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Dive into the research topics where Maria Patrícia Milagres is active.

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Featured researches published by Maria Patrícia Milagres.


Food Chemistry | 2012

Development and validation of the high performance liquid chromatography-ion exclusion method for detection of lactic acid in milk

Maria Patrícia Milagres; Sebastião César Cardoso Brandão; Mirella Araújo Magalhães; Valéria Paula Rodrigues Minim; Luis Antonio Minim

The present work reports the development and validation of an analytical method for lactic acid quantification in milk by ion exclusion-HPLC with UV detection. This method showed good precision (variation coefficient <7.0%) and good accuracy (97.6-99.6%). Calibration curves were linear (R(2)>0.996) at the tested range of 5.0-25.0mmolL(-1); and the detection and quantification limits were 0.5 and 1.0mmolL(-1), respectively. Analysis of lactic acid in fermented milk (FM) or NaOH neutralised fermented milk (FNM) was performed using samples obtained during 9h of fermentation. An ANOVA analysis combined with the Tukey test was used to show that the method was insensitive to the differences between FM and FNM. The proposed method therefore proved to be a useful quality control tool in laboratories because it was able to determine milk acidity even in adulterated samples.


Journal of the Science of Food and Agriculture | 2014

Night milking adds value to cow's milk.

Maria Patrícia Milagres; Valéria Paula Rodrigues Minim; Luis Antonio Minim; Andréa Alves Simiqueli; Liliane Elen da Silva Moraes; Hércia Stampini Duarte Martino

BACKGROUND Melatonin is synthesized in greater concentration at night, and it plays an important role in sleep regulation. This study aimed to evaluate the melatonin concentration in milk collected by milking during the night and evaluates its effect, with or without tryptophan supplementation, in the sleep quality of adult Wistar rats. RESULTS A difference (P < 0.05) was observed between the milking times, where the milk obtained at 02:00 presented a higher melatonin concentration (39.43 pg mL(-1) ) than that acquired at 15:00 (4.03 pg mL(-1) ). A biological assay was also performed on 32 male adult Wistar rats distributed among four groups (n = 8): those receiving an AIN-93M diet (control group) and three test groups [diets containing milk from milking at 02:00 (M2h ), milking at 15:00 (M15h ), and milking at 02:00 plus tryptophan supplementation (M2h T)] for 28 days. It was observed that the control group did not differ (P > 0.05) from the M15h group in terms of the levels of blood melatonin and urinary sulfatoxymelatonin, but differed from groups M2h and M2h T, whereas group M2h T presented higher blood melatonin and urinary sulfatoxymelatonin concentrations. CONCLUSION Combining the techniques of night milking with tryptophan supplementation resulted in production of milk that improves sleep quality in rats.


Revista Ceres | 2010

Análise físico-química e sensorial de doce de leite produzido sem adição de sacarose

Maria Patrícia Milagres; Geruza Dias; Mirella Araújo Magalhães; Mateus Ottomar Silva; Afonso Mota Ramos

O objetivo foi avaliar doces de leite produzidos sem adicao de acucar. Realizaram-se tres formulacoes: doce com adicao de acucar (A), com edulcorante sucralose (B) e doce com ciclamato, sacarina e sorbitol (C). Nos doces B e C utilizou-se a carragena. Realizaram-se analises fisico-quimicas, microbiologicas, exigidas pela legislacao vigente, e analise sensorial. Nas analises de acidez nao houve diferenca significativa entre as amostras. O teor de gordura, a atividade de agua e textura das amostras nao diferiram entre os doces B e C, e esses diferiram estatisticamente do A. Nas analises de pH houve diferenca significativa entre os doces. O teor de solidos soluveis do doce A apresentou 63 °Brix, e os doces B e C, 26 °Brix. Na aceitacao, observou-se diferenca significativa para todos os atributos avaliados. Para sabor, o doce A foi mais aceito que os doces B e C, e o doce B mais que o C. Para atributo de textura sensorial e impressao global, o doce A foi mais aceito que os doces B e C, e esses apresentaram a mesma aceitacao. Na analise de textura instrumental, os doces B e C nao obtiveram a mesma forca de resistencia a penetracao que o doce A. Todas as analises microbiologicas dos doces A, B e C apresentaram-se dentro dos padroes exigidos pela legislacao vigente. Doce de leite com sucralose (B) mostrou-se uma boa alternativa para substituicao do doce de leite com sacarose (A), uma vez que obteve boa aceitacao para o atributo sabor.


Revista do Instituto de Laticínios Cândido Tostes | 2012

ANÁLISE DE RISCO NA AVALIAÇÃO DA INFLUÊNCIA DA MARCA NA ACEITABILIDADE NÃO SENSORIAL DE REQUEIJÃO CREMOSO

Valéria Paula Rodrigues Minim; Maria Patrícia Milagres; Rita de Cássia dos Santos Navarro da Silva; Christiane Mileib Vasconcelos; Eliane Maurício Furtado Martins; Simone Cristina Sant’Anna Sampaio

Consumer behavior is influenced by intrinsic (sensory characteristics) and extrinsic (non-sensory characteristics) of the product. Among the non-sensory factors, highlights been studied by various areas of knowledge and strength channeled through companies in order to entice the consumer at the time of purchase. In recent decades, many statistical methods have been employed in order to study this important influence on consumer behavior, both in marketing as in sensory analysis. This study aimed to evaluate the impact of brand on the acceptance of cheese using the statistical technique of relative risk. Thus, the sensory test was conducted in two sessions, with the first, the samples were presented coded (test without information) and the second presented with their respective brands. Comparing the results obtained for the two sessions, it was found that there was no change in acceptance of the cheesecurd for all brands and technical statistical analysis showed the relative risk of easy application, interpretation and effective in studies of non-sensory characteristics of food.


Food Research International | 2011

Effect of a health claim on consumer acceptance of exotic Brazilian fruit juices: Açaí (Euterpe oleracea Mart.), Camu-camu (Myrciaria dubia), Cajá (Spondias lutea L.) and Umbu (Spondias tuberosa Arruda)

Márcia Cristina Teixeira Ribeiro Vidigal; Valéria Paula Rodrigues Minim; Naiara Barbosa Carvalho; Maria Patrícia Milagres; Aline Cristina Arruda Gonçalves


Saúde em Revista | 2015

Pesquisa Mercadológica - Qualidade do Sono da População de Viçosa-MG

Maria Patrícia Milagres; Valéria Paula Rodrigues Minim; Andréa Alves Simiqueli; Bethania Fernandes Galvão; Luis Antonio Minim


Revista do Instituto de Laticínios Cândido Tostes | 2014

FATORES DA EMBALAGEM DE LEITE COM CONCENTRAÇÃO AUMENTADA DE MELATONINA NA INTENÇÃO DE COMPRA DO CONSUMIDOR

Maria Patrícia Milagres; Valéria Paula Rodrigues Minim; Andréa Alves Simiqueli; Ana Cristina Rocha Espeschit; Luis Antonio Minim


Boletim Do Centro De Pesquisa De Processamento De Alimentos | 2014

IMPACTO DA INFORMAÇÃO SOBRE A MELATONINA NA ACEITABILIDADE DE LEITE

Maria Patrícia Milagres; Valéria Paula Rodrigues Minim; Andréa Alves Simiqueli; Rafael Scoralik Goldner; Betania Fernandes Galvão


Archive | 2014

FATORES DA EMBALAGEM DE LEITE COM CONCENTRAÇÃO AUMENTADA DE MELATONINA NA INTENÇÃO DE COMPRA DO CONSUMIDOR Milk with increased concentration of melatonin packaging factors on consumer purchase intention

Maria Patrícia Milagres; Valéria Paula; Rodrigues Minim; Andréa Alves Simiqueli; Ana Cristina; Rocha Espeschit; Luis Antonio Minim


Archive | 2012

ANÁLISE DE RISCO NA AVALIAÇÃO DA INFLUÊNCIA DA MARCA NA ACEITABILIDADE NÃO SENSORIAL DE REQUEIJÃO CREMOSO Risk analysis in the evaluation of brand influence to non- sensory acceptability of requeijão cremoso

Valéria Paula; Rodrigues Minim; Maria Patrícia Milagres; Christiane Mileib Vasconcelos; Eliane Maurício; Furtado Martins; Simone Cristina Sant; Anna Sampaio

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Andréa Alves Simiqueli

Universidade Federal de Viçosa

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Luis Antonio Minim

Universidade Federal de Viçosa

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Rodrigues Minim

Universidade Federal de Viçosa

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Valéria Paula

Universidade Federal de Viçosa

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Aline Cristina Arruda Gonçalves

Universidade Federal de São João del-Rei

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