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 12,436 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Eight yearling Holstein heifers (330 kg) were utilized in two 4 x 4 Latin squares. Diets were normal and brown midrib genotypes of Redlan x Greenleaf and Redlan x Piper varieties of ensiled first-cutting sorghum-sudangrass harvested at early head stage of maturity. Composition of hemicellulosic monosaccharides and alkali-soluble lignin phenolic compounds in feeds and corresponding digestibilities were estimated. Arabinose, xylose, and uronic acids were more digestible in brown midrib genotypes than in normal genotypes. p-Coumaric acid disappearance was higher in heifers consuming normal genotypes than in those on brown midrib mutants. In a second experiment, four Suffolk wethers with ruminal, duodenal, and ileal cannulae were utilized in a 4 x 4 Latin square design. Diets were second-cutting sorghum-sudangrass harvested at prehead stage of maturity as baled hay. Digestibilities were determined in the same manner as for heifers. Brown midrib genotypes had higher hemicellulosic monosaccharides, galactose, and uronic acids than did normal genotypes. Xylose content of the brown midrib mutant of Redlan x Piper was higher than that of the corresponding normal genotype. Total tract galactose digestibility was higher in brown midrib genotypes than in normal genotypes. Total tract hemicellulose digestibility (estimated by summing fractional digestibilities of hemicellulosic monosaccharides) was higher in brown midrib mutants than in normal genotypes.
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PMID:Disappearance of hemicellulosic monosaccharides and alkali-soluble phenolic compounds of normal and brown midrib sorghum x sudangrasses fed to heifers and sheep. 292 37

Four nonlactating Holstein cows were fed all-forage diets, consisting of two brown midrib mutant sorghum x sudangrass hybrids (Redlan x Greenleaf and Redlan x Piper) and their normal counterparts, to assess the effects of the brown midrib mutation on the rate and extent of in situ cell wall digestion and on ruminal liquid and particulate turnover rates. The four diets were preserved as hay and coarsely chopped prior to feeding in a 4 x 4 Latin square design. Brown midrib genotypes had lower NDF, acid detergent lignin, and hemicellulose concentrations than did normal genotypes. There was no significant difference between brown midrib and normal diets in the rate of in situ cell wall digestion or in digestion lag time. However, brown midrib diets had greater extent of digestion and greater apparent digestibility than normal diets. There was no difference between genotypes in ruminal liquid or particulate turnover rates. In this experiment, lignin concentration had no effect on the rate of in situ digestion or on the rate of ruminal digesta flow.
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PMID:In situ digestion kinetics and ruminal turnover rates of normal and brown midrib mutant sorghum x sudangrass hays fed to nonlactating Holstein cows. 323 34

Reports an error in "Psychiatric disorders in smokers seeking treatment for tobacco dependence: Relations with tobacco dependence and cessation" by Megan E. Piper, Stevens S. Smith, Tanya R. Schlam, Michael F. Fleming, Amy A. Bittrich, Jennifer L. Brown, Cathlyn J. Leitzke, Mark E. Zehner, Michael C. Fiore and Timothy B. Baker (Journal of Consulting and Clinical Psychology, 2010[Feb], Vol 78[1], 13-23). There was an error in the Method section in the World Mental Health Survey Initiative version of the CIDI subsection. The authors characterized one of the anxiety conditions analyzed as "panic disorder". However, this should have been labeled as "panic attacks", consequently making the occurrence rates and relations the authors reported actually pertain to panic attacks, social phobia, and generalized anxiety disorder. (The following abstract of the original article appeared in record 2010-00910-005.) Objective: The present research examined the relation of psychiatric disorders to tobacco dependence and cessation outcomes.
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PMID:"Psychiatric disorders in smokers seeking treatment for tobacco dependence: Relations with tobacco dependence and cessation": Correction to Piper et al. (2010). 2885 93

This study highlights plastics occurrence in five demersal fish species from the Southern Tyrrhenian Sea: the Red mullet Mullus barbatus barbatus, the Piper gurnard Trigla lyra, the Blackmouth catshark Galeus melastomus, the Lesser spotted dogfish Scyliorhinus canicula and the Brown ray Raja miraletus. Overall, 125 fish were examined: 21 Red mullets, 16 Piper gurnards, 75 Blackmouth catsharks, 72 Dogfish and 1 Brown ray. The percentage of fish with ingested plastics was 14.4% with 0.24 items per specimen. The majority of the debris were fibers and the application of infrared and Raman spectroscopy allowed the identification and discrimination of plastic and non-plastic fibers. The plastic debris isolated were mainly microplastics (94.1%), while macroplastics occurrence was very low (5.9%). The plastics were identified as polypropylene, Teflon, nylon, kraton G (triblock copolymer) and polyethylene. Also cellulose was detected. S. canicula was the species with the highest number of plastic pollutants.
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PMID:Quali-quantitative analysis of plastics and synthetic microfibers found in demersal species from Southern Tyrrhenian Sea (Central Mediterranean). 3173 4

Sexual enhancers increase sexual potency, sexual pleasure, or libido. Substances increasing libido alter the concentrations of specific neurotransmitters or sex hormones in the central nervous system. Interestingly, the same pathways are involved in the mechanisms underlying many psychiatric and neurological disorders, and adverse reactions associated with the use of aphrodisiacs are strongly expected. However, sexual enhancers of plant origin have gained popularity over recent years, as natural substances are often regarded as a safer alternative to modern medications and are easily acquired without prescription. We reviewed the psychiatric and neurological adverse effects associated with the consumption of herbal aphrodisiacs Areca catechu L., Argemone Mexicana L., Citrus aurantium L., Eurycoma longifolia Jack., Lepidium meyenii Walp., Mitragyna speciosa Korth., Panax ginseng C. A. Mey, Panax quinquefolius L., Pausinystalia johimbe (K. Schum.) Pierre ex Beille, Piper methysticum G. Forst., Ptychopetalum olacoides Benth., Sceletium tortuosum (L.) N. E. Brown, Turnera diffusa Willd. ex. Schult., Voacanga africana Stapf ex Scott-Elliot, and Withania somnifera (L.) Dunal. A literature search was conducted on the PubMed, Scopus, and Web of Science databases with the aim of identifying all the relevant articles published on the issue up to June 2020. Most of the selected sexual enhancers appeared to be safe at therapeutic doses, although mild to severe adverse effects may occur in cases of overdosing or self-medication with unstandardized products. Drug interactions are more concerning, considering that herbal aphrodisiacs are likely used together with other plant extracts and/or pharmaceuticals. However, few data are available on the side effects of several plants included in this review, and more clinical studies with controlled administrations should be conducted to address this issue.
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PMID:Pharmacology of Herbal Sexual Enhancers: A Review of Psychiatric and Neurological Adverse Effects. 3306 17