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| Oliveira,Márcia Gonzaga de Castro; Bassinello,Priscila Zaczuk; Lobo,Valácia Lemes da Silva; Rinaldi,Maria Madalena. |
| Rice bran is a byproduct commonly used for animal feeding; however its nutritional value and potential application in human diet have attracted market interest. Its preservation for safe use is still a challenge, so the objective of this study was to determine the quality of commercially available rice bran samples subjected to different heat treatments (extruding, parboiling, toasting, and microwave oven heating) in order to promote stabilization during storage under room temperature. Rice bran samples were collected from two industries, and each treatment was divided in three parts, each corresponding to three repetitions. All samples were evaluated for moisture content, total microorganisms, mold and yeast counting, hydrolytic rancidity, and lipase... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Rancidity; Microbial contamination; Lipase activity. |
| Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612012000400014 |
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| MARTÍNEZ-CORONA,Ricardo; BANDERAS-MARTÍNEZ,Francisco Javier; PÉREZ-CASTILLO,Jessica Nyx; CORTÉS-PENAGOS,Carlos; GONZÁLEZ-HERNÁNDEZ,Juan Carlos. |
| Abstract Avocado represents one of the most nutritious and consumed foods in Mexico, and its export generates significant profits; because of its fatty acids content, the avocado oil was used as an inducer for the synthesis of extracellular lipases from the non-conventional yeast Kluyveromyces marxianus L-2029. Lipases are able to catalyze acyl glycerides, hydrolyzing them into fatty acids and glycerol; they have several applications in various industries. In order to determine the ideal initial avocado oil concentration in the culture medium for the yeast, the induction was carried out at different concentrations in incubation for 24 h. The yeast presented the greater extracellular lipase productivity at a 3.5% v/v avocado oil concentration, with a 3.47... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Avocado oil; Extracellular lipases; Kluyveromyces marxianus; Lipase activity. |
| Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612019005025101 |
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| Morais, Sophia; Cahu, Chantal; Zambonino-infante, Jose-luis; Robin, Jean; Ronnestad, I; Dinis, M; Conceicao, L. |
| The influence of dietary TAG source (fish oil, triolein, and coconut oil) and level (7.5 and 15% of the diet) on growth, lipase activity, and mRNA level was studied in sea bass larvae, from mouth opening until day 24 and from day 37 to 52. Fish oil and triolein induced better growth in both experiments, this being significant at a higher dietary level. Coconut oil significantly decreased growth at the higher level, possibly as the result of an excessive supply of medium-chain TAG. Growth was not related to lipase specific activity, suggesting a production in excess to dietary needs. Body lipid content was positively related to dietary lipid level and was affected by lipid quality. In addition, larval FA composition generally reflected that of the diet. The... |
| Tipo: Text |
Palavras-chave: Lipase activity; Dietary; Growth; Larvae; Sea bass; Fish culture. |
| Ano: 2004 |
URL: https://archimer.ifremer.fr/doc/2004/publication-785.pdf |
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