Pesquisa | SciELO

Abstract The aim of this study was to use bibliometric techniques to provide a longitudinal view of the evolution over more than 50 years of the literature on esophageal cancer without focusing on a specific area. The Web of Science Core Collection database was searched for published articles on esophageal neoplasm. Different aspects of the articles were analyzed - country, journal, authors, keywords, and topics. The search returned 24,215 articles - the journal Diseases of the Esophagus present the most number of manuscripts (n = 858), followed by Annals of Surgical Oncology (n = 475).The most cited article was one by van Hagen et al. (2012) (2,807 citations). The most prevalent topic was oncology (n = 10,448), followed by surgery (n = 4,944). Most articles were original research (n = 22,697), mainly with the basic science study design and published by institutions in China. The analysis of the variables chosen, identified China as the country with the highest number of articles and showed that authors and institutions in Asia stand out when it comes to production of scientific information on esophageal cancer.

https://doi.org/10.1590/0001-3765202320220716

Effects of probiotic supplementation on the gut microbiota composition of adults: a systematic review of randomized clinical trials
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MÖRSCHBÄCHER, ANA PAULA

; PAPPEN, EMELIN

; HENRIQUES, JOÃO ANTONIO P.

; GRANADA, CAMILLE E.

Anais da Academia Brasileira de Ciências

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2023, Volume 95 Nº 3 elocation e20230037

Resumo: En | Texto: En | PDF: En

Abstract Researchers have associated the therapeutic potential of probiotics with its ability to modulate gut microbiota, which is considered an “invisible organ” of the human body. The present study investigates the effects of probiotic supplementation on the gut microbiota composition of adults. The authors conducted a systematic review of the literature published in six different databases. The search followed PRISMA guidelines and aimed to identify randomized clinical trials on probiotic supplementation. All relevant publications indexed up to May 28, 2021, were retrieved. Then, the authors defined the inclusion and exclusion criteria. Two independent reviewers performed study screening, data extraction, and quality assessment. A total of 2,404 publications were retrieved, and eight studies met the eligibility criteria. The included randomized clinical trials were published between 2015 to 2020. The worldwide studies included adults aged from 18 to 79 years, most of whom were women (66.5%). Only one of the included studies observed significant effects on fecal microbiota composition in the relative abundance of Bacteroidetes and Firmicutes phyla in comparison with the placebo treatment. Overall, this systematic review could not draw consistent conclusions on the effects of probiotic supplementation on the gut microbiota composition of adults.

https://doi.org/10.1590/0001-3765202320230037

“QUEM TEM RAZÃO É O PRÓPRIO AMOR”: UMA NOVA TRADUÇÃO BRASILEIRA DE “THE PHOENIX AND THE TURTLE”, DE WILLIAM SHAKESPEARE
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Britto, Paulo Henriques

; Martins, Marcia A. P.

Cadernos de Tradução

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2023, Volume 43 elocation e93085

Resumo: En Pt | Texto: En Pt | PDF: En | PDF: Pt

Abstract The purpose of this article is twofold: to present a new translation of William Shakespeare’s poem “The Phoenix and the Turtle” alongside a discussion of formal and semantic solutions as well as to help filling the gap that exists in terms of translations of Shakespeare’s lyrical poetry into Brazilian Portuguese, much smaller in number than those of the dramatic canon, except for the series of 154 sonnets (The Sonnets, 1609). It is a short poem, published in 1601 in a collection edited by Robert Chester under the title Love’s Martyr, which also includes authors such as Ben Jonson and George Chapman. In formal terms, it features 67 lines distributed in 13 quatrains and five triplets, to the latter making up the final part, the threnos. Written in trochaic tetramete, it follows the rhyme scheme abba in the quatrains and aaa in the triplets. In an allegorical tone, it describes the ideal love between the phoenix and the turtle, which unites them into a single being, while preserving their own individualities. The poem begins with the gathering of some birds, such as crow, eagle and swan, to celebrate the memory of the phoenix and the turtle after their death. From the eleventh stanza on, Reason, personified, takes over the narrative, and sings a funereal lament for the love of the two birds: with their death, beauty, truth and grace disappear from the world. The translation presented here followed the method for the translation of poetry devised by Paulo Henriques Britto (2006, 2015), comprised of three steps: to identify the poetically significant characteristics of the poem; to assign a priority to each feature, depending on the greater or lesser contribution it makes to the overall aesthetic effect of the poem; and to recreate the characteristics considered to be the most significant among those for which correspondences can be sought in the target language. Following this method, the poem was recreated in eight-syllable lines, replicating the stanzaic structure and the rhyme scheme of Shakespeare’s poem.

Resumo Este artigo tem o duplo objetivo de apresentar uma nova tradução do poema de William Shakespeare “The Phoenix and the Turtle”, discutindo soluções formais e semânticas, e contribuir para a redução da lacuna que existe em termos de traduções da obra lírica do autor inglês para o português brasileiro, bem inferiores em número às do cânone dramático, exceção feita à série de 154 sonetos (The Sonnets, 1609). Trata-se de um poema curto, publicado em 1601, em uma coletânea reunida por Robert Chester sob o título Love’s Martyr, na qual também figuram autores como Ben Jonson e George Chapman. Em termos formais, o poema tem 67 versos distribuídos em 13 quadras e cinco tercetos, esses pertencentes à parte final, o threnos. Escrito em tetrâmetos trocaicos, a obra segue o esquema rímico abba nas quadras e aaa nos tercetos. Em tom alegórico, ela fala sobre o amor ideal entre a fênix e o pombo, que as une em um único ser, ao mesmo tempo em que preserva suas respectivas individualidades. O poema começa com a reunião de algumas aves, como corvo, águia e cisne, para relembrar a fênix e o pombo após a sua morte. A partir da décima-primeira estrofe, a Razão, personificada, assume a narrativa, e entoa um lamento fúnebre sobre o amor das duas aves: com a sua morte, a beleza, a verdade e a graça desaparecem do mundo. A tradução aqui proposta adotou a metodologia para a tradução de poemas desenvolvida por Paulo Henriques Britto (2006, 2015), composta de três etapas: a identificação das características poeticamente significativas do texto poético; a atribuição de uma prioridade a cada característica, dependendo da maior ou menor contribuição por ela dada ao efeito estético total do poema; e a recriação das características tidas como as mais significativas dentre aquelas para as quais se pode buscar correspondências na língua alvo. Seguindo esse roteiro, o poema foi recriado em octossílabos, replicando a estrofação e o esquema rímico dos versos shakespearianos.

https://doi.org/10.5007/2175-7968.2023.e93085

First report of Grapholita molesta (Busck) (Lepidoptera: Tortricidae) infestation on Litchi chinensis Sonn. (Sapindaceae: Sapindales) var. Bengal Busck (Busck Lepidoptera (Lepidoptera Tortricidae Sonn Sapindaceae (Sapindaceae Sapindales var
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Souza, J. M. A.

; Penso, G. A.

; Picoli, E. A. T.

; Meireles, A. S. M.

; Henriques, I. P.

; Godoi-Junior, M. A.

; Martins, J. V. S.

; Ribeiro, L. S.

; Cruz, J. M. F. L.

; Ribeiro, W. S.

Brazilian Journal of Biology

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2023, Volume 83 elocation e276008

Resumo: En | Texto: En | PDF: En

https://doi.org/10.1590/1519-6984.276008

Videolaryngoscopy in anesthesia and perioperative medicine: innovations, challenges, and best practices medicine innovations challenges
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Quintao, Vinícius Caldeira

; Carvalho, Vanessa Henriques

; Costa, Luiz Guilherme Villares da

; Germano-Filho, Paulo Alipio

; Nascimento, José Carlos R.

; Lima, Rodrigo Moreira e

; Nunes, Rogean Rodrigues

; Brandão, Antônio Carlos

; Schmidt, André P.

Brazilian Journal of Anesthesiology

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2023, Volume 73 Nº 5 Páginas 525 - 528

Resumo: En | Texto: En | PDF: En

https://doi.org/10.1016/j.bjane.2023.08.003

Gliomas molecular markers: importance in treatment, prognosis and applicability in brazilian health system
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SOLDATELLI, JÉSSICA S.

; OLIVEIRA, IURI M. DE

; KNEUBIL, MAXIMILIANO C.

; HENRIQUES, JOÃO ANTONIO P.

Anais da Academia Brasileira de Ciências

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2022, Volume 94 Nº 3 elocation e20211075

Resumo: En | Texto: En | PDF: En

Abstract Gliomas represent 80% of all primary malignant brain tumors in adults. In view of this public health problem, the early detection through sensitive and specific molecular tumor markers analysis can help to improve gliomas diagnosis and prognosis as well as their staging, assessment of therapeutic response and detection of recurrence. Therefore, this review focuses in current gliomas tumor markers, IDH-1/2, 1p/19q, MGMT, ATRX, TERT, H3, EGFR, BRAF and Ki67 used in clinic worldwide and their importance to early detection, glioma histological and molecular classification as well as in predicting patient’s therapeutic response. In addition, we present what are the steps in the requesting process for this type of examination in the Brazilian Public Health System (SUS) scope, which attends most of the Brazilian population. Thereby, this article is useful in demonstrating which markers are used in the clinical practice for glioma patients and can be performed in the SUS through partnerships/agreements between specialized health centers and clinical analysis laboratories. It is hoped that this work clarifies, the necessary subsidies to carry out the research of tumor markers in all institutions that serve SUS users, providing a service with equal conditions.

https://doi.org/10.1590/0001-3765202220211075

Editorial decision is still a men’s task
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SPEROTTO, RAUL ANTONIO

; GRANADA, CAMILLE E.

; HENRIQUES, JOÃO ANTONIO P.

; TIMMERS, LUIS FERNANDO S.M.

; CONTINI, VERÔNICA

Anais da Academia Brasileira de Ciências

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2021, Volume 93 Nº 1 elocation e20201803

Resumo: En | Texto: En | PDF: En

https://doi.org/10.1590/0001-3765202120201803 634 downloads

Characteristics and Surgical Outcomes in Very Elderly Patients (≥75 years) with Renal Cell Carcinoma: Data from the Latin American Renal Cancer Group
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Garza-Gangemi, Adrián M.

; Castillejos-Molina, Ricardo A.

; Gueglio, Guillermo

; Tobia-Gonzalez, Ignacio P.

; Jurado, Alberto M.

; Meza-Montoya, Luis

; Scorticati, Carlos H.

; Henriques-da-Costa, Walter

; Yandian, Juan

; Ubillos, Luis

; Glina, Sidney

; Tobias-Machado, Marcos

; Rodríguez-Faba, Oscar

; Ameri, Carlos

; Nolazco, Alejandro

; Martinez, Pablo

; Franco Carvalhal, Gustavo

; Bengio, Ruben G.

; Arribillaga, Leandro Cristian

; Langenhin, Raúl

; Muguruza, Diego

; Campos-Salcedo, José G.

; Bravo-Castro, Edgar I.

; Mingote, Pablo A.

; Ginestar, Nicolás

; Autran-Gomez, Ana M.

; Puente, Roberto

; Decia, Ricardo

; Cardoso-Guimarães, Gustavo

; Palou-Redorta, Joan

; Abreu-Clavijo, Diego

; Cassio-Zequi, Stenio de

; Rodriguez-Covarrubias, Francisco T.

Revista de investigación clínica

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Out 2020, Volume 72 Nº 5 Páginas 308 - 315

Resumo: En | Texto: En | PDF: En

Background: The incidence of renal cell carcinoma (RCC) is increasing globally due to an aging population and widespread use of imaging studies. Objective: The aim of this study was to describe the characteristics and perioperative outcomes of RCC surgery in very elderly patients (VEP), ≥ 75 years of age. Methods: This is a retrospective comparative study of 3656 patients who underwent the treatment for RCC from 1990 to 2015 in 28 centers from eight Latin American countries. We compared baseline characteristics as well as clinical and perioperative outcomes according to age groups (<75 vs. ≥75 years). Surgical complications were classified with the Clavien-Dindo score. We performed logistic regression analysis to identify factors associated with perioperative complications. Results: There were 410 VEP patients (11.2%). On bivariate analysis, VEP had a lower body mass index (p < 0.01) and higher ASA score (ASA >2 in 26.3% vs. 12.4%, p < 0.01). There was no difference in performance status and clinical stage between the study groups. There were no differences in surgical margins, estimated blood loss (EBL), complication, and mortality rates (1.3% vs. 0.4%, p = 0.17). On multivariate regression analysis, age ≥75 years (odds ratio [OR] 2.33, p < 0.01), EBL ≥ 500 cc (OR 3.34, p < 0.01), and > pT2 stage (OR 1.63, p = 0.04) were independently associated with perioperative complications. Conclusions: Surgical resection of RCC was safe and successful in VEP. Age ≥75 years was independently associated with 30-day perioperative complications. However, the vast majority were low-grade complications. Age alone should not guide decision-making in these patients, and treatment must be tailored according to performance status and severity of comorbidities. (REV INVEST CLIN. 2020;72(5):308-15)

https://doi.org/10.24875/ric.20000018 141 downloads

Mixed Ternary Mononuclear Copper(II) Complexes Based on Valproic Acid with 1,10-Phenanthroline and 2,2'-Bipyridine Ligands: DNA Interaction and Cytotoxicity in V79 Cells
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Pich, Claus T.

; Santos, Paulo R. dos

; Fortunato, Tatiana V. O.

; Chiarello, Marilda

; Oliveira, Iuri M. de

; Soares, Bárbara Q.

; Ghermani, Nour E.

; Machado, Miriana

; Roesch-Ely, Mariana

; Dumas, Françoise

; Terenzi, Hernan

; Henriques, João A. P.

; Moura, Sidnei

Journal of the Brazilian Chemical Society

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Mar 2019, Volume 30 Nº 3 Páginas 597 - 613

Resumo: En | Texto: En | PDF: En

This paper reports the DNA interaction and cytotoxicity of binary and ternary copper(II) complexes of valproic acid with phenanthroline or bipyridine and the complementary characterization of Cu(Valp)2Bipy by crystallography. Circular dichroism, plasmid and oligonucleotide assays have shown that the complexes interact with DNA in different manners and are able to cleave plasmid DNA and oligonucleotides at concentrations from 10 to 1000 mol L-1. The plasmid DNA cleavage is enhanced 650, 375 and 285 times by photo activation with UVB light for the complexes Cu(Valp)2Phen, Cu(Valp)2Bipy and Cu2(Valp)4, respectively. Cytotoxicity assays demonstrated that V79 cells were more sensitive to CuII derivatives than sodium valproate as evaluated by 3-(4,5-dimethylthiazol-2yl)-2,5-diphenyl tetrazolium bromide (MTT) and clonogenic assays, where the cytotoxic profile of the compounds was: Cu(Valp)2Phen higher than Cu(Valp)2Bipy, higher than Cu2(Valp)4. Therefore, we report two copper complexes, which interact with DNA and promote its cleavage, leading to an enhanced cytotoxicity when compared to valproic acid.

https://doi.org/10.21577/0103-5053.20180229 742 downloads

10.

Abundance and population structure of Plesionika narval (Fabricius, 1787) in the Northeastern Atlantic
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Sousa, R.

; Pinho, M. R.

; Delgado, J.

; Pinto, A. R.

; Biscoito, M.

; Dellinger, T.

; Henriques, P.

Brazilian Journal of Biology

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Jan 2019, Volume 79 Nº 1 Páginas 111 - 119

Resumo: Pt En | Texto: Pt En | PDF: Pt | PDF: En

Resumo O estudo de abundância e dinâmica populacional de Plesionika narval foi efetuado com 5.255 espécimes provenientes de 62 lances de pesca realizados ao largo do arquipélago da Madeira (Atlântico Nordeste) de 2004 a 2008 entre 101 e 350 m de profundidade. A abundância oscilou entre 0,01 e 19,74 espécimes-por-armadilha com diferenças significativas entre estações provavelmente devido ao aumento da população na primavera durante o período de recrutamento. A análise da distribuição de tamanhos revelou que o comprimento da carapaça (CL) variou entre 2,45 e 28,61 mm e que o tamanho médio das fêmeas excedeu o dos machos. Verificaram-se diferenças significativas no CL médio entre estrato de profundidade e estação. Do total amostrado, 57,00% foram machos, 41,88% fêmeas e 1,42% indeterminados. A razão de sexos também diferiu significativamente entre estações de acordo com a profundidade, consolidando a hipótese da existência de migrações sazonais relacionadas com o ciclo reprodutivo desta espécie. As fêmeas ovadas apresentaram maiores tamanhos e ocorreram durante todo o ano permanecendo em águas pouco profundas no inverno, verão e outono e migrando para águas profundas na primavera. A maior frequência de fêmeas ovadas foi registada no verão, entre 151 e 200 m de profundidade reforçando a hipótese de que a desova desta espécie ocorre em águas menos profundas, especialmente no final do verão.

Abstract Analysis of abundance and population structure of Plesionika narval was performed on data concerning 5,255 specimens obtained from 62 fishing sets carried out off the Madeira archipelago (Northeastern Atlantic) between 2004 and 2008 in a depth range from 101 to 350 m. Abundance ranged from 0.01 to 19.74 specimens-per-trap and significant differences were found between seasons, probably as a result of an increment of population in the spring during the recruitment season. The analysis of size distribution revealed that the carapace length (CL) ranged from 2.45 to 28.61 mm and that mean female size consistently exceeded that of males. Differences in mean CL were statistically significant between depth strata and seasons. Of the specimens sampled, 57.00% were males, 41.88% females and 1.42% undetermined. Sex ratio also differed significantly between seasons according to depth strata, consolidating the hypothesis of the existence of seasonal migrations related with the reproductive cycle of this species. Ovigerous females showed larger sizes and occurred all year around and remain in shallow waters in winter, summer and autumn and move to deeper waters in spring. The highest frequency of ovigerous females was recorded in summer, between 151 and 200 m deep supporting the hypothesis that spawning of this species occurs in shallow waters, especially in late summer.

https://doi.org/10.1590/1519-6984.179610 683 downloads

11.

Weight-length relationships of six shrimp species caught off the Madeira Archipelago, Northeastern Atlantic
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Sousa, R.

; Gouveia, L.

; Pinto, A. R.

; Timóteo, V.

; Delgado, J.

; Henriques, P.

Brazilian Journal of Biology

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Jan 2019, Volume 79 Nº 1 Páginas 133 - 138

Resumo: Pt En | Texto: Pt En | PDF: Pt | PDF: En

Resumo As relações peso-comprimento e a estatística descritiva foram estimadas para seis espécies de camarões, capturados ao largo do arquipélago da Madeira, entre 1983 e 2014, usando armadilhas de fundo e alvoradas entre os 50 e 1.300 metros de profundidade. O parâmetro b variou entre 2,36 para Plesionika ensis e 2,97 para Plesionika williamsi. Todas as espécies evidenciaram um padrão de crescimento alométrico negativo. De acordo com o conhecimento dos autores, todas as relações peso-comprimento são aqui apresentadas pela primeira vez para a área da Madeira e no caso de Ligur ensiferus e Plesionika ensis são a primeira referência mundial.

Abstract Length and weight relationships and descriptive statistics are reported for six shrimp species caught off the Madeira archipelago between 1983 and 2014 using bottom and floating traps from depths ranging from 50 to 1,300 m. The parameter b ranged between 2.36 for Plesionika ensis and 2.97 for Plesionika williamsi. All species showed a pattern of negative allometric growth. To the authors’ knowledge all weight-length relationships presented herein are recorded for the first time from the Madeira area, and in the cases of Ligur ensiferus and Plesionika ensis are the first references worldwide.

https://doi.org/10.1590/1519-6984.180731 716 downloads

12.

ENZYMATIC BIODIESEL SYNTHESIS FROM ACID OIL USING A LIPASE MIXTURE
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Pedro, Kelly C. N. R.

; Parreira, Juliana M.

; Correia, Igor N.

; Henriques, Cristiane A.

; Langone, Marta A. P.

Química Nova

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Mar 2018, Volume 41 Nº 3 Páginas 284 - 291

Resumo: En | Texto: En | PDF: En

The conventional biodiesel production process has some disadvantages. It is necessary to use refined vegetable oils with low free fatty acids (FFAs) content. An alternative route is to use low-cost acid oils in an enzymatic process. The use of lipases allows simultaneous esterification of FFAs and transesterification of triglycerides present in raw material forming alkyl esters. The aim of this work was to study the production of biodiesel using soybean oils with different acid contents (Acid Value of 8.5, 50, 90) and ethanol catalyzed by commercial immobilized lipases (Novozym 435, Lipozyme RM IM and Lipozyme TL IM). A significant decrease of acid value was observed mainly with Novozym 435 and Lipozyme RM IM. The use of a mixture of two immobilized lipases was also investigated to decrease catalyst cost and increase the amount of ester produced. The three commercial immobilized lipases were mixed in a dual system and tested for biodiesel synthesis from acid oil (AV of 8.5, 50 and 90). A positive synergistic effect occurred mainly for Lipozyme TL IM (1,3-specific lipase) and Novozym 435 (non-specific lipase) blend. The ester content doubled when this lipase mixture was used in ethanolysis of acid oil with AV of 90.

https://doi.org/10.21577/0100-4042.20170180 1870 downloads

13.

Association between serotonin 2C receptor gene (HTR2C) polymorphisms and psychopathological symptoms in children and adolescents
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Paes, L.A.

; Torre, O.H. Della

; Henriques, T.B.

; de Mello, M.P.

; Celeri, E.H.R.V.

; Dalgalarrondo, P.

; Guerra Júnior, G.

; dos Santos Júnior, A.

Brazilian Journal of Medical and Biological Research

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2018, Volume 51 Nº 8 elocation e7252

Resumo: En | Texto: En | PDF: En

Serotonin 2C receptors (5HT2C) are involved in serotonin-driven dynamic equilibrium adjustments responsible for homeostatic stability in brain structures that modulate behavior and emotions. Single nucleotide polymorphisms (SNPs) from the serotonin 2C receptor gene (HTR2C) have been associated with several neurological and mental disorders, including abnormalities in cognitive and emotional processes. The aim of this study was to evaluate the association between the rs6318 SNP of the HTR2C gene and behavioral characteristics exhibited by children and adolescents based on the Child Behavior Checklist (CBCL/6-18) inventory. Eighty-five psychiatric outpatients between 8 and 18 years of age underwent genotyping of the rs6318 SNP. The CBCL/6-18 scale was administered to their caregivers. The chi-squared test was used to assess differences in the frequency of C and G alleles of the rs6318 SNP relative to the grouped CBCL/6-18 scores; significance level was 5%. The presence of the G allele of rs6318 was found to be associated with characteristics of aggressive behavior and social problems, and aggressive behavior was found to be associated with heterozygosis in females. These findings contribute to the identification of mental and behavioral phenotypes associated with gene expression.

https://doi.org/10.1590/1414-431x20187252 1081 downloads

14.

Metal trace elements in mussels in Urubuqueçaba Island, Santos Bay, Brazil
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Campolim, Marcos Bührer

; Henriques, Marcelo Barbosa

; Petesse, Maria Letizia

; Rezende, Karina Fernandes Oliveira

; Barbieri, Edison

Pesquisa Agropecuária Brasileira

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Dez 2017, Volume 52 Nº 12 Páginas 1131 - 1139

Resumo: Pt En | Texto: Pt En | PDF: Pt | PDF: En

Resumo: O objetivo deste trabalho foi verificar a existência de bioacumulação em mexilhões da espécie Perna perna, por meio da determinação da concentração dos elementos-traço metálicos, na Ilha Urubuqueçaba, na Baía de Santos, Santos, SP, Brasil. Os mexilhões foram coletados em bancos naturais e costão rochoso, e as amostragens ocorreram no período de abril de 2010 a junho de 2011. A concentração dos elementos-traço metálicos - alumínio, cádmio, cromo, cobre, ferro, manganês, níquel, chumbo e zinco - foi determinada de acordo com o sexo, o comprimento e as classes de sazonalidade do mexilhão, em espectrômetro de absorção atômica de chama. Análises estatísticas foram aplicadas aos resultados com o uso do programa PAST, com abordagens paramétricas e não paramétricas, a 5% de probabilidade. No verão, os mexilhões apresentam as maiores concentrações de cádmio, cobre, chumbo e zinco. As fêmeas de P. perna concentram mais cobre; quanto aos demais elementos, não há diferenças significativas entre os sexos. As classes de comprimento que apresentam maiores concentrações são a de 3,5-5,5 cm para Al e Fe, e a de 6,5-8,5 cm para Cr.

Abstract: The objective of this work was to verify the existence of bioaccumulation in mussels of the species Perna perna, by determining the concentration of metal trace elements, in Urubuqueçaba Island, Santos Bay, Santos, SP, Brazil. Mussels were collected in natural banks and rocky shores, and sampling took place from April 2010 to June 2011. The concentration of the trace metal elements - aluminum, cadmium, cromium, copper, iron, manganese, nickel, lead, and zinc - was determined according to mussel sex, length, and seasonality classes, in a flame atomic absorption spectrometer. Statistical analyses were applied to the results with the use of the software PAST, with parametric and nonparametric approaches, at 5% probability. In the summer, mussels show the highest concentrations of cadmium, copper, lead, and zinc. Females of P. perna concentrate more copper; for the other elements, there are no significant differences between sexes. The length classes with the highest concentrations are 3.5-5.5 cm for Al and Fe, and 6.5-8.5 cm for Cr.

https://doi.org/10.1590/s0100-204x2017001200001 1005 downloads

15.

Pereskia aculeata: biological analysis on wistar rats
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ZEM, Luciele Milani

; HELM, Cristiane Vieira

; HENRIQUES, Gilberto Simeone

; CABRINI, Daniela de Almeida

; ZUFFELLATO-RIBAS, Katia Christina

Food Science and Technology

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Dez 2017, Volume 37 Supl. 1 Páginas 42 - 47

Resumo: En | Texto: En | PDF: En

Abstract Pereskia aculeata Mill., a species of the family Cactaceous, popularly known in Brazil as ora-pro-nobis, has high protein, vitamin and mineral contents. High essential amino acid concentrations should be underscored, suggesting a better evaluation of the fractions. Current study quantifies amino acid content and the chemical score (CS) of protein amino acids, determining in vivo digestibility, protein efficiency ratio (PER) and net protein ratio (NPR) of P. aculeata. Plant material was collected, washed, placed in an oven at 60 °C, ground and stored in a freezer for chemical analysis. Diets that maintain isoproteic and isocaloric characteristics were prepared for the bioassay, namely: casein (no protein) and Pereskia aculeata leaves-based flour. Eighteen male albino Wistar rats, divided into three experimental groups of 6 animals each, were used to evaluate protein quality and bioavailability of micronutrients. Pereskia aculeata flour provided as a single source is inadequate for growth, although it is relevant for maintaining protein metabolism indicated by net protein ratio (2.87). It is actually a good quality protein source due to few limiting essential amino acids, and it meets the diet requirements for humans.

https://doi.org/10.1590/1678-457x.29816 2134 downloads

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