Fatores antinutricionais da casca e da polpa desidratada de café (Coffea arabica L.) armazenadas em diferentes períodos

Barcelos, Adauto Ferreira; Paiva, Patrícia Duarte de Oliveira; Pérez, Juan Ramón Olalquiaga; Santos, Vander Bruno dos; Cardoso, Roberto Maciel

doi:10.1590/s1516-35982001000500028

Cited by 22 publications

(19 citation statements)

References 9 publications

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“…The caffeine values were lower than those reported by Barcelos et al (2001), who observed an average of 8.70 mg g −1 in dehydrated coffee pulp from three varieties grown in Brazil. Molina et al (1990), fermenting coffee pulp with urea and dicalcium phosphate and inoculated it with Aspergillus niger, found that the percentage of caffeine decreased from 9.80 to 7.2 mg kg −1 .…”

Section: Discussioncontrasting

confidence: 82%

Changes in composition, antioxidant content, and antioxidant capacity of coffee pulp during the ensiling process

et al. 2014

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-The objective of the present study was to determine the nutritive value, the presence of antioxidant compounds, and the antioxidant capacity of coffee pulp ensiled or non-ensiled. Dry matter (DM), crude protein (CP), ash, acid detergent fiber (ADF), neutral detergent fiber (NDF), and lignin, as well as the antioxidant compounds present in coffee pulp and their antioxidant capacity, were determined. A completely randomized design was used. Data were analyzed by analysis of variance. Ensiling of coffee pulp increased the CP content from 98.6 to 111.6 g kg −1 DM, NDF from 414.6 to 519.5 g kg −1 DM, ADF from 383.9 to 439.3 g kg −1 DM, and lignin from 122.9 to 133.6 g kg −1 DM. Caffeine decreased from 5.72 to 5.02 mg g −1 DM. Three antioxidant compounds were detected. Caffeic acid decreased due to ensiling (16.49 vs 14.69 mg g −1 DM). Gallic acid (2.88 vs 2.58 mg g −1 DM) and chlorogenic acid (62.12 vs 56.00 mg g −1 DM) did not differ, and there was similar antioxidant capacity of non-ensiled (215.66 µmol trolox g −1 DM) and ensiled coffee pulp (206.59 µmol trolox g −1 DM). Despite the decrease in the caffeic acid content due to the ensiling process, it is possible to use either ensiled or non-ensiled coffee pulp for animal feeding because of its high antioxidant capacity.

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Section: Discussioncontrasting

confidence: 82%

Changes in composition, antioxidant content, and antioxidant capacity of coffee pulp during the ensiling process

et al. 2014

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“…Isso pode ter ocorrido devido à barreira física imposta pelo pergaminho. O pergaminho da semente de café é um componente fibroso, composto basicamente por 37% de celulose, 25% de hemicelulose e de 9,3% a 13,5% de lignina em base seca (Barcelos et al, 2002) (Meireles et al, 2007). Além da barreira à entrada de água e gases, o pergaminho também dificulta o crescimento do embrião, através de mecanismos inerentes a sua rigidez (Válio, 1976).…”

Section: Methodsunclassified

Efeito de Colletotrichum gloeosporioides Penz, agente etiológico da mancha manteigosa, na germinação e viabilidade de sementes de cafeeiro

Carvalho

Souza

Abreu

et al. 2012

Rev. bras. sementes

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Effect of Colletotrichum gloeosporioides Penz agent of blister spot on the germination and seed viability of coffee cultivars ABSTRACT -The objective of this study was to evaluate the influence of Colletotrichum gloeosporioides on the seed health, germination, viability and vigor of different coffee cultivars. Seeds of the Catuaí Vermelho cultivar, with symptoms of blister spot, and of healthy cultivars of Catuaí Vermelho IAC 44 and Mundo Novo 379-19 were inoculated with C. gloeosporioides, by direct contact with the fungus colony for 0; 24; 48; 72; 96 and 120 hours. The variables analyzed were: health with the Blotter test, germination, speed of emergence and seed viability by tetrazolium test. There was an increased incidence of C. gloeosporioides with increasing exposure to the fungus, with 26.0% in Catuaí Vermelho, 21.5% in Catuaí IAC-44 (21.5%) and 11.0% in Mundo Novo IAC 379-19. C. gloeosporioides affected the germination and seed emergence rate of Catuaí Vermelho and Catuaí Vermelho IAC 44 after 96 hours of exposure to the fungus. The effect of C. gloeosporioides on coffee germination and seedling establishment varies with cultivar susceptibility, the presence of parchment and time of exposure to the fungus, but viability decreases with increasing exposure time to the fungus.

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“…A casca de café apresenta em sua composição compostos como taninos, cafeína e polifenóis (como o ácido clorogênico) (BARCELOS et al, 2001).…”

Section: Tabelaunclassified

Produtos naturais no comportamento defensivo de Apis mellifera L.

Lomele

Evangelista

Ito

et al. 2010

Acta Sci. Anim. Sci.

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RESUMO.Os objetivos do estudo foram investigar a influência de produtos naturais como capim-limão (Cymbopogon citratus), folhas de abacateiro (Persea americana), casca de café (Coffea arabica) e sementes de mamona (Ricinus communis) na defensividade de Apis mellifera, e avaliar o efeito destes produtos no desenvolvimento populacional da colmeia. O comportamento defensivo foi avaliado por meio do tempo da primeira ferroada (TPF), número de ferrões (NFB) e, o desenvolvimento populacional, pela área de cria aberta e fechada. Observou-se que o tratamento fumaça + sete sementes de mamona apresentou aumento significativo no TPF, em relação ao tratamento sem e com fumaça de maravalha. Com relação ao NFB, verificou-se que os tratamentos fumaça de maravalha + sete sementes de mamona e fumaça de maravalha + 20% de folhas de café foram diferentes do tratamento sem e com fumaça. Os demais tratamentos não diferiram significativamente em relação ao uso da fumaça ou sua ausência. A casca de café e a semente de mamona não interferiram no desenvolvimento populacional, sugerindo que estes compostos não foram tóxicos. Pode-se concluir que o uso de sementes de mamona e casca de café na fumaça pode representar importante ferramenta para a redução da defensividade, sem promover toxicidade para A. mellifera.Palavras-chave: apicultura, defensividade, manejo.ABSTRACT. Natural products in the defensive behaviour of Apis mellifera L. The goal was to investigate the influence of natural products such as lemongrass (Cymbopogon citratus), dried avocado leaves (Persea americana), coffee husk (Coffea arabica) and castor bean (Ricinus communis) in the defense of Apis mellifera, as well the effect of these products on the population development of the beehive. Defensive behavior was evaluated by time of first sting (TFS) and number of stingers (NS), and population development, by open brood area and operculated brood. It was observed that the treatment with smoke + seven castor beans presented significant increase in the TFS, for treatment without and with smoke. Regarding NS, it was verified that the treatments with smoke + seven castor bean and smoke + 20% coffee husk were different from the treatment without and with smoke. The other treatments did not differ significantly with respect to the use of smoke or its absence. The application of coffee husk and castor bean did not interfere in the development of the population, suggesting that these compounds were not toxic. It can be concluded that the use of castor bean and coffee husk in smoke may represent an important tool for the reduction of defensiveness, without promoting toxicity for A. mellifera.

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Fatores antinutricionais da casca e da polpa desidratada de café (Coffea arabica L.) armazenadas em diferentes períodos

Cited by 22 publications

References 9 publications

Changes in composition, antioxidant content, and antioxidant capacity of coffee pulp during the ensiling process

Changes in composition, antioxidant content, and antioxidant capacity of coffee pulp during the ensiling process

Efeito de Colletotrichum gloeosporioides Penz, agente etiológico da mancha manteigosa, na germinação e viabilidade de sementes de cafeeiro

Produtos naturais no comportamento defensivo de Apis mellifera L.

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