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A method for germinating perennial Cicer species Open Agri
Coyne, C.J.
Palavras-chave: Polysaccharides; Chickpeas; Grafting; Pigeonpeas; Germplasm; Relative humidity; Transplanting; Regeneration; Tillage equipment; Developmental stages.
Ano: 2005 URL: http://agropedia.iitk.ac.in/openaccess/?q=node/3229
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A polysaccharide fraction extracted from Pleurotus ostreatus mycelial biomass inhibit Sarcoma 180 tumor Anais da ABC (AABC)
WISBECK,ELISABETH; FACCHINI,JEAN M.; ALVES,ENDI P.; SILVEIRA,MARCIA L.L.; GERN,REGINA M.M.; NINOW,JORGE L.; FURLAN,SANDRA A..
ABSTRACT Fungi of Pleurotus genus have attracted a great interest due to their medicinal properties such as anti-inflammatory, antimicrobial and antitumor. These properties are attributed mainly to polysaccharides synthesized by Pleurotus. This work aimed to study the mycelial growth of P. ostreatus in submerged culture, evaluating the influence of the initial concentration of substrate (20 and 40 g/L of glucose) and the pH (4 and 6) on kinetic parameters of production of biomass. The effectiveness of different doses (10, 30 and 50 mg/kg) of a mycelium polysaccharide fraction extracted from P. ostreatus in reducing Sarcoma 180 development in mice was also verified. In the range of this study, maximum concentration of mycelial biomass (about 12.8 g/L) was...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Antitumor Activity; Mycelium; Pleurotus ostreatus; Polysaccharides; Sarcoma 180.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652017000502013
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A Rapid and Efficient Method for Purifying High Quality Total RNA from Peaches (Prunus persica) for Functional Genomics Analyses Biol. Res.
MEISEL,LEE; FONSECA,BEATRIZ; GONZÁLEZ,SUSANA; BAEZA-YATES,RICARDO; CAMBIAZO,VERONICA; CAMPOS,REINALDO; GONZALEZ,MAURICIO; ORELLANA,ARIEL; RETAMALES,JULIO; SILVA,HERMAN.
Prunus persica has been proposed as a genomic model for deciduous trees and the Rosaceae family. Optimized protocols for RNA isolation are necessary to further advance studies in this model species such that functional genomics analyses may be performed. Here we present an optimized protocol to rapidly and efficiently purify high quality total RNA from peach fruits (Prunus persica). Isolating high-quality RNA from fruit tissue is often difficult due to large quantities of polysaccharides and polyphenolic compounds that accumulate in this tissue and co-purify with the RNA. Here we demonstrate that a modified version of the method used to isolate RNA from pine trees and the woody plant Cinnamomun tenuipilum is ideal for isolating high quality RNA from the...
Tipo: Journal article Palavras-chave: CDNA library; Fruit; Fruit trees; Functional genomics; Peach; Polysaccharides; Prunus persica; RNA isolation; Rosaceae; RT-PCR.
Ano: 2005 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-97602005000100010
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Anatomical and histochemical aspects of zigotic embryo and leaves in 'Coqueiro Anão' Ciência Rural
Santana,Marlucia Cruz de; Souza,Margarete Magalhães; Pereira,Telma Nair Santana; Teixeira,Sílvio Lopes.
The paper provides information about histochemical staining reactions in leaves and embryos of 'Coqueiro Anão' (Cocos nucifera). It was compared in vitro coconut and autotrophic palm leaves. Reactions for insoluble polysaccharides and acidic compounds, protein, extractable lipids, lignin and other classes of compounds were tested using histochemical tests. None sample gave positive reaction for lignin and phenolic compounds. All the samples gave positive reaction for protein, starch and insoluble polysaccharides while acidic compounds were positive only in in vitro leaves. Both in vitro and autotrophic leaves gave positive reaction for lipids showing presence of cuticle even in in vitro leaves. Only autotrophic palm leaves showed idioblasts containing...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Cocos nucifera; In vitro culture; Polysaccharides; Protein; Lipids.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782010000400019
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Capillary electrophoresis determination of the binding affinity of bioactive sulfated polysaccharides to proteins: study of the binding properties of fucoidan to antithrombin ArchiMer
Varenne, A; Gareil, P; Colliec-jouault, Sylvia; Daniel, R.
The interaction of proteins with polysaccharides represents a major and challenging topic in glycobiology, since such complexes mediate fundamental biological mechanisms. An affinity capillary electrophoresis method has been developed to evidence the complex formation and to determine the binding properties between an anticoagulant polysaccharide of marine origin, fucoidan, and a potential target protein, antithrombin. This method is a variant of zonal electrophoresis in the mobility shift format. A fixed amount of protein was injected into a capillary filled with a background electrolyte containing the polysaccharide in varying concentrations. The effective mobility data of the protein were processed according to classical linearization treatments to...
Tipo: Text Palavras-chave: Antithrombin; Fucoidan; Electrophoresis; Protein interaction; Polysaccharides.
Ano: 2003 URL: http://archimer.ifremer.fr/doc/2003/publication-2114.pdf
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Caracterização do amido de híbridos e variedades comerciais de mandioca plantadas no Paraná. Repositório Alice
PEIXOTO, F. J. B.; SANTANA, H. M.; OLIVEIRA, L. A. de; JESUS, J. L. de; RANGEL, M. A. S.; SANTOS, V. da S..
A mandioca (Manihot esculenta Crantz) é uma das principais culturas responsáveis pela produção de alimento nos trópicos. O amido de mandioca pode ser usado no preparo de inúmeros produtos, como nas indústrias de alimentos, farmacêutica, de papel e celulose, química e têxtil.
Tipo: Parte de livro Palavras-chave: Fator ácido; Mandioca; Amido; Amilose; PH; Cassava; Starch; Polysaccharides; Acidity.
Ano: 2014 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1011128
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Characterization and biological properties of sulfated polysaccharides of Corallina officinalis and Pterocladia capillacea Acta Botanica
Ismail,Mona Mohamed; Amer,Mohamed Saleh.
ABSTRACT Red seaweed possess various sulfated polysaccharides (SPs) that could potentially be exploited as bioactive agents for medical and industrial applications. Crude polysaccharides from the red algae Corallina officinalis (SP1) and Pterocladia capillacea (SP2) were extracted and characterized according to their chemical content and their antioxidant, anti-inflammatory, anticoagulant, antibacterial, antifungal, and antifouling activities. The isolated polysaccharides contained low levels of protein and high levels of carbohydrate and sulfate. The extracted SPs were characterized by Fourier-transform infrared (FTIR) and nuclear magnetic resonance (NMR) spectral data and revealed that SP1 is composed of carrageenan, while SP2 is composed of...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Anticoagulant; Antifouling; Antimicrobial; Antioxidant; Polysaccharides; Red seaweed.
Ano: 2020 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062020000400623
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Colleters in Chamaecrista (L.) Moench sect. Chamaecrista and sect. Caliciopsis (Leguminosae-Caesalpinioideae): anatomy and taxonomic implications Acta Botanica
Silva,Marinalva dos Santos; Coutinho,Ítalo Antônio Cotta; Araújo,Maicon Nascimento; Meira,Renata Maria Strozi Alves.
ABSTRACT The genus Chamaecrista contains ca. 330 species organized into six sections, of which section Chamaecrista is the second largest (ca.75 species) distributed among six series, while the section Caliciopsis contains only two species. Colleters have been described in the genus Chamaecrista and they show potential taxonomic and phylogenetic significance. They are associated with lubrication, desiccation prevention and protection from microbial attacks of young developing organs. Although six types of colleters have been described for the genus Chamaecrista, there have been no studies focusing on the diversity of colleters in the sections Chamaecrista and Caliciopsis. Samples from developing leaves and flowers of both sections were obtained from...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Colleter; Flower; Histochemical analysis; Leaf; Polysaccharides; Secretory structures; Taxonomy.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062017000300382
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Comparative anatomy of calyx and foliar glands of Banisteriopsis C. B. Rob. (Malpighiaceae) Acta Botanica
Araújo,Josiane Silva; Meira,Renata Maria Strozi Alves.
Banisteriopsis is considered one of the largest genera of Malpighiaceae with 58 species, of which 47 occur in Brazil. The typical calyx and leaf glands of Banisteriopsis are considered relevant to the adaptive success of Malpighiaceae. Comparative studies of anatomical and histochemical characteristics may reveal similarities and assist in the interpretation of the functions performed by such glands. The present study aimed to describe the anatomy of the calyx and leaf glands of 38 species ofBanisteriopsis that occur in Brazil, and to analyze these structures histochemically in B. campestris, B. laevifolia and B malifolia, using standard methods. Calyx glands differ from leaf glands by possessing an irregular surface that is covered by a thick cuticle that...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Banisteriopsis; Calyx glands; Histochemistry; Leaf glands; Lipids; Micromorphology; Polysaccharides; Protein.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062016000100112
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Cyclocarya paliurus (Batal.) Iljinskaja polysaccharides alleviate type 2 diabetes mellitus in rats by resisting inflammatory response and oxidative stress Ciênc. Tecnol. Aliment.
YAN,Wensheng; JIANG,Lingjun; XU,Jifen.
Abstract This study aimed to investigate the effects of Cyclocarya paliurus (Batal.) Iljinskaja polysaccharides (CPP) on the glucose-lipid metabolism in T2DM rats. T2DM model was established in 40 Wistar rats which were then randomly divided into model, CPP-1, CPP-2 and CPP-3 groups. Ten normal rats were selected as the control group. The CPP-1, CPP-2 and CPP-3 group were intragastrically administrated with 100, 200 and 400 mg/kg CPP for 4 weeks, respectively. Results showed that, during the treatment, compared with model group, in CPP treatment groups the T2DM symptoms were lightened, and the body weight was improved. After treatment, compared with model group, in CPP-3 group the blood fasting plasma glucose, fasting insulin and glycosylated hemoglobin...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Cyclocarya paliurus (Batal.) Iljinskaja; Polysaccharides; Type 2 diabetes mellitus; Inflammatory response; Oxidative stress.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612019005028102
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Efeito de agentes geleificantes alternativos no meio de cultura no cultivo in vitro de abacaxizeiro e bananeira. Repositório Alice
COSTA, F. H. da S.; PEREIRA, M. A. A.; OLIVEIRA, J. P. de; PEREIRA, J. E. S..
Com este trabalho, objetivou-se avaliar a ação do ágar e sua substituição parcial e total pelo amido de mandioca na composição de meios de cultura de bananeira e abacaxizeiro. Gemas axilares de abacaxizeiro, cvs. Rio Branco e Quinari foram estabelecidas e avaliadas por quatro subcultivos quanto à multiplicação em meio de MS, suplementado com 2 mg.L-1 de BAP e 0,25 mg.L-1 de ANA, e os seguintes tratamentos: M1: ágar (5 g.L-1), M2: ágar (2,5 g.L-1) + fécula de mandioca (60 g.L-1), M3: fécula de mandioca (60 g.L-1), e M4: ágar (2,5 g.L-1) + fécula de mandioca (30 g.L-1). Num segundo experimento, por três subcultivos sucessivos brotações de bananeira da cv. Grand Naine foram avaliadas quanto à multiplicação em meio de cultura composto por: MM1: ágar (6 g.L-1)...
Tipo: Artigo de periódico Palavras-chave: Agente gelificante; Bananos; Agentes de gelificación; Almidón de mandioca; Cultivo in vitro; Micropropagación; Piñas; Polisacáridas.; Banana; Musa sp; Abacaxi; Ananas comosus; Micropropagação; Cultura in vitro; Polissacarídeo; Amido; Agar.; Pineapples; Micropropagation; In vitro culture; Polysaccharides; Gelling agents; Cassava starch..
Ano: 2007 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/498371
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Effects of different extracts of the mushroom Agaricus blazei Murill on the hematologic profile of mice with Ehrlich tumor Arq. Bras. Med. Vet. Zootec.
Verçosa Júnior,D.; Ferraz,V.P.; Duarte,E.R.; Oliveira,N.J. F.; Soto-Blanco,B.; Cassali,G.D.; Melo,M.M..
The aim of this study was to investigate the effect of the mushroom Agaricus blazeii Murril (ABM) extracts on the hematological profile of Swiss mice bearing an Ehrlich solid tumor. Three fractions (total extract, polysaccharides, and supernatant) of ABM extracts obtained by four methods (ultrasonic or water bath, at pH 4 or pH 7) were administered to mice over 21 days. Polysaccharide solutions were analyzed by gas and liquid chromatography that showed both mannose and glucose concentrations. The method of extraction influenced the degree of glucose polymerization and the mannose/glucose relationship. The treatment with ABM supernatant at pH 7 and water bath was associated with reduced concentrations of leukocytes and lymphocytes and altered the percentage...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Mouse; Ehrlich solid tumor; Polysaccharides; Hematological profile.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352015000300679
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Effects of tropical fruit pulps and partially hydrolysed galactomannan from Caesalpinia pulcherrima seeds on the dietary fibre content, probiotic viability, texture and sensory features of goat dairy beverages. Repositório Alice
BURITI, F. C. A.; FREITAS, S. C.; EGITO, A. S. DO; SANTOS, K. M. O. dos.
Abstract: The use of cheese whey and probiotic cultures in the production of dairy beverages has been highly attractive; nonetheless, whey-based goat beverages tend to be poor and watery when compared to fermented milks. The addition of fruits and fibre ingredients might improve texture and mouthfeel of this kind of product. Fermented whey-based goat beverages prepared using Streptococcus thermophilus TA-40 as starter culture, with added guava or soursop pulps, and with or without addition of partially hydrolysed galactomannan from Caesalpinia pulcherrima seeds (PHGM), showed to be good vehicles for Bifidobacterium animalis subsp. lactis BB-12 and Lactobacillus rhamnosus Lr-32, maintaining their viability above 7 log CFU/ml during 21 days. PHGM increased...
Tipo: Separatas Palavras-chave: Food ingredient; Potential dietary fiber; Alimento funcional probiótico; Flamboyant-mirim; Enzima hidrolisada; Fibra dietética; Flamboyanzinho; Galactomanana; Absolute viscosity; Dietary fibres; Fruit pulps; Galactomannan; Milk goat; Caprino; Leite de cabra; Soro de leite; Queijo; Produto derivado do leite; Polpa de fruta; Goma; Polissacarídeo; Viscosidade; Polysaccharides; Viscosity; Cheese whey; Whey; Enzymatic hydrolysis; Bifidobacterium; Galactomannans; Probiotics; Goat cheese; Goats; Caesalpinia pulcherrima.
Ano: 2014 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/997582
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Effects of tropical fruit pulps and partially hydrolysed galactomannan from Caesalpinia pulcherrima seeds on the dietary fibre content, probiotic viability, texture and sensory features of goat dairy beverages. Repositório Alice
BURITI, F. C. A.; FREITAS, S. C. de; EGITO, A. S. do; SANTOS, K. M. O. dos.
Abstract: The use of cheese whey and probiotic cultures in the production of dairy beverages has been highly attractive; nonetheless, whey-based goat beverages tend to be poor and watery when compared to fermented milks. The addition of fruits and fibre ingredients might improve texture and mouthfeel of this kind of product. Fermented whey-based goat beverages prepared using Streptococcus thermophilus TA-40 as starter culture, with added guava or soursop pulps, and with or without addition of partially hydrolysed galactomannan from Caesalpinia pulcherrima seeds (PHGM), showed to be good vehicles for Bifidobacterium animalis subsp. lactis BB-12 and Lactobacillus rhamnosus Lr-32, maintaining their viability above 7 log CFU/ml during 21 days. PHGM increased...
Tipo: Artigo de periódico Palavras-chave: Food ingredient; Potential dietary fiber; Alimento funcional probiótico; Flamboyant-mirim; Enzima hidrolizada; Fibra dietética; Flamboyanzinho; Galactomanana; Absolute viscosity; Dietary fibres; Fruit pulps; Galactomannan; Milk goat; Caprino; Leite de cabra; Soro de leite; Queijo; Produto derivado do leite; Polpa de fruta; Goma; Polissacarídeo; Viscosidade; Goats; Goat cheese; Polysaccharides; Viscosity; Cheese whey; Whey; Enzymatic hydrolysis; Bifidobacterium; Galactomannans; Probiotics; Caesalpinia pulcherrima.
Ano: 2014 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/991077
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Eficiência de formulações de ulvana em induzir resistência em Phaseolus vulgaris contra Colletotrichum lindemuthianum. Repositório Alice
FREITAS, M. B.; MEDUGNO, C. C.; SCHONS, R. F.; STADNIK, M. J..
O presente trabalho objetivou avaliar a eficácia da ulvana, um polissacarídeo proveniente de alga, em induzir resistência em Phaseolus vulgaris contra Colletotrichum lindemuthianum, quando formulada sozinha ou com caulinita, sílica amorfa ou atapulgita e armazenada por 0, 4, 8 ou 12 meses. Após cada período de armazenamento, as formulações e água (controle) foram aplicadas à folhagem de plantas de feijão (cv. Uirapuru, estádio fenológico V4) aos 6 e 3 dias antes da inoculação com C. lindemuthianum. A severidade da antracnose foi estimada em intervalos de 2 dias, com o aparecimento dos primeiros sintomas até 13 dias após a inoculação. A partir dos dados de severidade calculou-se a Área Abaixo da Curva de Progresso da Doença (AACPD). A aplicação de ulvana...
Tipo: Artigo de periódico Palavras-chave: Atapulgita; Caulinita; Sílica amorfa; Ulvana.; Feijão; Colletotrichum lindemuthianum; Antracnose; Polissacarídeo; Controle biológico; Anthracnose; Biological control; Polysaccharides; Beans.
Ano: 2011 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/898329
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Enhancement of cellular activity in hyperglycemic mice dermal wounds dressed with chitosan-alginate membranes BJMBR
Breder,J.S.C.; Pires,A.L.R.; Azevedo,F.F.; Apolinário,P.P.; Cantaruti,T.; Jiwani,S.I.; Moraes,Â.M.; Consonni,S.R.; Araújo,E.P.; Adams,G.G.; Saad,M.J.A.; Lima,M.H.M..
The use of specially designed wound dressings could be an important alternative to facilitate the healing process of wounds in the hyperglycemic state. Biocompatible dressings combining chitosan and alginate can speed up wound healing by modulating the inflammatory phase, stimulating fibroblast proliferation, and aiding in remodeling phases. However, this biomaterial has not yet been explored in chronic and acute lesions of diabetic patients. The aim of this study was to evaluate the effect of topical treatment with a chitosan-alginate membrane on acute skin wounds of hyperglycemic mice. Diabetes mellitus was induced by streptozotocin (60 mg · kg-1 · day-1 for 5 days, intraperitoneally) and the cutaneous wound was performed by removing the epidermis using...
Tipo: Info:eu-repo/semantics/article Palavras-chave: C57BL/6J mice; Wound healing; Wound dressing; Polysaccharides; Diabetes.
Ano: 2020 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2020000100602
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Etude de la biosynthèse des polysaccharides bactériens : vers la production recombinante d'hétéropolysaccharide ArchiMer
Lebellenger, Lou.
The marine bacteria Vibrio diabolicus produces an exopolysaccharide (EPS) called HE800. The native form of HE800 has already shown biological efficiency in bone healing. It is studied as glycosaminoglycan-mimetic for applications in cosmetic and human health. To enhance biotechnological applications of polysaccharides, the chemical structures should be properly controlled; moreover, the production yield could also be a bottleneck. The genetic cluster of the HE800 EPS biosynthesis has been identified in 2014. However, the biosynthesis molecular mechanisms and regulations remain sometimes unclear. The main objective of this work is to obtain a recombinant production of the HE800 EPS in the common host Escherichia coli, to improve the knowledge of its...
Tipo: Text Palavras-chave: Vibrio diabolicus; Polysaccharides; HE800; GAGmimétiques; Biosynthèse; Vibrio diabolicus; Polysaccharides; HE800; GAGmimetics; Biosynthesis..
Ano: 2017 URL: https://archimer.ifremer.fr/doc/00497/60911/64261.pdf
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Etude de la réponse immunitaire chez l'huître Crassostrea gigas : caractérisation et fonctions de protéines de reconnaissance aux LPS et d'effecteurs antimicrobiens ArchiMer
Gonzalez, Marcelo.
Research on the immune response of oysters is motivated by the problems of infectious diseases potentially found in the farms. Over the course of the last few years, the development of genomic approaches has allowed us to make headway on characterising genes involved in the cup oyster's (Crassostrea gigas) innate immunity, particularly thanks to various programmes for analysing transcriptome, of type EST (Express Sequence Tag) and subtractive banks. Within the context of this work, over the course of which we have used the data from genomic research and we have also developed biochemical approaches, we were particularly interested in studying the proteins involved in reconnaissance reactions to LPS as well as to antimicrobial effectors. In an earlier part,...
Tipo: Text Palavras-chave: Defense peptides; Polysaccharides; LPS; Hemocytes; Immune response; Crassostrea gigas; Shellfish culture; LPS; Défensine; Peptides antimicrobiens; LBP; BPI; Superoxide dismutase; Hémocytes; Crassostrea gigas; Huître; Mollusque; Immunité.
Ano: 2005 URL: http://archimer.ifremer.fr/doc/2005/these-2098.pdf
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Evaluation of sorghum germplasm for resistance to insect pests Open Agri
H.C..
Palavras-chave: Biological interaction; Sorghum; Genotypes; Germplasm; Animal developmental stages; Grain; Diapause; Sowing date; Eggs; Polysaccharides.
Ano: 2003 URL: http://agropedia.iitk.ac.in/openaccess/?q=node/4232
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Extração de polifenóis, mangiferina e pectina da casca de manga (Mangifera indica L.) cv. Tommy Atkins utilizando sistema pressurizado. Repositório Alice
CAVALCANTE, M. M. da S.
A manga (Mangifera indica L.) faz parte da família dos Anacardiaceae. O Brasil é um país de grande atividade agroindustrial e, com isso, produz uma quantidade considerável de resíduos que podem ser aproveitados para a obtenção de compostos fenólicos, mangiferina e pectina, que possuem aplicabilidade nas indústrias farmacêuticas, cosméticos, químicas e alimentícias. Dessa forma, o objetivo do presente trabalho foi avaliar o processo de extração de polifenóis, mangiferina e pectina da casca de manga. As extrações foram realizadas utilizando as técnicas de extração por solvente pressurizado (ESP) e a extração por soxhlet (técnica convencional). As condições de processo para o Soxhlet foram: 600 mL de metanol P.A na proporção de 1:60 (m/v) e no tempo de 9 h,...
Tipo: Teses Palavras-chave: Tommy Atkins; ESP; Polysaccharides.
Ano: 2018 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1105093
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