Active and intelligent packaging has been based on a interaction of the pack with food and / or the environment that surrounds it. Are on the market active packaging to reduce lipid oxidation rates, control breathing, moisture content and minimize microbial growth. Such packages contain absorbers and emitting carbon dioxide, odor absorbents, ethylene removers, aroma-emitting and antimicrobial compounds. Intelligent packagings include indicators of time and temperature, ripeness indicators and deterioration, biosensors and radio frequency identification. Due to deliberate interaction with food and / or their environment, migration of substances may pose a food safety concern, should their use be regulated in legislation. This article presents: definitions and history of active and intelligent packaging; the main types of materials developed for food contact;
Introdução: O desperdício é um grande problema enfrentado pelo Brasil, em função dos hábitos alimentares, sendo o aproveitamento de cascas de frutas, folhas e talos de hortaliças ainda baixo. Sabe-se, no entanto, que a utilização dessas partes tradicionalmente não aproveitadas pode contribuir para a produção de alimentos mais saudáveis, nutritivos e com menor impacto negativo para o meio ambiente. Objetivo: Aproveitar os vegetais na sua forma integral ou de suas partes alimentícias não convencionais, e caracterizar as farinhas obtidas, com vistas à alimentação humana. Métodos: As farinhas foram obtidas de banana verdes (casca e polpa), casca de tangerina, casca e polpa de berinjela e bagaço de uva oriundo da produção de suco de uva, que foram secas em estufa ventilada a 40°C por 48 horas. Foram realizadas análises físico-químicas e microbiológicas. Resultados: As farinhas apresentaram alto teor de fibras (17,7 a 48,94 g/100g) e compostos fenólicos (778,81 a 2708,11 mg EAG/100g), e baixo teor de lipídeos (0,70 a 3,40 g/100g). Para a quantidade de proteínas, a farinha de berinjela foi a que mais se destacou (13,81 g/100g), podendo ser uma alternativa aos indivíduos que não consomem produtos de origem animal. Conclusões: Todas as farinhas são seguras do ponto de vista microbiológico, de acordo com a legislação vigente, e portanto, podem ser utilizadas na alimentação humana para aumentar o aporte de nutrientes e diminuir os impactos da poluição, contribuindo para a manutenção do meio ambiente e gerando renda.
The present study aimed to develop a mixed smoothie drink using the solid albumen of the green coconut in its composition. Smoothie formulations were prepared following an experimental design, setting the solid albumen concentration at 20% and varying the contents of the acerola (Barbados Cherry), pineapple, and coconut water pulps, which corresponded to 80% of the total mass of the product. Response parameters evaluated were vitamin C content, antioxidant capacity, and overall sensory acceptance. Ten formulations were evaluated. The ones that contained higher concentrations of acerola pulp had higher values of bioactive compounds but were not the most sensorially accepted. By means of the desirability function, a final formulation consisted of 52.8% of pineapple, 27.2% of acerola, and 20.0% of solid albumen of green coconut. This new formulation was well accepted, with a grade (score) 7 (“good”). It represents a good nutritional contribution and a source of vitamin C which can contribute to add value to a co-product of the beverage industry.
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