Consulta: subjectFacets:"Sugars"
Registros recuperados: 21
Data/hora: 10/06/2024 15:20:24

Respuestas agronómicas y fisiológicas del tulipán (Tulipa gesneriana L.) al lantano.
Provedor de dados: Depósito Institucional Abierto de Documentos Digitales del Colegio de Postgraduados (COLPOS DIGITAL )
Autores: Ramírez Martínez, Maribel.
En esta investigación se presentan resultados de tres experimentos para evaluar el efecto del suministro de lantano (La) en variables agronómicas y fisiológicas de tulipán en solución nutritiva. En el experimento uno se evaluó el efecto del suministro de La (5, 10, 20, 30 y 40 µM) y dos fuentes [LaCl3 y La(NO3)3] durante el ciclo de cultivo de tulipán var. Ile de France, sobre la tasa de crecimiento absoluto (TCA), tasa de crecimiento relativo (TCR), acumulación y distribución de materia seca y acumulación nutrimental. Por efecto de fuente de La no se observaron diferencias significativas. Se observó que la concentración 20 µM La3 aceleró la emergencia, expansión de hoja y floración en comparación con el testigo; por el contrario, concentraciones mayores...
Palavras-chave: Fenología; Materia seca; Concentración; Altura de planta; Diámetro; Clorofilas; Proteínas; Azúcares; Vida en florero; Variedad; Solución preservadora; Phenology; Dry matter; Concentration; Plant height; Diameter; Chlorophyll; Proteins; Sugars; Vase life; Preservation solution; Doctorado; Edafología.
Ano: 2011
URL: http://hdl.handle.net/10521/380

Estimadores de fotosíntesis en selecciones de zapote mamey (Pouteria sapota (Jacq.) H. E. Moore &amp; Stearn).
Provedor de dados: Depósito Institucional Abierto de Documentos Digitales del Colegio de Postgraduados (COLPOS DIGITAL )
Autores: Ledesma Miramontes, Alejandro.
En frutales, debido a que no es práctico eliminar toda la planta para evaluar fotosíntesis es necesario utilizar estimadores para este proceso. Con el fin de conocer las diferencias que existen en la actividad fotosintética en seis selecciones injertadas de zapote mamey se evaluaron diferentes estimadores. La investigación se llevó a cabo en una huerta comercial en el municipio de Alpoyeca Gro. Se utilizaron árboles de 3 y 4 años. Las variables evaluadas fueron: peso específico de la hoja (PEH), grosor de la hoja, frecuencia y tamaño de estomas, contenido de clorofila, concentración de azúcares y medición del intercambio de gases. El diseño experimental utilizado, fue completamente al azar, con diferente número de repeticiones dependiendo de la variable....
Palavras-chave: Pouteria sapota; Sapotaceae; Grosor de hoja; Estomas; Azúcares; Leaf thickness; Stomata; Sugars; Maestría; Fruticultura.
Ano: 2011
URL: http://hdl.handle.net/10521/411

Calidad e inocuidad de jitomate (Lycopersicum esculentum L.) fresco almacenado a diferentes temperaturas: relación del contenido de azúcares y ácidos orgánicos con la adherencia de Escherichia coli (ECET).
Provedor de dados: Depósito Institucional Abierto de Documentos Digitales del Colegio de Postgraduados (COLPOS DIGITAL )
Autores: Ibarra Cantún, Diego.
La inocuidad es un requisito importante de aceptación en el jitomate (Lycopersicum esculentum L.), para permitirle abrir nuevos mercados. En los que además, el fruto debe cumplir con ciertos estándares de calidad relacionados con sus propiedades físicas y químicas. El presente trabajo tuvo como objetivo determinar las propiedades físicas y químicas del fruto de jitomate almacenado a diferentes temperaturas en presencia de Escherichia coli (ECET). Se utilizaron frutos de jitomate variedad Charleston, cultivados en invernadero de hidroponía en el Municipio de Aquixtla, Puebla. Los frutos se sometieron a dos temperaturas de almacenamiento (7 y 22°C), inoculados con 7 log10UFC/mL de E. coli (ECET). Se evaluaron algunas  propiedades físico-químicas como color,...
Palavras-chave: Azúcares; Acidos orgánicos; Adherencia; Lycopersicum esculentum; Adherence; Organic acids; Sugars; Estrategias para el Desarrollo Agrícola Regional; EDAR.
Ano: 2012
URL: http://hdl.handle.net/10521/1696

Respuestas agronómicas y fisiológicas del tulipán (Tulipa gesneriana L.) al lantano.
Provedor de dados: Depósito Institucional Abierto de Documentos Digitales del Colegio de Postgraduados (COLPOS DIGITAL )
Autores: Ramírez Martínez, Maribel.
En esta investigación se presentan resultados de tres experimentos para evaluar el efecto del suministro de lantano (La) en variables agronómicas y fisiológicas de tulipán en solución nutritiva. En el experimento uno se evaluó el efecto del suministro de La (5, 10, 20, 30 y 40 µM) y dos fuentes [LaCl3 y La(NO3)3] durante el ciclo de cultivo de tulipán var. Ile de France, sobre la tasa de crecimiento absoluto (TCA), tasa de crecimiento relativo (TCR), acumulación y distribución de materia seca y acumulación nutrimental. Por efecto de fuente de La no se observaron diferencias significativas. Se observó que la concentración 20 µM La3 aceleró la emergencia, expansión de hoja y floración en comparación con el testigo; por el contrario, concentraciones mayores...
Palavras-chave: Fenología; Materia seca; Concentración; Altura de planta; Diámetro; Clorofilas; Proteínas; Azúcares; Vida en florero; Variedad; Solución preservadora; Phenology; Dry matter; Concentration; Plant height; Diameter; Chlorophyll; Proteins; Sugars; Vase life; Preservation solution; Doctorado; Edafología.
Ano: 2011
URL: http://hdl.handle.net/10521/380

Estimadores de fotosíntesis en selecciones de zapote mamey (Pouteria sapota (Jacq.) H. E. Moore &amp; Stearn).
Provedor de dados: Depósito Institucional Abierto de Documentos Digitales del Colegio de Postgraduados (COLPOS DIGITAL )
Autores: Ledesma Miramontes, Alejandro.
En frutales, debido a que no es práctico eliminar toda la planta para evaluar fotosíntesis es necesario utilizar estimadores para este proceso. Con el fin de conocer las diferencias que existen en la actividad fotosintética en seis selecciones injertadas de zapote mamey se evaluaron diferentes estimadores. La investigación se llevó a cabo en una huerta comercial en el municipio de Alpoyeca Gro. Se utilizaron árboles de 3 y 4 años. Las variables evaluadas fueron: peso específico de la hoja (PEH), grosor de la hoja, frecuencia y tamaño de estomas, contenido de clorofila, concentración de azúcares y medición del intercambio de gases. El diseño experimental utilizado, fue completamente al azar, con diferente número de repeticiones dependiendo de la variable....
Palavras-chave: Pouteria sapota; Sapotaceae; Grosor de hoja; Estomas; Azúcares; Leaf thickness; Stomata; Sugars; Maestría; Fruticultura.
Ano: 2011
URL: http://hdl.handle.net/10521/411

Chemical and physical composition of grain-type and food-type soybean for food processing
Provedor de dados: Pesquisa Agropecuária Brasileira
Autores: Silva,Josemeyre Bonifácio da; Carrão-Panizzi,Mercedes Concórdia; Prudêncio,Sandra Helena.
The objective of this work was to evaluate the chemical and physical characteristics of grains of soybean (Glycine max) cultivars for food processing. The soybean cultivars evaluated were: grain-type - BRS 133 and BRS 258; food-type - BRS 213 (null lipoxygenases), BRS 267 (vegetable-type) and BRS 216 (small grain size). BRS 267 and BRS 216 cultivars showed higher protein content, indicating that they could promote superior nutritional value. BRS 213 cultivar showed the lowest lipoxygenase activity, and BRS 267, the lowest hexanal content. These characteristics can improve soyfood flavor. After cooking, BRS 267 cultivar grains presented a higher content of aglycones (more biologically active form of isoflavones) and oleic acid, which makes it proper for...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Glycine max; Amino acids; Fatty acids; Hexanal; Isoflavones; Lipoxygenases; Sugars.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2009000700019

Diurnal variations of non-structural carbohydrates in vegetative tissues of Melinis minutiflora, Echinolaena inflexa and Lolium multiflorum (Poaceae)
Provedor de dados: Revista Brasileira de Botânica
Autores: Souza,Amanda de; Sandrin,Carla Z.; Moraes,Moemy G.; Figueiredo-Ribeiro,Rita de Cássia L.
Echinolaena inflexa (Poir.) Chase is a native C3 grass species with high biomass production and abundance in the cerrado comparable to Melinis minutiflora Beauv., a C4 forage grass of African origin, widespread in the cerrado, displacing some native herbaceous species. These species accumulate mainly starch, differently of Lolium multiflorum Lam. ssp. italicum Beck cv. Lema (ryegrass), a C3 temperate forage grass that accumulates fructans as the major storage carbohydrate in the vegetative tissues. In the present study, we analyzed diurnal variations in the content and composition of non-structural carbohydrates (NSC) in the aerial vegetative parts of the three species. Results showed similarity in water-soluble carbohydrates (WSC) and starch contents...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Cerrado; Fructans; Panicoideae; Pooideae; Starch; Sugars.
Ano: 2005
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-84042005000400010

Reserve substances and storage of Cyathea delgadii Sternb. spores
Provedor de dados: Revista Brasileira de Botânica
Autores: SIMABUKURO,ELIANA A.; CARVALHO,MARIA ANGELA M. DE; FELIPPE,G. M.
The spores used were collected from a population of trees of Cyathea delgadii Sternb. growing in a gallery forest at the Reserva Biológica e Estação Experimental de Moji Guaçu, São Paulo state, Brazil (22°18’S and 47°11’W). The germination of spores of Cyathea delgadii decreases with time when kept in closed bottles under storage at 4°C in darkness. Germination is still very high after storage for one year. Spores stored for three years do not germinate. The results also show a decrease in soluble proteins and an increase in starch after several months storage.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Tree fern; Pteridophyta; Lipids; Proteins; Sugars.
Ano: 1998
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-84041998000200006

Effects of fruiting on the growth of Arabica coffee trees as related to carbohydrate and nitrogen status and to nitrate reductase activity
Provedor de dados: Revista Brasileira de Fisiologia Vegetal
Autores: AMARAL,JOSÉ A.T.; DA MATTA,FÁBIO M.; RENA,ALEMAR B.
Active vegetative and reproductive growth in field-grown trees of Coffea arabica L. in Viçosa (20º45’S, 650 m altitude), south-eastern Brazil, occur concurrently. The overall patterns of branch growth and leaf area gain were to a certain extent altered by fruit removal, with growth rates being remarkably greater in de-fruited trees. The content of N-NO3 was not affected by fruiting, whilst that of amino-N was greater in de-fruited than fruiting trees most of the time, but the differences were not large enough to have significantly contributed to the increased growth rates in de-fruited trees. Leaf nitrate reductase activity was greater in plants bearing fruit than in non-bearing ones most of the time; activity was roughly inversely associated with growth....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Amino acids; Ammonium; Coffea arabica; Nitrate; Starch; Sugars; Temperature.
Ano: 2001
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-31312001000100008

ETHEPHON AND CALCIUM CHLORIDE, A COMBINATION THAT IMPROVES SKIN COLOR OF ‘RUBI’ TABLE GRAPE
Provedor de dados: Revista Brasileira de Fruticultura
Autores: Scavroni,Joseane; Ferreira,Leonardo Cesar; Ferrarese,Maria de Lourdes Lucio; Ono,Elizabeth Orika; Rodrigues,João Domingos.
ABSTRACT  ‘Rubi’ table grape has wide acceptance of the consumer market due to its affordable price and attractive color as a function of the accumulation of anthocyanins. However, environmental conditions do not always favor the suitable accumulation of these pigments, resulting in commercial devaluation and nutritional depreciation of fruits. Thus, the present study aimed to investigate the effect of application of different ethephon concentrations, associated or not with CaCl2 application, on the skin color and quality of ‘Rubi’ grape berries. First, specific traits of berries treated with 0, 200, 400, 600, 800 mg L-1 ethephon associated with 1.5% CaCl2 solution were evaluated and pH, titratable acidity (TA), soluble solids (SS), berry firmness, total...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Vitis vinifera L.; Ethylene; Calcium; Anthocyanins; Flavonols; Sugars; Phenylalanine ammonia lyase; Glutathione S-transferase.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-29452018000100103

Impact of genotype on fatty acid profile, oil content and nutritional value of the sweet fruits of Acrocomia aculeata
Provedor de dados: Revista Brasileira de Fruticultura
Autores: Antoniassi,Rosemar; Freitas,Sidinea Cordeiro de; Silva,Tania dos Santos; Santiago,Manuela Cristina Pessanha de Araujo; Wilhelm,Allan Eduardo; Junqueira,Nilton Tadeu Vilela.
Abstract  Macauba (Acrocomia aculeata) has mainly been evaluated as an oil source focused on biodiesel production. Furthermore, the fruit mesocarp and kernel are edible, and candies, jelly, sweet alcoholic liquor and ice cream are also produced from the mesocarp. Despite its consumption, there is still a lack of information on the nutritional composition of macauba. Selected macauba genotypes producing fruits with a sweet mesocarp were evaluated regarding the fruit characteristics, proximate composition, oil content and fatty acid profile. The mesocarp total sugar (fructose and glucose) content ranged from 4.5 to 9.6 g/100 g, total dietary fiber varied from 6.8 to 9.3 g/100 g, while protein content was up to 2.2 g/100 g (wet basis). There was a significant...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Macauba; Total dietary fiber; Sugars; Mesocarp; Kernel.
Ano: 2020
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-29452020000600902

Chlorophyll and carbohydrates in Arachis pintoi plants under influence of water regimes and nitrogen fertilization
Provedor de dados: Revista Brasileira de Zootecnia
Autores: Sales,Rita Manuele Porto; Fries,Daniela Deitos; Pires,Aureliano José Vieira; Bonomo,Paulo; Santos,Iasminy Silva; Campos,Cleide Nascimento; Brito,Paulo Henrique Rodrigues; Brito,Mateus Santos.
In this experiment the chlorophyll and carbohydrate contents of Arachis pintoi were evaluated to verify if the presence of nitrogen in the soil could contribute to the effectiveness of the establishment of this legume. The design was completely randomized, in a 4 × 4 factorial arrangement, with four N rates (0, 40, 80 and 120 kg ha-1) and four irrigation levels (25, 50, 75 and 100% of field capacity), with four replications. The biochemical evaluations of chlorophylls a and b and total chlorophyll and total soluble sugars, sucrose and starch were performed. The highest contents of chlorophyll a and b and total chlorophyll in leaves were found at the dose of 120 kg ha-1. The water regime of 25% of field capacity was responsible for the lowest content of...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Development; Field capacity; Legume; Starch; Sugars.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982013000600002

Physico-chemical characteristics of honey produced by Apis mellifera in the Picos region, state of Piauí, Brazil
Provedor de dados: Revista Brasileira de Zootecnia
Autores: Sodré,Geni da Silva; Marchini,Luís Carlos; Moreti,Augusta Carolina de Camargo Carmello; Otsuk,Ivani Pozar; Carvalho,Carlos Alfredo Lopes de.
The objectives of this research were to determine physico-chemical characteristics of 1,758 Apis mellifera L. honey samples produced by in the productive pole of Picos, state of Piauí, to understand, based on these characteristics, how they are grouped and to determine the percentage of honey that fit the specifications determined by Brazilian legislation. Thirty-five honey samples were collected directly from beekeepers for determination of total sugars, reducing sugars, apparent sucrose, humidity, diastase activity, hydroxymethylfurfural (HMF), protein, ash, pH, acidity, formol index, electrical conductivity, viscosity and color. Mean values of each one of the analyzed physico-chemical parameters are within the limits established by the current Brazilian...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Honey bee; Hydroxymethylfurfural; Moisture; Sugars.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982011000800030

Methodological challenges in carbohydrate analyses
Provedor de dados: Revista Brasileira de Zootecnia
Autores: Hall,Mary Beth.
Carbohydrates can provide up to 80% of the dry matter in animal diets, yet their specific evaluation for research and diet formulation is only now becoming a focus in the animal sciences. Partitioning of dietary carbohydrates for nutritional purposes should reflect differences in digestion and fermentation characteristics and effects on animal performance. Key challenges to designating nutritionally important carbohydrate fractions include classifying the carbohydrates in terms of nutritional characteristics, and selecting analytical methods that describe the desired fraction. The relative lack of information on digestion characteristics of various carbohydrates and their interactions with other fractions in diets means that fractions will not soon be...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Analysis; Carbohydrate; Fiber; Starch; Sugars.
Ano: 2007
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982007001000032

Waterlogging-induced changes in fermentative metabolism in roots and nodules of soybean genotypes
Provedor de dados: Scientia Agricola
Autores: Borella,Junior; Amarante,Luciano do; Oliveira,Denise dos Santos Colares de; Oliveira,Ana Claudia Barneche de; Braga,Eugenia Jacira Bolacel.
Waterlogging blocks the oxygen supply to the root system which inhibits respiration, and greatly reduces the energy status of cells that affect important metabolic processes. This study evaluated fermentative metabolism and carbohydrate contents in the root system of two soybean (Glycine max L. Merril) genotypes under hypoxic and post-hypoxic conditions. Nodulated plants (genotypes Fundacep 53 RR and BRS Macota) were grown in vermiculite and transferred to a hydroponic system at the reproductive stage. The root system was submitted to hypoxia by flowing N2 (nitrogen) gas in a solution for 24 and 72 h. For recovery, plants returned to normoxia condition by transfer to vermiculite for 24 and 72 h. Fermentative enzyme activity, levels of anaerobic metabolites...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Glycine max; Oxygen deficiency; Enzyme activities; Anaerobic metabolites; Sugars.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162014000600009

Screening of sweet sorghum accessions for inhibition of secondary sporulation and saccharide measurements in honeydew of Claviceps africana
Provedor de dados: Tropical Plant Pathology: fitopatologia brasileira
Autores: Bogo,Amauri; Mantle,Peter G; Harthmann,Oscar E. L.
Certain sweet sorghums (Sorghum bicolor) inhibit the secondary sporulation of Claviceps africana, which occurs on exuded ergot honeydew when the parasite is supplied with excess sucrose, which is then transformed to unique free oligosaccharides fructosyl - mannitol and difructosyl - mannitol with spore germination inhibiting properties. Five accessions (BRA-035726-SUGAR DRIP, BRA-035696-THEIS, BRA-036013-MN-4578, BRA-035947-MN-4418 and CMSXS-633) of sweet sorghum were selected among 50 evaluated. These five accessions failed to support secondary sporulation on the "honeydew" exuded from infected florets. There was a higher concentration (%w/v) of the free oligosaccharides on the honeydew of these accessions when compared to a hybrid male-sterile grain...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Sorghum bicolor; Germplasm bank; Sugars.
Ano: 2004
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-41582004000100013

Taxonomic value of histochemical features of the style in early lineages of Asteraceae
Provedor de dados: Acta Botanica Brasilica
Autores: Hernández,Marcelo Paulo; Katinas,Liliana; Arambarri,Ana María.
In this paper we examine lipophilic substances, tannins, proteins, reducing carbohydrates, starch, and oxalate salts in early lineages of Asteraceae to test if they are a useful complement to classification studies. Styles of mature flowers of 44 species were processed according to plant histochemical techniques and observed by means of a light microscope. Lipophilic compounds were always present in the cuticle and cell walls, and in some species were located inside the cells. Proteins were located in the style cell walls and cell interior of most of the analyzed species. No tannins were found. In general, there is a correlation in the presence of reducing sugars and proteins. Starch granules and oxalate salts were found in the style parenchyma of a few...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Compositae; Crystal salts; Lipophilic substances; Proteins; Starch; Sugars; Taxonomy.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062015000400575

Determination of endogenous IAA and carbohydrates during the induction and development of protocorm-like bodies of Cattleya tigrina A. Richard
Provedor de dados: Acta Scientiarum: Biological Sciences
Autores: De Conti, Daniela; Corredor-Prado, Jenny Paola; Roecker Junior, Djalma; Suzuki, Rogério Mamoru; Guerra, Miguel Pedro; Pescador, Rosete.
 Tissue culture techniques have been employed for orchid mass propagation by means of the morphogenetic route of protocorm like-bodies (PLBs). This study aimed to analyze and compare Indole-acetic acid (IAA) and sugar endogenous levels in protocorm-like bodies (PLBs) induction and development in Cattleya tigrina, in order to better understand this process and to optimize micropropagation procedure protocols. Leaves grown on MS (Murashige and Skoog) culture medium, suplemented with 9 μM TDZ for PLBs induction and development were collected after 0, 2, 7, 14, 30, 60 and 100 days of cultivation, for further analysis. Increase of IAA and reduction of sugar levels are strongly related to morphogenetic response, that is, PLBs formation over the preexisting ones...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Orchid; Hormones; Sugars; Morphogenesis.
Ano: 2018
URL: http://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/37874

Soluble carbohydrate content variation in Sanionia uncinata and Polytrichastrum alpinum, two Antarctic mosses with contrasting desiccation capacities
Provedor de dados: Biological Research
Autores: Zúñiga-González,Paz; Zúñiga,Gustavo E; Pizarro,Marisol; Casanova-Katny,Angélica.
BACKGROUND: Cryptogamic vegetation dominates the ice-free areas along the Antarctic Peninsula. The two mosses Sanionia uncinata and Polytrichastrum alpinum inhabit soils with contrasting water availability. Sanionia uncinata grows in soil with continuous water supply, while P. alpinum grows in sandy, non-flooded soils. Desiccation and rehydration experiments were carried out to test for differences in the rate of water loss and uptake, with non-structural carbohydrates analysed to test their role in these processes. RESULTS: Individual plants of S. uncinata lost water 60 % faster than P. alpinum; however, clumps of S. uncinata took longer to dry than those of P. alpinum (11 vs. 5 h, respectively). In contrast, rehydration took less than 10 min for both...
Tipo: Journal article
Palavras-chave: Antarctica; Antarctic vegetation; Bryophytes; Sugars.
Ano: 2016
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-97602016000100006

Reserve carbohydrates and lipids from the seeds of four tropical tree species with different sensitivity to desiccation
Provedor de dados: Brazilian Archives of Biology and Technology
Autores: Mello,Juliana Iura de Oliveira; Barbedo,Claudio José; Salatino,Antonio; Figueiredo-Ribeiro,Rita de Cássia Leone.
Considering the importance of water content for the conservation and storage of seeds, and the involvement of soluble carbohydrates and lipids for embryo development, a comparative study was carried out among the seeds of Inga vera (ingá), Eugenia uniflora (pitanga), both classified as recalcitrant, and Caesalpinia echinata (brazilwood) and Erythrina speciosa (mulungu), considered as orthodox seeds. Low concentrations of cyclitols (0.3-0.5%), raffinose family oligosaccharides (ca. 0.05%) and unsaturated fatty acids (0-19%) were found in the seeds of ingá and pitanga, while larger amounts of cyclitols (2-3%) and raffinose (4.6-13%) were found in brazilwood and mulungu, respectively. These results, in addition to higher proportions of unsaturated fatty acids...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Desiccation tolerance; Fatty acids; Seeds; Starch; Sugars.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132010000400019

Partitioning of water soluble carbohydrates in vegetative tissues of Lolium multiflorum Lam. ssp. italicum cv. Lema
Provedor de dados: Brazilian Journal of Plant Physiology
Autores: Sandrin,Carla Zuliani; Domingos,Marisa; Figueiredo-Ribeiro,Rita de Cássia Leone.
In temperate grasses, fructans are the major storage polysaccharides, being accumulated mainly in mature leaf sheaths, and also in the roots. The partitioning of carbohydrates within different organs regulates plant growth and development. The aim of the present work was to analyze the partitioning of water soluble carbohydrates in five different parts (elongating leaf blades, expanded leaf blades, upper and lower segments of the stubble, and roots) of plants of L. multiflorum cv. Lema, in order to contribute to an understanding of soluble carbohydrates distribution in these plants. Soluble carbohydrates and total fructose were analyzed in plants cultivated during 4 months in a glasshouse, by colorimetric, TLC and HPAEC-PAD techniques. Results showed that...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Fructan; Grass; Italian ryegrass; Sugars.
Ano: 2006
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1677-04202006000200006