of 3-mercaptopyruvate sulfurtransferase (MPST) and rhodanese, the enzymes involved in sulfane sulfur generation and transfer, suggest that DATS can function as a donor of sulfane sulfur atom, transferred by sulfurtransferases, to sulfhydryl groups of cysteine residues of Bcl-2 and in this way lower the level of active form of Bcl-2 by S-sulfuration...
August 29, 2017: Amino Acids
https://www.readbyqxmd.com/read/28851971/a-broad-range-quorum-sensing-inhibitor-working-through-srna-inhibition
#18
Tim H Jakobsen, Anders N Warming, Rebecca M Vejborg, Joana A Moscoso, Marc Stegger, Frederik Lorenzen, Morten Rybtke, Jens B Andersen, Rico Petersen, Paal Skytt Andersen, Thomas E Nielsen, Tim Tolker-Nielsen, Alain Filloux, Hanne Ingmer, Michael Givskov
For the last decade, chemical control of bacterial virulence has received considerable attention. Ajoene, a sulfur-rich molecule from garlic has been shown to reduce expression of key quorum sensing regulated virulence factors in the opportunistic pathogen Pseudomonas aeruginosa. Here we show that the repressing effect of ajoene on quorum sensing occurs by inhibition of small regulatory RNAs (sRNA) in P. aeruginosa as well as in Staphylococcus aureus, another important human pathogen that employs quorum sensing to control virulence gene expression...
August 29, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28843267/screening-for-circulating-tumour-cells-allows-early-detection-of-cancer-and-monitoring-of-treatment-effectiveness-an-observational-study
#19
Karin Ried, Peter Eng, Avni Sali
Background: Circulating-Tumour-Cells (CTC) provide a blood biomarker for early carcinogenesis, cancer progression and treatment effectiveness. An increase in CTCs is associated with cancer progression, a CTC decrease with cancer containment or remission. Several technologies have been developed to identify CTC, including the validated Isolation-by-Size-of-Epithelial-Tumour (ISET, Rarecells) technology, combining blood filtration and microscopy using standard histo-pathological criteria. Methods: This observational study compared CTC count to cancer status and cancer risk, by monitoring treatment effectiveness in cancer patients and by screening for CTC in asymptomatic patients with risk factors, including family history of cancer...
August 27, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28830419/prevalence-patterns-and-perceived-value-of-complementary-and-alternative-medicine-among-hiv-patients-a-descriptive-study
#20
Mandreker Bahall
BACKGROUND: Use of complementary and alternative medicine (CAM) is widespread among different patient populations despite the availability of evidence-based conventional medicine and lack of supporting evidence for the claims of most CAM types. This study explored the prevalence, patterns, and perceived value of CAM among human immunodeficiency virus (HIV) patients. METHODS: This quantitative descriptive study was conducted between November 1, 2014 and March 31, 2015 among a cross-sectional, convenience sample of attendees of the HIV clinic of a public tertiary health care institution...
August 23, 2017: BMC Complementary and Alternative Medicine
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