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American Journal of Analytical Chemistry 2016年第2期7卷 192-202页

作者： Romézio Alves Carvalho da Silva telma leda gomes de lemos Daniele Alves Ferreira Francisco José Queiroz Monte Programa de Pós-Graduacao em Química Department of Organic Chemistry e Inorganic Federal University of Ceará Fortaleza Brazil

Among the numerous botanical species found in the Brazilian plant biome, Ximenia americana is widespread in the Northeast of Brazil, especially in the state of Ceará, where it is known as bush plum. Its bark, leaves and roots are used in popular medicine for the treatment of skin infections, hemorrhoids, stomach ulcers, gastric pain, among others. In this work, hexane and ethanolic extracts of X. americana seeds were subjected to silylation reactions followed by analysis of the silylated derivatives by gas chromatography-mass spectrometry (GC/MS). In the hexane extract, 18 substances were identified, where the most abundant and most important components were the Octadec-9-enoic (38.14%), (9Z,12Z)-Octadec-9,12-dienoic (18.83%), Ethanedioic (8.21%) and (Z,Z,Z)-9,12,15-Octadecatrienoic (7.22%) acids. From the ethanol extract 18 substances were also identified having D-Sucrose (29.36%), L-Sorbose (9.19%), syllo-Inositol (8.34%) and D-Glucose (7.45%) as the main components. In addition, the presence of a steroid in hexane extract and triterpenes in ethanol extract was recorded. The constituents were identified using chromatographic and spectrometric methods, especially gas chromatography-mass spectrometry. To our knowledge, this is the first study of this nature from the oil of the X. american seeds.

关键词： Ximenia americana Seeds TMS Carbohydrates derivatives GC/MS

Chemical Constituents from Caesalpinia férrea:Identification and ^(1)H and ^(13)C Resonance Assignment

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American Journal of Analytical Chemistry 2014年第10期5卷 688-694页

作者： Islay Lima Magalhaes Francisco Chagas Lima Pinto Raimundo Braz Filho Daniele Alves Ferreira telma leda gomes de lemos Francisco José Queiroz Monte departamento de Química Organica e Inorganica Universidade Federal do CearáFortalezaBrasil Laboratório de Ciencias Químicas Centro de Ciencias TecnológicasUniversidade Estadual do Norte FluminenseCampos dos GoytacazesBrasil

In a phytochemical investigation of Caesalpinia ferrea (Leguminosae), four aromatic compounds (1-4) have been isolated and identified. Their structures have been assigned based on data provided by spectroscopic techni... 详细信息

关键词： Caesalpinia ferrea Leguminosae Aromatic Compounds Spectral Studies

Elevated calprotectin levels are associated with mortality in patients with acute decompensation of liver cirrhosis

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World Journal of Hepatology 2022年第11期14卷 1964-1976页

作者： Camila Matiollo Elayne Cristina de Morais Rateke Emerita Quintina de Andrade Moura Michelle Andrigueti Fernanda Cristina de Augustinho Tamara Liana Zocche telma Erotides Silva Lenyta Oliveira gomes Mareni Rocha Farias Janaina Luz Narciso-Schiavon Leonardo Lucca Schiavon Clinical Analysis Laboratory Unit University HospitalFederal University of Santa CatarinaFlorianopolis 88040-900Brazil Division of Gastroenterology University HospitalFederal University of Santa CatarinaFlorianópolis 88040-900Brazil department of Pharmaceutical Sciences Health Sciences Center Federal University of Santa CatarinaFlorianópolis 88040-370Brazil Division of Gastroenterology Department of Internal MedicineFederal University of Santa CatarinaFlorianopolis 88040-900SCBrazil

BACKGROUND Acute decompensation(AD)of cirrhosis is related to systemic inflammation and elevated circulating *** this context,biomarkers of inflammation,such as calprotectin,may be of prognostic *** To evaluate serum calprotectin levels in patients hospitalized for complications of *** This is a prospective cohort study that included 200 subjects hospitalized for complications of cirrhosis,20 outpatients with stable cirrhosis,and 20 healthy *** calprotectin was measured by enzyme-linked immunosorbant *** Calprotectin levels were higher among groups with cirrhosis when compared to healthy *** median calprotectin was related to Child-Pugh C,ascites,and hepatic *** calprotectin was related to acute-on-chronic liver failure(ACLF)and infection in the bivariate,but not in multivariate *** was not associated with survival among patients with ACLF;however,in patients with AD without ACLF,higher calprotectin was associated with a lower 30-d survival,even after adjustment for chronic liver failure-consortium(CLIF-C)AD score.A high-risk group(CLIF-C AD score≥60 and calprotectin≥580 ng/mL)was identified,which had a 30-d survival(27.3%)similar to that of patients with grade 3 ACLF(23.3%).CONCLUSION Serum calprotectin is associated with prognosis in patients with AD without ACLF and may be useful in clinical practice to early identify patients with a very low short-term survival.

关键词： Inflammation Liver cirrhosis Acute-on-chronic liver failure

Physiological potential of soybean seeds treated with thiamethoxam and submitted to storage

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Agricultural Sciences 2013年第11期4卷 19-25页

作者： Lilian gomes de Moraes Dan Alessandro Lucca Braccini Alberto Leao de lemos Barroso Hugo de Almeida Dan Gleberson Guillen Piccinin Juliana Marques Voroniak department of Agronomy State University of MaringáMaringáBrazil department of Agronomy University of Rio VerdeRio VerdeBrazil

Bio-activators such as thiamethoxam have been used to increase the productive potential of plants, by means of metabolic and plant morphology modifications. Nevertheless, very little is known regarding the effectiveness of this insecticide when incorporated into lower quality level soybean seeds, particularly during storage. The objective of this work was to assess the influence of thiamethoxam on the physiological potential of soybean seeds with different initial vigor levels during four storage periods. Three vigor levels of cultivar Anta—low (35%), medium (70%) and high (85%) vigor—of soybean seeds were utilized in this experiment. The experimental design was completely randomized in a 3 × 2 × 4 factorial scheme—3 levels of vigor (low, medium and high);2 seed treatments (with and without thiamethoxam) and 4 storage periods (0, 30, 60 and 90 days). The analyzed variables were: germination, first germination count, accelerated aging test, seedling length and emergence speed index. Thiamethoxam-treated soybean seeds benefit the physiological potential of both medium and high vigor seeds during storage up to 30 days. Whereas, the use of thiamethoxam was shown to be ineffective in improving the physiological quality of initial low vigor seeds.

关键词： Glycine max Bio-Activator Vigor Physiological Quality