Geraldo Arraes Maia

Geraldo Arraes Maia
National Council for Scientific and Technological Development, Brazil · UFCe FOOD TECHNOLOGY DEPTO

Doctor of Philosophy

About

176
Publications
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Publications

Publications (176)
Article
This work aimed to study beverages' storage stability based on cashew apple pulp and honey during 120 days. Three formulations were prepared: F1 (75% of cashew apple pulp and 25% of honey; F2 (60% of cashew apple pulp and 40% of honey) and F3 (50% of cashew apple pulp and 50% of honey). The formulation F1 showed the highest content of ascorbic acid...
Article
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Plant co-products currently represent an attractive alternative to the food industry, especially to the growing market of development low-fat products. Among the co-products resulting from tropical fruits' processing, the cashew apple's fibre presents unusual nutritional and sensory characteristics. In several food preparations could use it as an i...
Chapter
The agribusiness is one of the most important commercial activities in Brazil and corresponds to the economic basis of North and Northeast regions, generating employment and income, especially concerning fruits and its derivative sector. This sector attends the internal and international markets. Açai (Euterpe oleracea), acerola (Malpighia emargina...
Article
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The cashew nut kernels can be broadly classified by colour, size, quality and integrity, into whole (W), butts (B), splits (S) and P (pieces). This work evaluated seven sizes and qualities of cashew kernel (B1, S1, W4, SP1, SP2, P2 and W240), for oil extraction. Then, two oil extraction methods, using cold pressing (CP) and microwave preheating (MP...
Article
Cashew nuts have high nutritional value. This nut providesmacronutrients, micronutrients and a large variety of antioxidants,such as phenolic compounds. There are losses in some compoundsduring the processing of fruits and there are very few studies onthis aspect. Given the above, this research aimed to determine theeff ect of the processing steps...
Article
Cashew nuts have high nutritional value. This nut providesmacronutrients, micronutrients and a large variety of antioxidantssuch as phenolic compounds. There are losses in some compoundsduring the processing of fruits and there are very few studies on thisaspect. Given the above, this research aimed to determine the eff ectof the processing steps o...
Article
This study evaluated the effectiveness of packaging using a microencapsulated β-cyclodextrin and trans-cinnamaldehyde complex incorporated into a base chitosan matrix on the shelf life of fresh-cut melon (Cucumis melo L. var. Reticulatus Naud) group Inodorus that were coated with a multilayered coating system using a polypropylene tray (Ziploc®) wi...
Article
Cereal bars are classified as healthy and nutritious foods, being sources of vitamins, minerals, fiber, protein and carbohydrates. Therefore, this study aimed to evaluate the chemical composition and physical and chemical stability and microbiological of cereal bars with almonds chicha, sapucaia and-nut Gurgueia, supplemented with pineapple peel. T...
Article
The purpose of this experiment was to evaluate the effect of heat treatment on the rheological properties of mixed nectars, based on cashew apple, mango, and acerola pulps. Ten different formulations with different mass fractions of cashew apple, mango, and acerola pulps were prepared using a simplex centroid design [with a total of 35% (w/w) pulp]...
Article
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Fruits are a rich source of nutrients and fruit juices are a popular way of consuming them. Development of mixed juices, where two or more fruit juices are blended to obtain a product that combines the nutritional value of fruits, has been encouraged by the food industry and well accepted by consumers. This work aimed to develop mixed nectars of tr...
Article
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This research aimed to determine the total extractable polyphenols and the antioxidant activity of cashew nut obtained from conventional and organic cultivation. The study was performed with cashew nuts collected at four stages of processing: after shelling, before peeling, after peeling and during packaging. The antioxidant activity was measured b...
Article
Yellow mombin (Spondias mombin, L.) is a tropical fruit that presents exotic taste and aroma, being source of carotenoids and phenolics compounds. It presents a good potential for processing, despite some restriction related with the presence of high amounts of peroxidase (POD) and pectinmethylesterase (PME) which can cause sensory changes in the p...
Article
O presente trabalho teve por objetivo avaliar as características químicas e físico-químicas da polpa do noni cultivado no estado do Ceará. Frutos maduros provenientes de um plantio localizado na cidade Horizonte (Ceará-Brasil) foram despolpados e a polpa extraída, embalada em sacos de polietileno, selados e armazenados a -20°C para posteriores anál...
Article
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The effects of a clarifying process using pectinases and chitosan on the physicochemical characteristics, antioxidant capacity and quality attributes of açaí fruit (Euterpe oleracea Mart.) juice were evaluated. Clarification of acaí pulp resulted (P ≤ 0.05) in a 50 % loss of total anthocyanin (4.2730 mg/100 mL) and 29 % reduction in antioxidant cap...
Article
From the cashew tree, the cashew fruit is obtained which is composed of the nut and the cashew apple. In the last decade, there has been a substitution of the conventional system of food production for the organic cultivation system. Given the above, this research aimed to study the stability of cashew nuts obtained from conventional and organic cu...
Article
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Um método baseado na extração em fase sólida (SPE), seguido de separação por cromatografia líquida de alta eficiência (CLAE) com detecção de ultravioleta (UV) é apresentado como uma ferramenta analítica, para a determinação de folatos em suco de caju. A ingestão de folatos é recomendada para mulheres grávidas, que necessitam de um maior consumo des...
Article
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A abordagem do comportamento reológico de néctares mistos de frutas tem fornecido importantes informações para o processamento dos mesmos, resultando em benefícios para a indústria e, consequentemente, para o consumidor. Portanto, neste trabalho, se estudou o comportamento reológico de néctares mistos de caju, manga e acerola, nas temperaturas de 8...
Article
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A adição de prebióticos em sucos de frutas vem sendo realizada objetivando a agregação de propriedades funcionais a esses alimentos, cuja caracterização é fundamental para a engenharia de processos, estruturação de equipamentos, bem como para a qualifi cação de tais propriedades. O objetivo deste trabalho foi estudar o comportamento reológico de be...
Article
The present work aimed to characterize the cashew nut bran during several stages of processing, with emphasis in the quantification of total extractable polyphenols and total antioxidant activity. The cashew nut bran was analyzed for the following parameters: water activity, total acidity, pH, moisture, ash, lipids, proteins, carbohydrates, total e...
Conference Paper
Acerola or Barbados cherry (Malpighia emarginata) is characterized by high vitamin C content, which is many times higher than other fruits that could be considered good sources, such as guava, cashew apple and citrus. Besides its consumption as a fruit, acerola presents a wide potential to be used in different products rich in bioactive compounds,...
Article
The knowledge of the fruit tropical pulps rheological behavior have a great importance for the consumers and food process industries. In this work it was studied the rheological behavior of the cashew apple (Anacardium occidentale, L.), mango (Mangifera indica, L) and acerola (Malpighia emarginata, DC) single strength, frozen and pasteurized pulps....
Article
Full-text available
The present research aimed to evaluate the chemical, physical-chemical and microbiological stability of pasteurized and non-pasteurized acerola pulp coming from organic cultivation stored frozen for 360 days. Storage under freezing did not cause significant loss of acerola pulp's quality. However, the heat treatment had a negative influence on the...
Article
The addition of prebiotics in fruit juices has been performed aiming at associate functional properties to these foods, which characterization is fundamental to processes of engineering, equipment design, as well as to the qualification of such properties. The purpose of this work was to study the rheological behavior of mixed beverages of mango an...
Article
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Considera-se uma fruta minimamente processada aquela que passou por etapas tais como lavagem, descascação, corte e embalagem e que mantém as suas características físicas, químicas, nutricionais e sensoriais, vida útil prolongada e segurança. Este trabalho teve como objetivo avaliar a qualidade higiênico-sanitária do abacaxi minimamente processado,...
Article
Full-text available
Solid mixtures for refreshment are already totally integrated to the Brazilian consumers' daily routine, because of their quick preparation method, yield and reasonable price - quite lower if compared to 'ready-to-drink' products or products for prompt consumption, what makes them economically more accessible to low-income populations. Within such...
Article
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Passion fruit is widely consumed due to its pleasant flavour and aroma acidity, and it is considered very important a source of minerals and vitamins. It is used in many products such as ice-cream, mousses and, especially, juices. However, the processing of passion fruit juice may modify the composition and biodisponibility of the bioactive compoun...
Article
Foods rich in antioxidants play an essential role in the prevention of diseases. The present study compared contents of phenolics, vitamin C, anthocyanin and antioxidant activity of 11 fresh exotic fruits, cultivated in the northeastern part of Brazil. The antioxidant activities were evaluated using two antioxidant systems 2,2-diphenyl-1-picrylhydr...
Article
The purpose of this work was to develop three mixed drinks based on caja (Spondias mombin L.) and cashew apple (Anacardium occidentale) pulps, added prebiotic ingredients and to evaluate their chemical, physicochemical and sensory properties. Four formulations with combinations of two pulp fruit, sucrose and prebiotic ingredients (Standard inulin,...
Article
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A manga é uma fruta tropical muito popular em virtude das suas características exóticas e do seu valor nutritivo, sendo bastante apreciada na culinária e na alimentação da população brasileira. Este trabalho teve como objetivo analisar o comportamento higroscópico dos pós de manga das variedades Rosa e Tommy Atkins através de isotermas de adsorção,...
Article
Nectars are formulated beverages with a fruit juice or pulp as its main component. A blend of fruits can also be used, with the advantage of combining sensory and nutritional properties of different fruits. The beverages may be added with some energetic component, as caffeine, known by its stimulating effect on central nervous system. The objective...
Article
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The objective of this work was to process and evaluate the stability of the bacuri (Platonia insignis Mart.) pulp submitted to freezing for 12 months. During the storage period there were significant changes in the physiochemical characteristics of the pulp as for the content of total soluble solids, pH, water activity, total and reducing sugars, v...
Article
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A manga, embora muito apreciada pelos seus aspectos nutricionais e sensoriais, é altamente perecível e requer técnicas peculiares para sua conservação e comercialização. Nesse contexto, este trabalho teve por objetivos avaliar o comportamento higroscópico dos pós de manga das variedades Coité e Espada por meio das isotermas de adsorção e também ana...
Article
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Although cashew apple juice has been highly consumed in Brazil and several studies on its nutritional value have been published, no studies on the determination of folate contents in this juice were found in the literature. Several analytic techniques can be employed for the folate determination in foods. In this study, the microbiological assay us...
Article
Full-text available
O cupuaçu é considerado um importante fruto tipicamente amazônico e apresenta polpa ácida, agradável e de aroma característico. Esses atributos de qualidade o colocam no ranking das exportações de frutas. No Brasil, o cupuaçu é consumido principalmente na forma de polpa congelada. Os estudos com marcas comerciais de polpa de cupuaçu que correlacion...
Article
Full-text available
O cupuaçu é considerado um importante fruto tipicamente amazônico e apresenta polpa ácida, agradável e de aroma característico. Esses atributos de qualidade o colocam no ranking das exportações de frutas. No Brasil, o cupuaçu é consumido principalmente na forma de polpa congelada. Os estudos com marcas comerciais de polpa de cupuaçu que correlacion...
Article
Full-text available
The objective of the present work was to evaluate the changes in flavor attributes of pineapple juice as related to its industrial processing. Two batches of pineapple juice were collected at different processing steps: raw material, extraction, finishing, centrifugation and concentration. The samples were analyzed by qualitative descriptive analys...
Article
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The objectives of this study were to develop formulations of mixed nectars of tropical fruits adding different concentrations of Ginkgo biloba, Panax ginseng, and a mixture of Ginkgo biloba and Panax ginseng extracts and to assess sensory, physicochemical, and chemical characteristics of selected nectars. The nectar formulations had the following p...
Article
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In the last years, bacuri has stood out among native fruits with socioeconomic value for the great possibilities of utilization. Bacuri is widely used by the Amazon population and can to be found in supermarkets of several cities. The objective of this work was to evaluate the conservation potential of bacuri packed in PVC and stored under differen...
Article
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A goiaba é um dos frutos tropicais de maior valor nutricional, rico em vitamina C e pró-vitamina A, possuindo uma excelente aceitação para consumo in natura, como também uma vasta aplicação industrial. A vitamina C, os carotenoides, as antocianinas e os compostos fenólicos são considerados substâncias com atividade antioxidante, e seu consumo regul...
Article
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The guava is one of the tropical fruits with the highest nutritional value, rich in vitamins C and pro-vitamin A, possessing excellent acceptance of in natura consumption as well as great industrial applicability. Vitamin C, carotenoids, anthocyanins and phenolics are considered compounds with antioxidant activity and the consumption of these subst...
Article
Leuconostc mesenteroides B-512F and L. mesenteroides B-742 were cultivated in clarified cashew apple juice to produce prebiotic oligosaccharides. Yeast extract (20 g/L); K2HPO4 (g/L) and sucrose (50 g/L) were added to the juice to promote the microbial growth and dextransucrase production. Initial pH was adjusted to 6.5 with H3PO4. Fermentations we...
Article
aceroleira recobertos com filme de PVC e conservados sob refrigeração. Os clones 235 (Apodi), BRS 236 (Cereja), BRS 237 (Roxinha), BRS 238 (Frutacor), II 47/1 e BRS 152 (Sertaneja) foram colhidos no estádio de maturação comercial. Os frutos foram lavados em água clorada, embalados em bandejas de poliestireno expandido cobertos com filme PVC e armaz...
Article
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The purpose of the present work was to develop a blended beverage based on green coconut (Cocos nucifera L.) water, pineapple (Ananas comosus) and acerola (Malpighia emarginata D. C.) pulps as a ready to drink product, combining the sensory acceptance, nutritional and functional compounds of these fruits. Ten formulations of mixed beverages were ev...
Article
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Resumo The chemical and physicochemical changes during the tropical pineapple juice processing were evaluated. It was verified that all the chemical and physicochemical parameters evaluated showed a statistical difference at a level of 5% of probability by the Tukey test, exception for carotenoid content. Total titratable acidity, reducing sugar a...
Article
Cashew apple and guava residues from fruit juice processing industry were prepared as dehydrated fruit powders. Differences in compositional and physicochemical characteristics between both fruit powders were significant at the 5% probability level, with exception to ash content. It is important to point out that despite the dehydration process, bo...
Article
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Fruit antioxidant activity is related to compounds such as vitamins and phenolics, which play an effective role on free radical scavenging. Such activity varies among species and cultivars. The aim of this work was to evaluate and quantify antioxidant compounds on cashew apples from different early dwarf clones. The following analyses were done: vi...
Article
The objective of this work was to study the stability of a beverage formulated with acerola fruit juice and green coconut water with added caffeine. The beverage was prepared with 25% acerola pulp, 75% green coconut water and sugar up to 12°Brix, and caffeine (125 mg L−1), heat processed at 90 °C for 30 s and packed in 250-mL glass bottles. Chemica...
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Cashew apple and guava residues from fruit juice industry were prepared as dehydrated fruit powders and used at different levels of wheat flour substitution for cookies formulations. The effects of guava and cashew apple fruit powders supplementation on physicochemical and sensorial characteristics of the cookies were evaluated. The pH, fibre and p...
Article
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Due to a constant search for tropical fruit drinks and calorie reduced products, this work aimed to evaluate the degree of sweetness, flavor, overall global impression, and purchase intention of guava drinks sweetened with different sweetening agents through the response rank frequency and average test, and internal preference mapping (IPM). Guava...
Article
Due to a constant search for tropical fruit drinks and calorie reduced products, this work aimed to evaluate the degree of sweetness, flavor, overall global impression, and purchase intention of guava drinks sweetened with different sweetening agents through the response rank frequency and average test, and internal preference mapping (IPM). Guava...
Article
Gas liquid chromatography (GLC) were performed in the pulp and seeds from rippened jenipap fruits. Fatty acids present in the sample were evaluated by methylation in terms of qualitative and quantitative. The qualitative analysis of the fatty-acids were realized by comparisson of the retention time of the sample against the standard curve. The quan...
Article
O presente trabalho teve como objetivo verificar a existência ou não de diferenças quanto ao aspecto químico e físico-químico entre o cajueiro anão e o cajueiro comum. Procedeu-se às seguintes determinações na casca e na amêndoa: umidade, cinzas, extrato etéreo, proteína, carboidratos totais, acidez livre, índice de peróxido do óleo, ferro, cálcio...
Article
Estuda as propriedades físico-químicas e a composição dos ácidos graxos de óleos extraídos de sementes de quatro variedades de goiaba (psidium guajava, L.). Observou-se que o índice de refração encontrado é semelhante ao do amendoim, do algodão e da soja. Os índices de iodo e de saponificação situaram-se na faixa de valores dos óleos de algodão e a...
Article
This study involved an attempt to totally or partially replace maltodextrin DE10 (MD10) by cashew tree gum (CTG) as a drying aid agent in spray drying of cashew apple juice. The objective was to evaluate the impact of drying aid/cashew apple juice dry weight ratio (D/C, ranging from 3 to 5) and degree of replacement of MD10 with CTG (CTGR, ranging...
Article
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Nowadays, there is great interest in açaí fruits due to their functional and energetic properties. Based on some of these characteristics (bioactive compounds and antioxidant activity), açaí fruits from different progenies were evaluated in order to select superior genetic materials. The fruits were harvested from eight progenies of the Tropical Fr...
Article
This review presents the important aspects of the coconut water, such as its chemical composition, nutritional value and functional properties, which allied to its sweetened taste, turned it into a much appreciated beverage, favoring the increase of its consumption. It also reports the types of commercialization of the coconut water and the related...
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O presente trabalho teve por objetivo estabelecer as melhores condições de isolamento dos voláteis de maracujá amarelo pela técnica de concentração do headspace a vácuo no polímero Porapak Q, bem como determinar o solvente mais apropriado para eluição dos voláteis adsorvidos no polímero. Foram testados três solventes: hexano, diclorometano e aceton...
Article
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O mercado de bebidas não alcoólicas apresenta produtos bastante diversifi cados que seguem uma tendência de valorização dos atributos de qualidade nutricional. As bebidas a base de extrato de soja e de frutas tropicais estão perfeitamente inseridas neste contexto, pois conseguem aliar as características de sabor e as vitaminas presentes nas frutas...