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| Adekola, Kehinde Adedeji. |
| Coconut oil yield was found to be dependent on the following processing parameters: post heating moisture content, applied pressure, pressure duration, heating time and temperature to which the samples were subjected using hydraulic uniaxial compression. The highest coconut oil yield obtained was 51.9% at optimum condition. This yield corresponds to an expression efficiency of 81.2% of the total coconut oil content which represented 63.9% by weight of the copra (dried coconut flesh). The highest oil yield was obtained at an expression pressure of 25MPa when samples were conditioned to an initial moisture content of 11.3% w. b. and heated at 120ºC for 15min to obtain a post heating moisture of 7.13% w. b. Increases in oil yield were recorded for... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Coconut oil; Processing parameters; Oil yield; Expression efficiency; Optimum. |
| Ano: 2014 |
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/2977 |
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| BAKO, TANKO; VICTOR, UMOGBAI I; J, AWULU O. |
| The effect of pre-treatment of mackery (Scomber scombrus) on oil recovery and quality was investigated. Fish oil was extracted using the screw expeller press after heat pre-treatment of the fish sample. The effect of cooking temperatures and cooking times was evaluated. It was observed that the oil yield has a positive relationship with cooking temperature. The oil yield increased with increasing cooking temperature at all the cooking times investigated and also increased with increasing cooking time from 5-15 minutes and then decreased for 20 minutes cooking time at all the cooking temperatures investigated. The results revealed that a highest yield of 22.8 % was obtained when the fish was treated at 90 0C cooking temperature for 15 minutes. The lowest... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Criteria; Fish Oil; Pre-treatment; Extraction; Oil yield. |
| Ano: 2017 |
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/4021 |
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| RAMÍREZ-ANAYA,Jessica del Pilar; MANZANO-HERNÁNDEZ,Ariana Jocelyn; TAPIA-CAMPOS,Ernesto; ALARCÓN-DOMÍNGUEZ,Karina; CASTAÑEDA-SAUCEDO,Ma Claudia. |
| Abstract Virgin oil from avocados (Persea americana Mill.) is obtained by mechanical processes after pulp malaxation at temperatures that minimize oxidation and improve separation. The objective of this study was to assess the effect of time (0, 20, 30, 40, 60, 120 and 180 min) and temperature (40 and 50 °C) conditions during pulp malaxation on extraction yield, nutritional value (normalized fatty acid profile) and specific extintion (K232 and K270) of virgin oil extracted under laboratory conditions from avocados cultivated in southern Jalisco, Mexico. When pulp was malaxated for 120 min at 40 and 50 °C, a larger proportion of oil was extracted (82.9 ± 0.3% and 80.2 ± 0.8%, respectively). We observed that the normalized percentage of the fatty acids... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Essential fatty acid; Fatty acids; Linoleic:palmitic ratio; Oil yield; Oxidation. |
| Ano: 2018 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612018000200223 |
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