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| Scala,Karina Di; Vega-Gálvez,Antonio; Ah-Hen,Kong; Nuñez-Mancilla,Yissleen; Tabilo-Munizaga,Gipsy; Pérez-Won,Mario; Giovagnoli,Claudia. |
| The aim of this study was to evaluate the influence of high hydrostatic pressure (150, 250, 350, 450, and 550 MPa), applied for 5 minutes, on antioxidant capacity, total phenolic content, color, firmness, rehydration ratio, and water holding capacity of aloe vera gel stored for 60 days at 4 °C. The analyzed properties of the pressurized gel showed significant changes after the storage period. The highest value of total phenolic content was found at 550 MPa. However, a decrease in the antioxidant capacity was observed for all pressurized gel samples when compared to the control sample (p < 0.05). The smallest changes in product color were observed at pressure levels between 150 and 250 MP. The application of high hydrostatic pressure resulted in lower... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Antioxidant capacity; Total phenolics; Quality; Aloe vera. |
| Ano: 2013 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612013000100009 |
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| Vega-Gálvez,Antonio; Lemus-Mondaca,Roberto; Plaza-Sáez,Daniel; Pérez-Won,Mario. |
| The aim of this research was to study the effect of air-temperature and diet composition on the mass transfer kinetics during the drying process of pellets used for Japanese Abalone (Haliotis discus hannai) feeding. In the experimental design, three temperatures were used for convective drying, as well as three different diet compositions (Diets A, B and C), in which the amount of fishmeal, spirulin, algae, fish oil and cornstarch varied. The water diffusion coefficient of the pellets was determined using the equation of Fick's second law, which resulted in values between 0.84-1.94×10-10 m²/s. The drying kinetics was modeled using Page, Modified Page, Root of time, Exponential, Logarithmic, Two-Terms, Modified Henderson-Pabis and Weibull models. In... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Japanese abalone; Pellets; Drying kinetics; Diffusion coefficient; Weibull. |
| Ano: 2011 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612011000300022 |
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