Formulação de drageados de frutas com solução de reuso da desidratação osmótica de abacaxi

The objective of this work was to evaluate the reuse of sucrose syrup in pineapple (Ananas comosus) osmotic dehydration and the application of the spent solution in fruit dragée formulation. Osmotic dehydration trials were performed in five cycles (65° Brix/45°C/3 hours), directly reusing the osmotic solution, with only one intermediate reconditioning step. Variations in osmotic solution properties and in dehydration parameters were observed, as well as a low microbial load in the system. The spent solution was rich in vitamin C (30 mg 100 g-1). Pineapple dragée covered with red fruits and acai powders were obtained with the reconditioned spent solution used as an adhesion solution. The dragée presented high levels of vitamin C (176 mg 100 g-1), polyphenols (154 mg GAE 100-1 g), carotenoids (220 µg 100 g-1), and potassium (330 mg 100 g-1). The product showed good sensory acceptance and purchase intention. Reusing sucrose syrup is technically feasible during pineapple osmotic dehydration, as is the application of the spent solution as an ingredient in fruit dragée production.O objetivo deste trabalho foi avaliar o reuso do xarope de sacarose na desidratação osmótica de abacaxi (Ananas comosus) e o uso da solução final na formulação de drageados de frutas. Os ensaios de desidratação osmótica foram conduzidos em cinco ciclos (65 °Brix/45°C/3 horas), com reuso direto da solução osmótica, com apenas uma etapa intermediária de recondicionamento. Foram observadas variações nas propriedades da solução osmótica e nos parâmetros da desidratação, bem como baixa carga microbiana do sistema. A solução final apresentou-se rica em vitamina C (30 mg 100 g-1). Foram obtidos drageados de abacaxi cobertos com frutas vermelhas e açaí em pó com a solução final recondicionada como solução de aderência. O drageado apresentou níveis elevados de vitamina C (176 mg 100 g-1), polifenóis (154 mg GAE 100 g-1), carotenoides (220 µg 100 g-1) e potássio (330 mg100 g-1). O produto teve boa aceitação e intenção de compra. O reuso do xarope de sacarose é tecnicamente viável na desidratação osmótica de abacaxi, bem como a aplicação da solução final como ingrediente na produção de drageados de frutas

Estudio de las propiedades del psyllium y de la goma xantana

En este trabajo se busca evaluar las propiedades de hidratación de mezclas de almidón de maíz con psyllium (PSY) y goma xantana (XAN), los parámetros de viscosidad y reología de las pastas y la textura y el color de los geles obtenidos con estas combinaciones de almidón e hidrocoloides en distintos niveles de sustitución del almidón (2, 5, 10, 100%). El psyllium y la goma xantana incrementan las propiedades de hidratación, tanto en frio como tras calentamiento, de forma similar. En el análisis RVA se observa que el psyllium incrementa la viscosidad de las pastas tras la gelatinización, especialmente al 10%, mientras que la goma xantana apenas afecta a la viscosidad. Ambos productos incrementan los valores de G” y tan δ de manera similar. En cuanto al color, en los geles obtenidos se observa que la inclusión de xantana y psyllium en general reducen la dureza de los mismos y hasta el 10% apenas afectan al color, pero en el caso del psyllium los valores de b* son menos negativos.Máster en Calidad, Desarrollo e Innovación de Alimento

Pathology and causes of death in stranded humpback whales (<i>Megaptera novaeangliae</i>) from Brazil

<div><p>This study describes the pathologic findings of 24 humpback whales (<i>Megaptera novaeangliae)</i> found stranded along the Brazilian coast from 2004 to 2016. Eighteen (75%) animals evaluated were found stranded alive. From these, 13 died naturally on shore and five were euthanized. Six died at sea and were washed ashore. Of the 24, 19 (79.2%) were calves, four (16.7%) were juveniles, and one (4.2%) was an adult. The most probable cause of stranding and/or death (CSD) was determined in 23/24 (95.8%) individuals. In calves, CSD included neonatal respiratory distress (13/19; 68.4%), infectious disease (septicemia, omphaloarteritis and urachocystitis; 3/19; 15.8%), trauma of unknown origin (2/19; 10.5%), and vehicular trauma (vessel strike; 1/19; 5.3%). In juveniles and adult individuals, CSD was: emaciation (2/5; 40%), sunlight-thermal burn shock (1/5; 20%); and discospondylitis (1/5; 20%). In one juvenile, the CSD was undetermined (1/5; 20%). This study integrates novel findings and published case reports to delineate the pathology of a South-western Atlantic population of humpback whales. This foundation will aid in the assessment of the population health and establish a baseline for development of conservation policies.</p></div

Skin lesions in stranded humpback whales in Brazil.

<p>A) Sunlight-induced thermal burn (animal no. 3). Multiple sunburn-associated bullae and blisters along with extensive areas of dermo-epidermal clefting and ulceration throughout the left lateral peduncle and dorsal aspect of the tail fluke B) Cyamid cutaneous infestation (animal no. 8). Massive cutaneous infestation by whale lice (<i>Cyamus</i> sp.) covering more than 60% of the epidermis (partially visible). Inset: Close-up view of <i>Cyamus boopis</i> cutaneous infestation (image from left flank of the animal).</p

Individual epidemiologic stranding data and signalment of humpback whales stranded in Brazil (2004–2016).

<p>Individual epidemiologic stranding data and signalment of humpback whales stranded in Brazil (2004–2016).</p