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Ascorbic acid and pectin in different sizes and parts of citric fruits Ciênc. Tecnol. Aliment.
Ywassaki,Larissa Akemi; Canniatti-Brazaca,Solange Guidolin.
Citric fruits - in natura, as frozen pulp or even as juice - are one of the most important Brazilian exportation products. They are a source of ascorbic acid - a potent antioxidant, and pectin, which is used in the food industry and is an important dietary fiber. This project aims to quantify ascorbic acid and pectin contents in citric fruits, commercial oranges and tangerines, comparing them in sizes and varieties. Ascorbic acid amount was measured in juice comparing sizes, varieties and storage conditions, using a tritimetric method with 2.6-dichlorobenzenoindophenol indicator. Total and soluble pectin in each part of the fruits (peel, albedo, pulp and juice) were quantified using the polygalacturonic acid as a standard. Differences were found between...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Orange; Tangerine; Pectin; Ascorbic acid; Composition; Size.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612011000200007
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Biodiversity of frugivorous flies (Diptera: Tephritoidea) captured in citrus groves, Mato Grosso do Sul, Brazil Neotropical Entomology
Uchôa-Fernandes,Manoel A.; Oliveira,Isaias de; Molina,Rosa M.S.; Zucchi,Roberto A..
This paper presents a faunistic analysis of the frugivorous species of Tephritoidea (Diptera) captured in three citrus groves in the municipalities of Anastácio (Chácara Laranjal, 20º 31' 36'' S, 55º 50' 12'' W, 170 m) and Terenos (Chácara Suzuki, 20º 26' 12" S, 55º 04' 54'' W, 308m), MS, Brazil, during a 25 month period. McPhail traps with 5% hydrolyzed corn protein were hung in Citrus sinensis (L.) and C. reticulata (L.) trees, spaced 30 m apart. The Tephritidae species caught were: Anastrepha alveatoides Blanchard, A. bezzii Lima, A. castanea Norrbom, A. daciformis Bezzi, A. dissimilis Stone, A. distincta Greene, A. fraterculus (Wied.), A. grandis (Macquart), A. haywardi Blanchard, A. leptozona Hendel, A. macrura Hendel, A. montei Lima, A. obliqua...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Fruit fly; Lonchaeidae; Orange; Tangerine.
Ano: 2003 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2003000200008
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Citrus plastid-related gene profiling based on expressed sequence tag analyses Genet. Mol. Biol.
Calsa Jr.,Tercilio; Figueira,Antonio.
Plastid-related sequences, derived from putative nuclear or plastome genes, were searched in a large collection of expressed sequence tags (ESTs) and genomic sequences from the Citrus Biotechnology initiative in Brazil. The identified putative Citrus chloroplast gene sequences were compared to those from Arabidopsis, Eucalyptus and Pinus. Differential expression profiling for plastid-directed nuclear-encoded proteins and photosynthesis-related gene expression variation between Citrus sinensis and Citrus reticulata, when inoculated or not with Xylella fastidiosa, were also analyzed. Presumed Citrus plastome regions were more similar to Eucalyptus. Some putative genes appeared to be preferentially expressed in vegetative tissues (leaves and bark) or in...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Citrus variegated chlorosis; In silico; Sweet orange; Tangerine.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572007000500013
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Positive relationship between citrus leaf miner and alternaria brown spot Ciência Rural
Azevedo,Fernando Alves de; Martelli,Ivan Bortolato; Polydoro,Denis Augusto; Pacheco,Camilla de Andrade; Schinor,Evandro Henrique; Bastianel,Marinês.
Alternaria brown spot, or ABS (Alternaria alternata), is the most prevalent fungal disease of tangerines in the world. Field observations have revealed ABS lesions on leaves wounded by the citrus leaf miner (CLM). Thus, the objective of this study was to assess the relationship between CLM and ABS. Leaves from young Murcott tangor plants and detached leaves from 16 different varieties of tangerines with and without lesions caused by CLM were inoculated with A. alternata. The symptoms of the plants were subsequently quantified by counting the number of lesions, and the lesion area was estimated using a diagrammatic scale. The presence of CLM damage aggravates the severity of Alternaria alternata fungus infections in susceptible tangerine varieties.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Alternaria alternata; Phyllocnistis citrella; Tangerine.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782015000701160
Registros recuperados: 4
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