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PubMed Journals Articles About "Global Chinese Ethyl Aceto Acetate Acetal Industry 2017" RSS

05:24 EST 18th January 2019 | BioPortfolio

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Showing "Global Chinese Ethyl Aceto Acetate Acetal Industry 2017" PubMed Articles 1–25 of 11,000+

DeastringentPeel Extracts of Persimmon ( Thunb. cv. Cheongdo-Bansi) Protect Neuronal PC-12 andSH-SY5Y Cells against Oxidative Stress.

Peel of astringent persimmon ( Thunb. cv. Cheongdo-Bansi) is a by-product of dried persimmon ().We investigated if deastringentpeel extracts of persimmon cv. Cheongdo-Bansi had antioxidative and neuroprotective properties.Two different extracts were prepared: thermallyand nonthermallytreated persimmon peel extracts (TPE and NTPE, respectively). Both TPE and NTPE were fractionated sequentially in -hexane, chloroform, ethyl acetate, -butanol, and water. TPE and NTPE ethyl acetate fractions had the highest tot...


Genetic diversity of porcine circovirus type 2 in China between 1999-2017.

Porcine circovirus type 2 (PCV-2), is linked to PCV-2 associated disease, which has caused considerable economic loss in the swine industry. Here, we report the genetic diversity of PCV-2 in China. A total of 74 Chinese PCV-2 strains sequenced between 1999 and 2017 were studied. Based on the ORF2 and complete genomes, we found that apart from the PCV-2a, PCV-2b, and PCV-2d genotypes, two unstable recombination genotypes also exist, referred to as IM1 and IM2 genotypes. We found that the patterns of PCV-2 ge...

Mechanistic insights into the iridium catalysed hydrogenation of ethyl acetate to ethanol: a DFT study.

Density functional theory study of the hydrogenation of ethyl acetate catalysed by iridium complexes [Cp*Ir(bpy)OH2]2+ reveals a direct C-O bond cleavage mechanism with two cascade catalytic cycles for the hydrogenation of ethyl acetate to aldehyde and the hydrogenation of aldehyde to ethanol. Calculation results indicate that the rate-determining state in the whole catalytic reaction is the direct C-O bond cleavage for the formation of aldehyde and ethanol with a total free energy barrier of 25.5 kcal mol-...


Suggestion to construction of regulations from historical evolution of Chinese medicine processing legislation.

Chinese medicine is the treasure of China. It has been the safe guard of health in China for thousands of years. Processing of traditional Chinese medicine (TCM) is an important process of removing crude extracts from natural products and achieving pharmacological properties of TCM. The connotation and norms of herbal preparation in the past dynasties have been improved gradually, and have been included in the code system since the Tang Dynasty. The process of legislative evolution is closely related to the...

Global, regional, and national age-sex-specific mortality for 282 causes of death in 195 countries and territories, 1980-2017: a systematic analysis for the Global Burden of Disease Study 2017.

Global development goals increasingly rely on country-specific estimates for benchmarking a nation's progress. To meet this need, the Global Burden of Diseases, Injuries, and Risk Factors Study (GBD) 2016 estimated global, regional, national, and, for selected locations, subnational cause-specific mortality beginning in the year 1980. Here we report an update to that study, making use of newly available data and improved methods. GBD 2017 provides a comprehensive assessment of cause-specific mortality for 2...

From the Front or Back Door? Quantitative analysis of direct and indirect extractions of α-mangostin from mangosteen (Garcinia mangostana).

The pulp and pericarp of mangosteen (Garcinia mangostana) fruit are popular food, beverage and health products whereby 60% of the fruit consist of the pericarp. The major metabolite in the previously neglected or less economically significant part of the fruit, the pericarp, is the prenylated xanthone α-mangostin. This highly bioactive secondary metabolite is typically isolated using solvent extraction methods that involve large volumes of halogenated solvents either via direct or indirect extraction. In t...

Scrophularia lucida L. as a valuable source of bioactive compounds for pharmaceutical applications: In vitro antioxidant, anti-inflammatory, enzyme inhibitory properties, in silico studies, and HPLC profiles.

The genus Scrophularia has received much interest with regards to its traditional uses against eczema, psoriasis, and mastitis. Yet, the medicinal properties of some species still need to be scientifically validated. The present study was designed to investigate into the biological properties of various solvent extracts (ethyl acetate, methanol, and aqueous) of the roots and aerial parts of Scrophularia lucida based on its antioxidant, anti-inflammatory, and enzyme inhibitory activities together with phytoc...

In vitro inhibition of protein glycation and advanced glycation end products formation by hydroethanolic extract and two fractions of Simaba trichilioides roots.

Long-term hyperglycemia maintenance is responsible for increased protein glycation and formation of advanced glycation end products (AGEs), both are associated with the onset of diabetes mellitus complications. Efforts have been made to discover new agents having antiglycation potential. The aim of this study was to investigate the effects of the hydroethanolic extract and the ethyl acetate and methanolic fractions of Simaba trichilioides roots on the formation of AGEs. In an in vitro model system of protei...

Anti-rheumatoid arthritis effects in adjuvant-induced arthritis in rats and molecular docking studies of Polygonum orientale L. extracts.

Polygonum orientale L. (family: Polygonaceae), named Hongcao in China, has effects of dispelling wind and dampness, promoting blood circulation, and relieving pain. Our group has already studied and confirmed that POEa and POEe (ethyl acetate and ethyl ether extract of P. orientale, respectively) had anti-inflammatory and analgesic effects in early research, which was mainly relevant to the existence of flavonoids. According to the clinical application of P. orientale in traditional Chinese medicine, it has...

Arctium lappa L. root extract induces cell death via mitochondrial-mediated caspase-dependent apoptosis in Jurkat human leukemic T cells.

Arctium lappa L. is a perennial herb traditionally consumed to improve well-being. It has been widely reported for its antioxidant properties; however, very little is known for its exact mechanisms underlying the anticancer activity. This study aimed to investigate the mechanisms of anticancer action for different A. lappa root extracts. Arctium lappa root was extracted with ethanol, hexane and ethyl acetate, then examined for in vitro anticancer activity against cancerous HeLa, MCF-7, Jurkat cell lines and...

Conversion of poplar into bio-oil via subcritical hydrothermal liquefaction: Structure and antioxidant capacity.

Subcritical hydrothermal liquefaction of poplar was performed at 220-280 °C, and the liquid phase produced was extracted by ethyl acetate to obtain light oil (LO), which contained LO1 (water-soluble) and LO2 (ethyl acetate-soluble). The residue was further extracted with acetone to produce heavy oil (HO) and solid residue (SR). The highest bio-oil yield of 19.88% was obtained at 260 °C. The HO produced at 260 °C had the highest content of C (69.13%) and the higher heating value was 27.97 MJ/kg. T...

Measuring progress from 1990 to 2017 and projecting attainment to 2030 of the health-related Sustainable Development Goals for 195 countries and territories: a systematic analysis for the Global Burden of Disease Study 2017.

Efforts to establish the 2015 baseline and monitor early implementation of the UN Sustainable Development Goals (SDGs) highlight both great potential for and threats to improving health by 2030. To fully deliver on the SDG aim of "leaving no one behind", it is increasingly important to examine the health-related SDGs beyond national-level estimates. As part of the Global Burden of Diseases, Injuries, and Risk Factors Study 2017 (GBD 2017), we measured progress on 41 of 52 health-related SDG indicators and e...

Global, regional, and national incidence, prevalence, and years lived with disability for 354 diseases and injuries for 195 countries and territories, 1990-2017: a systematic analysis for the Global Burden of Disease Study 2017.

The Global Burden of Diseases, Injuries, and Risk Factors Study 2017 (GBD 2017) includes a comprehensive assessment of incidence, prevalence, and years lived with disability (YLDs) for 354 causes in 195 countries and territories from 1990 to 2017. Previous GBD studies have shown how the decline of mortality rates from 1990 to 2016 has led to an increase in life expectancy, an ageing global population, and an expansion of the non-fatal burden of disease and injury. These studies have also shown how a substan...

Hepatoprotective potential of Malvaviscus arboreus against carbon tetrachloride-induced liver injury in rats.

Malvaviscus arboreus Cav. is a medicinal plant belonging to family Malvaceae with both ethnomedical and culinary value; however, its phytochemical and biological profiles have been scarcely studied. Accordingly, this work was designed to explore the chemical composition and the hepatoprotective potential of M. arboreus against carbon tetrachloride (CCl4)-induced hepatotoxicity. The total extract of the aerial parts and its derived fractions (petroleum ether, dichloromethane, ethyl acetate, and aqueous) were...

Global, regional, and national comparative risk assessment of 84 behavioural, environmental and occupational, and metabolic risks or clusters of risks for 195 countries and territories, 1990-2017: a systematic analysis for the Global Burden of Disease Study 2017.

The Global Burden of Diseases, Injuries, and Risk Factors Study (GBD) 2017 comparative risk assessment (CRA) is a comprehensive approach to risk factor quantification that offers a useful tool for synthesising evidence on risks and risk-outcome associations. With each annual GBD study, we update the GBD CRA to incorporate improved methods, new risks and risk-outcome pairs, and new data on risk exposure levels and risk-outcome associations.

Presidential address 2017 William Harkness FRCS October 10th 2017 Denver, Co USA: 2017-annus mirabilis, a global view of neurosurgery for children.

The following presidential address was delivered at the 45th Annual Meeting of the ISPN held in Denver, CO, USA in October 2017.

Plantago squarrosa Murray extracts inhibit the growth of some bacterial triggers of autoimmune diseases: GC-MS analysis of an inhibitory extract.

Ankylosing spondylitis, multiple sclerosis, rheumatoid arthritis and rheumatic fever are autoimmune inflammatory diseases that may be triggered in genetically susceptible individuals by specific bacterial pathogens. Inhibiting the growth of these bacteria with high antioxidant plant extracts may inhibit the aetiology of these diseases, as well as inhibiting the later phase symptoms. P. squarrosa extracts were analysed for antioxidant activity using a DPPH free radical scavenging assay. Bacterial growth inhi...

Global, regional, and national age-sex-specific mortality and life expectancy, 1950-2017: a systematic analysis for the Global Burden of Disease Study 2017.

Assessments of age-specific mortality and life expectancy have been done by the UN Population Division, Department of Economics and Social Affairs (UNPOP), the United States Census Bureau, WHO, and as part of previous iterations of the Global Burden of Diseases, Injuries, and Risk Factors Study (GBD). Previous iterations of the GBD used population estimates from UNPOP, which were not derived in a way that was internally consistent with the estimates of the numbers of deaths in the GBD. The present iteration...

Inhibition of Fusarium trichothecene biosynthesis by yeast extract components extractable with ethyl acetate.

While Fusarium graminearum readily produces trichothecenes in complex media containing sucrose as the carbon source (YS_60), the amount of the mycotoxin is quite limited when other sugars, such as glucose and fructose, are used. We found that autoclaving of media containing fructose and yeast extract (YF_60) results in the formation of inhibitors of trichothecene biosynthesis by F. graminearum JCM 9873, a strain that produces 15-acetyldeoxynivalenol (15-ADON) in liquid culture. Removal of the solvent fracti...

Evaluation of antioxidant and antimicrobial potential of a novel Himalayan plant Reinwardtia indica dumort: Scientifically unexplored.

Reinwardtia indica (Lineceae) is a medicinal plant cultivated in the Himalayan region. It is effectively used in folk medicines for the treatment of various health complications. In the present study, the shade dried leaves and stem were extracted in three different solvents such as ethyl acetate, ethanol, and hydro-alcoholic. The antioxidant efficacy of these extracts was confirmed by using different in vitro assays: DPPH free radical scavenging, superoxide radical scavenging, lipid peroxidation, metal ion...

An update on the global prevalence of conduct disorder (2011-2017): Study protocol for a systematic review and meta-analysis.

The global burden of conduct disorder is considerable, particularly in males. Deaths were followed by conflict and terrorism increased 143·3% from 2006 to 2016. The objective of this study is to provide a protocol of systematic review and meta-analysis to update the global prevalence of conduct disorder during 2011-2017.

Formalin-ethyl acetate concentration, FLOTAC Pellet and anal swab techniques for the diagnosis of intestinal parasites.

The aim of this study was to compare formalin-ethyl acetate concentration and FLOTAC Pellet techniques for the diagnosis of intestinal parasites in human stool samples. The anal swab method was used for the specific detection of Enterobius vermicularis. The study was performed in children and youth from Puerto Madryn (South Argentina). A total of 174 individuals were examined using the formalin-ethyl acetate concentration technique (FECT), the FLOTAC Pellet technique with saturated sodium chloride and zinc ...

Application of pressurized liquid extraction (PLE) to obtain bioactive fatty acids and phenols from Laminaria ochroleuca collected in Galicia (NW Spain).

The increase of pathologies like cardiovascular diseases, obesity or diabetes due to the nature of diet is a matter of concern in our society. Because of this, there is a high interest in healthy natural products that could prevent the appearance of such diseases. This paper aims to study the content of fatty acids (FAs) and phenolic compounds of brown alga Laminaria ochroleuca (L. ochroleuca) and to determine the nutritional quality of the lipids extracted using pressurized liquids extraction (PLE) techniq...

The Price of Medical Tourism: The Legal Implications of Surgery Abroad.

Medical tourism, or traveling abroad to obtain medical services, has evolved into a global health care phenomenon, with over 15 million U.S. patients each year seeking medical care internationally, representing a $50 billion dollar industry in 2017. Speculation and media fascination about the growing industry, diverse destinations, and rationale behind the medical tourists is rampant; however, the legal implications of tourism medicine, particularly when it goes wrong, are often unclear. On the internationa...

Antimelanogenic and Antimigration Properties of the Ethyl Acetate Fraction of Calendula officinalis Flowers on Melanoma Cells.

Calendula officinalis L., commonly known as marigold, is not only cultivated for ornamental purposes but is also used as a traditional medicinal herb. Its flowers have been used to treat various skin diseases, including rashes, burns, cuts and bruises, since ancient times. However, to our knowledge, the impact of C. officinalis L. on melanoma and its mechanism have not been clarified. The aim of this work was to investigate the chemical characterization and antimelanogenic and antimigration activities of t...


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