Betulinic, ursolic and oleanolic acids isolated from the aerial parts of Eriope blanchetii (Lamiaceae) were subjected to different esterification reactions, yielding 12 C-3 position ester derivatives. All compounds identified using spectroscopic techniques, such as IR, 1H-NMR MS. The derivatives further investigated for their antioxidant level, Artemia salina lethality antimicrobial activity.

Lima, L. S., Oliveira, R. L., Garcez Neto, A. F., Bagaldo, R., Abreu, C. Silva, T. M., Carvalho, S. and Bezerra, 2015. Licuri oil supplements for lactating cows on pasture. Can. J. Anim. Sci. 95: 617–624. As licuri [Syagrus coronata (Martius) Beccari] can be a beneficial energy source in the diet of managed pasture, this study aimed to determine most effective level feed supplements. Sixteen Holstein×Zebu crossbreed grazing Tanzania (Panicum maximum) pasture grass were grouped into two 4×4...

Abstract Background Hypomineralized second primary molar (HSPM) is a developmental enamel defect that represents caries‐risk factor. There are few studies about HSPM epidemiology in representative populations . Aim To determine the prevalence and factors associated with pre‐schoolers. Design This cross‐sectional population‐based study of 5‐year‐old pre‐schoolers from Teresina, Brazil. The sample was randomly selected stratified by geographic region city, type school (public private), sex (n...

Objetivo: Analisar as características do delirium na Unidade de Terapia Intensiva (UTI). Revisão bibliográfica: O delirium, uma forma disfunção cerebral aguda, é um problema comum e complexo (UTI), sendo caracterizado como perturbação que se desenvolve em curto período tempo, flutua representa mudança aguda da atenção consciência básicas. A incidência UTI varia 45 a 87% maior taxa encontrada pacientes submetidos à ventilação mecânica atingindo mais 80%. pode apresentar estados hiperativos ou...

Phytochemical investigation of the MeOH extract Schinopsis brasiliensis Engl.stems led to isolation new biflavanone (2R*,3R*,2''R*,3''R*)-7-hydroxy-4'-methoxy-flavanone-(3→3'')-3''',7''-dihydroxy-4'''-methoxy-flavanone and 4,2',4'-trihydroxychalcone-(3→O→4'')-2''',4'''-dihydroxychalcone, whereas methyl gallate, gallic acid, (6R,9R)-megastigma-4-en-3-one-9-O-β-glucopyranoside, quercetin-3-O-β-D-xylopyranoside tricetin-3'-O-β-D-glucopyranoside were isolated from leaves.Their chemical...

Bellis perennis L. (Asteraceae) FLOWERS.This work describes the isolation of an active flavonoid fraction and identification isorhamnetin 3-O-β-D-(6''-acetyl)-galactopyranoside from flowers B. perennis, also evaluation anticholinesterase (AChE) activity ethanolic extract (EEF) fraction.The chemical structure was defined on basis spectroscopic 1 H NMR, IR UV data.EEF or reduces AChE in vivo, while vitro, showing a value 1.49 mM for 50% inhibitory concentration (IC 50 ), suggesting potential...

Phytochemical investigation of the aerial parts Eriope blanchetii and E. latifolia (Lamiaceae) yielded podophyllotoxin, as well aryltetralin lignans α- β-peltatin yatein. Oleanolic, ursolic epikatonic acids were also isolated. This is first occurrence podophyllotoxin in family.

This work describes the phytochemical study of stems Mimosa invisa (Mimosaceae) and evaluation antioxidant potential isolated compounds. Cromatografic techniques were employed to isolate salicifoliol, pinoresinol, quercetin, quercetin-3-O-rhamnopyranosyl, quercetin-3-O-arabinofuranosyl lupeol, β-amyrin, sitosterol, p-hydroxy coumaric acid, 4-hydroxy-3-methoxy benzaldehyde (vanillin), 4-hydroxy-3,5-dimethoxy benzaldehyde, benzoic acid 4',6,7- trimethoxy flavonol. The latter had been...

Context: Cratylia mollis Martius ex Benth. and Cenostigma macrophyllum Tul. (Leguminosae) are both endemic Brazilian plants they used by the natives as medicinal plants, leaves of C. also employed forage for cattle during dry season region.Objective: Isolation compounds responsible acetylcholinesterase (AChE) inhibition from CHCl3 active extract.Materials methods: Two peptidic were isolated chromatographic techniques extract macrophyllum. They identified spectrometric data analysis (MS NMR)...

Purpose: In a cross-sectional population-based study of 888 5-year-old preschoolers from Teresina, Brazil, to determine the prevalence and factors associated with erosive tooth wear (ETW).<br /> Materials Methods: questionnaire, parents provided information on sociodemographic factors, their children's eating/drinking habits, oral health. Dental examination was performed at schools by two calibrated examiners for diagnosis ETW, following criteria modified O'Brien Index.<br Results: The ETW...

From the methanolic extract of leaves Cratylia mollis were obtained by chromatographic techniques (3S,5S,6S,9R)-3,6-dihydroxy-5,6-dihydro- β-ionol (1), and a new bis-norisoprenoid named (4S*, 6S*)-4-but-1E-enyl-4,6-dihydroxy-3,5,5-trimethyl-cyclohex-2-enone (2) as well 5a,8a-epidioxyergosta-6,22-dien-3-β-ol. The structures pure compounds elucidated based on MS, ¹H 13C NMR spectroscopic data analyses.

Hypomineralised second primary molar (HSPM) is a developmental enamel defect associated with dental caries.To evaluate the impact of HSPM on oral health-related quality life (OHRQoL) in preschoolers through hierarchical analysis.This population-based cross-sectional study assessed 834 5-year-old preschoolers, Teresina, Piauí, Brazil, using sociodemographic questionnaires and Early Childhood Oral Health Impact Scale (ECOHIS). Dental examination was performed by two calibrated examiners (κ ≥...

ABSTRACTObjetive. This experiment was conducted to evaluate the best sunflower meal concentration in Massai grass silage. Materials and methods. The treatments were composed of 0, 8, 16, 24% (natural matter basis) during ensiling grass, with four repetitions. Results. regression equation showed that inclusion between 2.14% 13.91% obtained a silage dry 25 35%, which are values recommended for production high quality addition linear increase crude protein, reaching 18% DM highest meal. feed...

Citrus limon (L.) Burm LEAVES.This paper describes the chemical composition and acetylcholinesterase inhibition of an active chromatographic fraction EtOAc extract leaves.The presented a mixture two coumarins, 5,8-dimethoxy-psoralen 5,7-dimethoxycoumarin, identified by ¹H ¹³C NMR data analysis, including DEPT, COSY, HMBC HSQC experiments.It was also demonstrated that this presents qualitative quantitative AChE inhibition.In vitro studies indicated CE50 value 340 µg/mL with 95% confidence.In...

Although most of the species Dysphania ambrosioides (L.) Mosyakin &amp; Clemants, Lippia alba (Mill.) N.E.Br. ex Britton P.Wilson, Rosmarinus officinalis L., Schinus terebinthifolia Raddi, and Tragia volubilis L. are not native to Brazil, they have been adapted widely-used in folk medicine spiritual rituals Discovery Coast region Bahia. Within this context, considering need for knowledge pharmacological properties plants awareness influence environmental factors, study was conducted. This...

ABSTRACTObjective. This experiment was conducted to evaluate the best concentration of peanut cake in ensiling massai grass chemical-bromatological composition, fermentative characteristics, forage value rate, ingestion estimates, and digestibility dry matter silage. Materials methods. The carried out at Experimental Farm São Gonçalo dos Campos Federal University Bahia, Brazil. treatments consisted that cut 40 days dehydrated, addition 0%, 8%, 16%, 24% fresh treatment without cake. material...

The state of Rio de Janeiro recorded around 500 notified cases bites by venomous snakes each year. Accidents rattlesnake are rare, representing less than 3% the total. municipality Valença, located in southern State, showed an increase number accidents recent years. Data presented here were collected from registry emergency and medical records patients treated at Hospital Medical School Valença period January 2003 to July 2010. In this there 97 with venomoussnakes, Bothrops 49 (50.5%)...

Counter-current chromatography (CCC) was applied to the preparative separation of methylxantines (theophylline, theobromine, and caffeine) from methanol extract Theobroma cacao seeds. The solvent system used composed hexane-ethyl acetate–methanol–water (2:3:1:1 v/v/v/v) extraction monitored by high-performance liquid employing conditions for a rapid determination methylxantines. mixture obtained were analyzed using Microsorb-MV 100-5, 3 µm (C18) column (250 mm × 4, 6 mm), mobile phase...