全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
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作者:Delia B. Rodriguez-Amaya , Marina F. M. Tavares ...
来源:[J].Molecules(IF 2.428), 2013, Vol.18 (4), pp.3859-3871DOAJ
摘要:“Chimarrão” and “tererê” are maté (dried, toasted and milled Ilex paraguariensis leaves and stemlets) beverages widely consumed in South America. This paper describes the application of HPLC-DAD-ESI/MS method for the identification and quantification of caffeoylqui...
作者:Iriani R. Maldonade , Delia B. Rodriguez-Amaya , Adilma R. P. Scamparini
来源:[J].Brazilian Journal of Microbiology(IF 0.762), 2012, Vol.43 (1), pp.109-115DOAJ
摘要:Sequential statistical methods were used to maximise carotenoid production by a strain of Rhodotorula mucilaginosa, isolated from the Brazilian ecosystem. Initially, a factorial 2(5-1) experimental design was used, and the variables were pH and the levels of glucose, yeast e...
作者:Rosemary Hoffmann-Ribani , Delia B. Rodriguez-Amaya
来源:[J].Química Nova(IF 0.737), 2008, Vol.31 (6), pp.1378-1384DOAJ
摘要:This work optimized the HPLC conditions for the simultaneous determination of luteolin, apigenin, myricetin, quercetin and kaempferol in aglycone form, as well defined the best conditions for hydrolysis/extraction of these flavonoids in fruits, using...
作者:Simara Matsubara , Delia B. Rodriguez-Amaya
来源:[J].Food Science and Technology(IF 0.326), 2006, Vol.26 (2), pp.380-385DOAJ
摘要:Os teores de miricetina, quercetina e kaempferol foram determinados em uma marca de ban-chá, duas de chá verde e quatro de chá preto. Analisaram-se três lotes para cada marca em duplicata por cromatografia líquida de alta eficiência. Quercetina (2,5-3,4 mg/g folha seca)...
作者:Simara Matsubara , Delia B. Rodriguez-Amaya
来源:[J].Food Science and Technology(IF 0.326), 2006, Vol.26 (2), pp.401-407DOAJ
摘要:No presente estudo, foram determinados os teores de catequinas e teaflavinas em três marcas de chá verde e quatro de chá preto comercializadas no Brasil. A metodologia analítica consistiu de extração aquosa bastante simples e cromatografia líquida de alta eficiência. Fo...
作者:Graciette Matioli , Delia B. Rodriguez-Amaya
来源:[J].Food Science and Technology(IF 0.326), 2003, Vol.23, pp.102-105DOAJ
摘要:O licopeno é uma das importantes substâncias naturais de coloração industrial de alimentos. Além disso, este carotenóide tem importância em saúde humana pela sua atuação na redução de riscos de doenças crônicas como câncer, em especial de próstata, e doenças c...
作者:Delia B. Rodriguez-Amaya
来源:[J].Food Research International(IF 3.005), 2019, Vol.124, pp.200-205Elsevier
摘要:Abstract(#br)Extensive structure elucidation has revealed a remarkable diversity of structures for carotenoids, anthocyanins, and betalains, the major natural pigments in plant-derived foods. Composition, stability, influencing factors, processing effects have been widely investi...
作者:Adriana Z. Mercadante , Delia B. Rodriguez-Amaya
来源:[J].Chromatographia(IF 1.437), 1989, Vol.28 (5-6), pp.249-252Springer
摘要:Summary(#br)Considering the high cost of HPLC, the use of preparative C 18 packing material as stationary phase in classical gravity-flow columns is proposed as an alternative for developing countries. In the present study, three methods were compared, one utilizing a normal...
作者:Celia Maria De Sylos , Delia B. Rodriguez-Amaya , Paulo R. N. Carvalho
来源:[J].Food Additives & Contaminants: Part A(IF 2.22), 1996, Vol.13 (2), pp.169-172Taylor & Francis
摘要:One hundred and fifty-two samples of pasteurized milk, powdered milk, cheese and yoghurt, marketed in Campinas, Brazil in 1989-1990, were analysed for aflatoxin M1 by the AOAC TLC method (visual quantitation) 980.21. Fifty-two pasteurized milk samples were also analysed in 1992 b...
作者:Delia B. Rodriguez-Amaya , Mieko Kimura ...
来源:[J].Journal of Food Composition and Analysis(IF 2.088), 2008, Vol.21 (6), pp.445-463Elsevier
摘要:Abstract(#br)This article updates the Brazilian database on food carotenoids. Emphasis is on carotenoids that have been demonstrated important to human health: α -carotene, β -carotene, β -cryptoxanthin, lycopene, lutein and zeaxanthin. The sampling and sample preparation st...

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