3,213 research outputs found
The effect of bone choice on quantification of mineralization in broiler chickens up to 6 weeks of age
An experiment was conducted to assess the most appropriate bone type for measuring bone mineralization in male broiler chicks up to 42 d. A total of 72 male broilers were raised in 0.64 m2 pens on a litter floor. The study design included 2 dietary treatments (Control and Low) containing differing levels of total phosphorus (7.8 and 4.4 g/kg for Control and Low diets respectively) and calcium (22.7 and 13.1 g/kg for Control and Low diets respectively) with each fed to 6 replicate pens of 6 birds. Each wk, 6 birds per diet were euthanized and leg bones removed to measure ash percentage. Foot, toe, tibia, and femur ash were compared using the mean of both legs from each bird, via t-tests to separate Control and Low diets. At the end of wk 1, diets could not be separated using any of the bone ash measures. From wk 2 to wk 5, both tibia and foot ash differentiated between the Control and Low diets, and tibia continued to show significant differences between the diets into wk 6. Femur ash did not show any dietary differences until wk 3, but then showed significant differences between the diets until wk 6. Toe ash only differentiated between diets at wk 2, and variation both within and between birds was high, particularly with younger birds. These results suggest that bird age has implications when choosing a bone for assessing possible differences in dietary phosphorus and calcium uptake. Femur ash may be more appropriate for showing differences in broilers aged 6 wk and older. Foot ash provides a comparable alternative to tibia ash in birds aged 2 to 5 wk of age, providing a labor- and time-saving alternative
Effect of Pulse Flours on the Physiochemical Characteristics and Sensory Acceptance of Baked Crackers.
Pulse flours offer nutritional alternatives to wheat flour in the production of baked snacks due to their high protein and fibre levels and low glycaemic index. In this study, broad-bean (Vicia faba), yellow-pea and green-pea (Pisum sativum) flours were each blended with wheat flour at 40% in the formulation of chemically leavened crackers. The effects of flour type and baking time on the physiochemical properties, sensory acceptability, nutritional composition and antioxidant activity of the crackers were observed in comparison with 100% wheat crackers. Broad-bean crackers had the highest protein content and antioxidant activity (13 g per 100 g DM and 38.8 mgAAE per 100 g DM, respectively). Yellow-pea crackers had the highest fibre content (12 g per 100 g DM). Physical dimensions and colour attributes were significantly affected by pulse-flour substitution. Yellow-pea and broad-bean crackers were significantly preferred by consumers compared to the control, demonstrating the potential application of these flours to improve the eating quality and nutritional profile of crackers
Ultrasound-assisted drying of orange peel in atmospheric freeze-dryer and convective dryer operated at moderate temperature
This is an Author's Accepted Manuscript of an article published in Ronaldo E. Mello, Alessia Fontana, Antonio Mulet, Jefferson Luiz, G. Correa & Juan A. Cárcel (2020) Ultrasound-assisted drying of orange peel in atmospheric freeze-dryer and convective dryer operated at moderate temperature, Drying Technology, 38:1-2, 259-267, DOI: 10.1080/07373937.2019.1645685 [copyright Taylor & Francis], available online at: http://www.tandfonline.com/10.1080/07373937.2019.1645685[EN] Atmospheric freeze-drying (AFD) at -10 degrees C and moderate temperature convective drying (MTD) at 50 degrees C without and with ultrasound application (20.5 kW/m(3)) were carried out. Alcohol insoluble residue (AIR) and its swelling capacity (SC), water retention capacity (WRC) and fat retention capacity (FRC) were measured in the dried product. Ultrasound significantly shortened the drying time in both processes, the intensification effect being more significant in atmospheric freeze-drying (57% and 27% reduction in atmospheric freeze-drying and convective drying, respectively). As regards AIR and WRC, no effect was observed of either the drying temperature or ultrasound application. On the contrary, SC was significantly lower in AFD samples. The FRC of MTD samples was similar to that of the fresh ones and higher than the values obtained for atmospheric freeze-dried samples. Therefore, convective drying at moderate temperature preserved the AIR properties better than atmospheric freeze-drying.The authors acknowledge the financial support of INIA-ERDF through project RTA2015-00060-C04-02. We are also grateful for the economic support of the Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior - Brasil (Capes)- Finance Code 001, Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq) and Fundacao de Amparo a Pesquisa de Minas Gerais (FAPEMIG).Mello, RE.; Fontana, A.; Mulet Pons, A.; Correa, J.; Carcel, JA. (2020). Ultrasound-assisted drying of orange peel in atmospheric freeze-dryer and convective dryer operated at moderate temperature. Drying Technology. 38(1-2):259-267. https://doi.org/10.1080/07373937.2019.1645685S259267381-2Freire, F. B., Atxutegi, A., Freire, F. B., Freire, J. T., Aguado, R., & Olazar, M. (2016). An adaptive lumped parameter cascade model for orange juice solid waste drying in spouted bed. Drying Technology, 35(5), 577-584. doi:10.1080/07373937.2016.1190937Tasirin, S. M., Puspasari, I., Sahalan, A. Z., Mokhtar, M., Ghani, M. K. A., & Yaakob, Z. (2014). Drying ofCitrus sinensisPeels in an Inert Fluidized Bed: Kinetics, Microbiological Activity, Vitamin C, and Limonene Determination. Drying Technology, 32(5), 497-508. doi:10.1080/07373937.2013.838782Zielinska, M., Sadowski, P., & Błaszczak, W. (2015). Combined hot air convective drying and microwave-vacuum drying of blueberries (Vaccinium corymbosumL.): Drying kinetics and quality characteristics. Drying Technology, 34(6), 665-684. doi:10.1080/07373937.2015.1070358Moreno, C., Brines, C., Mulet, A., Rosselló, C., & Cárcel, J. A. (2017). Antioxidant potential of atmospheric freeze-dried apples as affected by ultrasound application and sample surface. Drying Technology, 35(8), 957-968. doi:10.1080/07373937.2016.1256890Garcia-Perez, J. V., Ortuño, C., Puig, A., Carcel, J. A., & Perez-Munuera, I. (2011). Enhancement of Water Transport and Microstructural Changes Induced by High-Intensity Ultrasound Application on Orange Peel Drying. Food and Bioprocess Technology, 5(6), 2256-2265. doi:10.1007/s11947-011-0645-0Do Nascimento, E. M. G. C., Mulet, A., Ascheri, J. L. R., de Carvalho, C. W. P., & Cárcel, J. A. (2016). Effects of high-intensity ultrasound on drying kinetics and antioxidant properties of passion fruit peel. Journal of Food Engineering, 170, 108-118. doi:10.1016/j.jfoodeng.2015.09.015Martins, M. P., Cortés, E. J., Eim, V., Mulet, A., & Cárcel, J. A. (2018). Stabilization of apple peel by drying. Influence of temperature and ultrasound application on drying kinetics and product quality. Drying Technology, 37(5), 559-568. doi:10.1080/07373937.2018.1474476García-Pérez, J. V., Cárcel, J. A., Riera, E., & Mulet, A. (2009). Influence of the Applied Acoustic Energy on the Drying of Carrots and Lemon Peel. Drying Technology, 27(2), 281-287. doi:10.1080/07373930802606428Blasco, M., García-Pérez, J. V., Bon, J., Carreres, J. E., & Mulet, A. (2006). Effect of Blanching and Air Flow Rate on Turmeric Drying. Food Science and Technology International, 12(4), 315-323. doi:10.1177/1082013206067352Garau, M. C., Simal, S., Femenia, A., & Rosselló, C. (2006). Drying of orange skin: drying kinetics modelling and functional properties. Journal of Food Engineering, 75(2), 288-295. doi:10.1016/j.jfoodeng.2005.04.017Garau, M. C., Simal, S., Rosselló, C., & Femenia, A. (2007). Effect of air-drying temperature on physico-chemical properties of dietary fibre and antioxidant capacity of orange (Citrus aurantium v. Canoneta) by-products. Food Chemistry, 104(3), 1014-1024. doi:10.1016/j.foodchem.2007.01.009Beigi, M. (2015). Hot air drying of apple slices: dehydration characteristics and quality assessment. Heat and Mass Transfer, 52(8), 1435-1442. doi:10.1007/s00231-015-1646-8Santos, P. H. S., & Silva, M. A. (2008). Retention of Vitamin C in Drying Processes of Fruits and Vegetables—A Review. Drying Technology, 26(12), 1421-1437. doi:10.1080/07373930802458911Gallego-Juárez, J. A., Riera, E., de la Fuente Blanco, S., Rodríguez-Corral, G., Acosta-Aparicio, V. M., & Blanco, A. (2007). Application of High-Power Ultrasound for Dehydration of Vegetables: Processes and Devices. Drying Technology, 25(11), 1893-1901. doi:10.1080/07373930701677371Santacatalina, J. V., Ahmad-Qasem, M. H., Barrajón-Catalán, E., Micol, V., García-Pérez, J. V., & Cárcel, J. A. (2014). Use of Novel Drying Technologies to Improve the Retention of Infused Olive Leaf Polyphenols. Drying Technology, 33(9), 1051-1060. doi:10.1080/07373937.2014.982251Silva, V. M., & Viotto, L. A. (2010). Drying of sicilian lemon residue: influence of process variables on the evaluation of the dietary fiber produced. Ciência e Tecnologia de Alimentos, 30(2), 421-428. doi:10.1590/s0101-20612010000200020Garcia-Amezquita, L. E., Tejada-Ortigoza, V., Campanella, O. H., & Welti-Chanes, J. (2018). Influence of Drying Method on the Composition, Physicochemical Properties, and Prebiotic Potential of Dietary Fibre Concentrates from Fruit Peels. Journal of Food Quality, 2018, 1-11. doi:10.1155/2018/9105237Abou-Arab, E. A., Mahmoud, M. H., & Abu-Salem, F. M. (2017). Functional Properties of Citrus Peel as Affected by Drying Methods. American Journal of Food Technology, 12(3), 193-200. doi:10.3923/ajft.2017.193.200Ghanem Romdhane, N., Bonazzi, C., Kechaou, N., & Mihoubi, N. B. (2015). Effect of Air-Drying Temperature on Kinetics of Quality Attributes of Lemon (Citrus limoncv. lunari) Peels. Drying Technology, 33(13), 1581-1589. doi:10.1080/07373937.2015.101226
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Optimisation and modelling of supercritical CO2 extraction process of carotenoids from carrot peels
This work aimed to assess and optimise the extraction of carotenoids from carrot peels by supercritical CO2 (S-CO2), utilising ethanol as co-solvent. The evaluated variables were temperature, pressure and co-solvent concentration. According to the validated model, the optimal conditions for maximum mass yield (5.31%, d.b.) were found at 58.5 °C, 306 bar and 14.3% of ethanol, and at 59.0 °C, 349 bar and 15.5% ethanol for carotenoid recovery (86.1%). Kinetic experiments showed that 97% of the total extractable carotenoid content was recovered after only 30 min, whereas model fitting confirmed the fast extraction trend and desorbing nature of carotenoids from the sample matrix. The process is potentially scalable, as demonstrated by runs performed with a 10-fold initial sample size, which led to even higher recoveries (96.2%), indicating that S-CO2 can be as efficient as a conventional solvent extraction for recovering high value compounds from vegetable by-products
Potential use of high levels of vegetal proteins in diets for market-sized gilthead sea bream (Sparus aurata)
[EN] The effect of partial or total dietary substitution of fishmeal (FM)
by vegetal protein sources on growth and feed efficiency was
carried out in on-growing gilthead sea bream (mean initial weight
131 g). The Control diet (FM 100) contained FM as the primary
protein source, while in Diets FM 25 and FM 0 the FM protein was
replaced at 75% and 100%, respectively, by a vegetable protein
mixture consisting of wheat gluten, soybean meal, rapeseed meal
and crystalline amino acids. Diets FM 25 and FM 0 also contained
krill meal at 47 g/kg in order to improve palatability. At the end of
the trial (after 158 d), fish survival was above 90%. Final weight
and the specific growth rate were statistically lower in fish fed the
Control diet (361 g and 0.64%/d), compared with 390–396 g and
0.69–0.70%/d after feeding vegetal diets. No significant differences
were found regarding feed intake and feed conversion ratio. The
digestibility of protein and amino acids (determined with chromium
oxide as indicator) was similar in all diets. The blood parameters
were not significantly affected by treatments. The activity
of trypsin and pepsin was significantly reduced after feeding Diet
FM 0. In the distal intestine, the villi length in fish fed Diet FM 25
was significantly longer and the intestine of the fish fed the FM
100 diet showed a smaller number of goblet cells. In conclusion, a
total FM substitution by a vegetal mix supplemented with synthetic
amino acids in on-growing sea bream is feasible.This work was supported by the Vicerrectorat d'Investigacio, Innovacio i Transferencia - Universitat Politecnica de Valencia, Project Name: Aquaculture feed without fishmeal (SP20120603). URLs of funder:http://www.upv.es/entidades/VIIT/info/indexnormalc.htm. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.Monge-Ortiz, R.; Martínez-Llorens, S.; Marquez, L.; Moyano-Lopez, FJ.; Jover Cerdá, M.; Tomas-Vidal, A. (2016). Potential use of high levels of vegetal proteins in diets for market-sized gilthead sea bream (Sparus aurata). Archives of Animal Nutrition. 70(2):155-172. https://doi.org/10.1080/1745039X.2016.1141743S15517270
The Effect of a Mycotoxin Deactivation Product on Growth of Juvenile Rainbow Trout Fed Distillers Dried Grains
Distillers dried grains (DDG) with solubles (DDGS) is a product that has shown potential as a protein source for some fish species, but high inclusion rates of DDGS have not always been successfully achieved for Rainbow Trout Oncorhynchus mykiss. Our objective was to determine whether inclusion of a mycotoxin deactivation product (Biofix Plus) could improve the ability of high-protein DDG (HPDDG) to replace a portion of the fish meal in diets for Rainbow Trout. The 2 × 2 factorial feeding trial examined protein source (menhaden fish meal [MFM] or HPDDG) with or without Biofix Plus. A control diet (42% digestible protein, 20% crude lipid, 25% MFM) was compared to a test diet in which HPDDG replaced 12% of the total MFM on a digestible-protein basis (24% HPDDG inclusion). Diets were fed to juvenile Rainbow Trout (initial weight: mean ± SE = 30.5 ± 1.6 g) in four replicate tanks per treatment for 9 weeks in a 15°C recirculating system. At the conclusion of the feeding trial, we observed no negative effects of fish meal replacement on growth or feed conversion ratio; no benefit of Biofix Plus supplementation was observed. These data indicate that when Rainbow Trout diets containing a high-quality DDGS product are balanced for digestible protein, lysine, methionine, and threonine, dietary fish meal levels can be successfully reduced to 13% without compromising growth and without the need for mycotoxin deactivator inclusion
Growth, sensory and chemical characterization of Mediterranean yellowtail (Seriola dumerili) fed diets with partial replacement of fish meal by other protein sources
[EN] An 84-day trial was performed to assess the use of alternative protein sources in Seriola dumerili. Three diets were used, FM100 diet, as a control diet without fishmeal substitution, and FM66 and FM33 diets with a fishmeal replacement of 330 g/kg and 660 g/kg, respectively. At the end of experiment, fish fed the FM66 diet showed the no differences in growth, nutritional parameters and fatty acid composition. Heavy metals present some differences but are always lower than risk levels.
In sensory analysis, differences between diets appeared in pH and color, and also in some texture parameters between FM33 and the other two diets. No differences appeared between diets related to flavor.
In summary, long periods of feeding with high fish meal substitution diets, affects Seriola dumerili growth; despite this the quality of the fillet was not affected even with a 66 % of substitution.This project was financed by "Generalitat Valenciana. Ayudas para grupos de investigacion consolidables."Monge-Ortiz, R.; Martínez-Llorens, S.; Lemos-Neto, M.; Falco, S.; Pagán Moreno, MJ.; Godoy-Olmos, S.; Jover Cerda, M.... (2020). Growth, sensory and chemical characterization of Mediterranean yellowtail (Seriola dumerili) fed diets with partial replacement of fish meal by other protein sources. Aquaculture Reports. 18:1-10. https://doi.org/10.1016/j.aqrep.2020.100466S11018Abbas, K. A., Mohamed, A., Jamilah, B., & Ebrahimian, M. (2008). A Review on Correlations between Fish Freshness and pH during Cold Storage. American Journal of Biochemistry and Biotechnology, 4(4), 416-421. doi:10.3844/ajbbsp.2008.416.421Álvarez, A., García García, B., Garrido, M. D., & Hernández, M. D. (2008). The influence of starvation time prior to slaughter on the quality of commercial-sized gilthead seabream (Sparus aurata) during ice storage. Aquaculture, 284(1-4), 106-114. doi:10.1016/j.aquaculture.2008.07.025AMIARD, J., AMIARDTRIQUET, C., BARKA, S., PELLERIN, J., & RAINBOW, P. (2006). Metallothioneins in aquatic invertebrates: Their role in metal detoxification and their use as biomarkers. Aquatic Toxicology, 76(2), 160-202. doi:10.1016/j.aquatox.2005.08.015Baeverfjord, G., Refstie, S., Krogedal, P., & Åsgård, T. (2006). Low feed pellet water stability and fluctuating water salinity cause separation and accumulation of dietary oil in the stomach of rainbow trout (Oncorhynchus mykiss). Aquaculture, 261(4), 1335-1345. doi:10.1016/j.aquaculture.2006.08.033Baeza-Ariño, R., Martínez-Llorens, S., Nogales-Mérida, S., Jover-Cerda, M., & Tomás-Vidal, A. (2014). Study of liver and gut alterations in sea bream,Sparus aurataL., fed a mixture of vegetable protein concentrates. Aquaculture Research, 47(2), 460-471. doi:10.1111/are.12507Bell, J. G., McEvoy, J., Tocher, D. R., McGhee, F., Campbell, P. J., & Sargent, J. R. (2001). Replacement of Fish Oil with Rapeseed Oil in Diets of Atlantic Salmon (Salmo salar) Affects Tissue Lipid Compositions and Hepatocyte Fatty Acid Metabolism. The Journal of Nutrition, 131(5), 1535-1543. doi:10.1093/jn/131.5.1535Benedito-Palos, L., Navarro, J. C., Sitjà-Bobadilla, A., Gordon Bell, J., Kaushik, S., & Pérez-Sánchez, J. (2008). High levels of vegetable oils in plant protein-rich diets fed to gilthead sea bream (Sparus aurataL.): growth performance, muscle fatty acid profiles and histological alterations of target tissues. British Journal of Nutrition, 100(5), 992-1003. doi:10.1017/s0007114508966071Bjerkeng, B., Refstie, S., Fjalestad, K. T., Storebakken, T., Rødbotten, M., & Roem, A. J. (1997). Quality parameters of the flesh of Atlantic salmon (Salmo salar) as affected by dietary fat content and full-fat soybean meal as a partial substitute for fish meal in the diet. Aquaculture, 157(3-4), 297-309. doi:10.1016/s0044-8486(97)00162-2De Francesco, M., Parisi, G., Médale, F., Lupi, P., Kaushik, S. J., & Poli, B. M. (2004). Effect of long-term feeding with a plant protein mixture based diet on growth and body/fillet quality traits of large rainbow trout (Oncorhynchus mykiss). Aquaculture, 236(1-4), 413-429. doi:10.1016/j.aquaculture.2004.01.006DE FRANCESCO, M., PARISI, G., PÉREZ-SÁNCHEZ, J., GÓMEZ-RéQUENI, P., MÉDALE, F., KAUSHIK, S. J., … POLI, B. M. (2007). Effect of high-level fish meal replacement by plant proteins in gilthead sea bream (Sparus aurata) on growth and body/fillet quality traits. Aquaculture Nutrition, 13(5), 361-372. doi:10.1111/j.1365-2095.2007.00485.xEstruch, G., Collado, M. C., Peñaranda, D. S., Tomás Vidal, A., Jover Cerdá, M., Pérez Martínez, G., & Martinez-Llorens, S. (2015). Impact of Fishmeal Replacement in Diets for Gilthead Sea Bream (Sparus aurata) on the Gastrointestinal Microbiota Determined by Pyrosequencing the 16S rRNA Gene. PLOS ONE, 10(8), e0136389. doi:10.1371/journal.pone.0136389Estruch, G., Collado, M. C., Monge-Ortiz, R., Tomás-Vidal, A., Jover-Cerdá, M., Peñaranda, D. S., … Martínez-Llorens, S. (2018). Long-term feeding with high plant protein based diets in gilthead seabream (Sparus aurata, L.) leads to changes in the inflammatory and immune related gene expression at intestinal level. BMC Veterinary Research, 14(1). doi:10.1186/s12917-018-1626-6Estruch, G., Tomás-Vidal, A., El Nokrashy, A. M., Monge-Ortiz, R., Godoy-Olmos, S., Jover Cerdá, M., & Martínez-Llorens, S. (2018). Inclusion of alternative marine by-products in aquafeeds with different levels of plant-based sources for on-growing gilthead sea bream (Sparus aurata, L.): effects on digestibility, amino acid retention, ammonia excretion and enzyme activity. Archives of Animal Nutrition, 72(4), 321-339. doi:10.1080/1745039x.2018.1472408Estruch, G., Martínez-Llorens, S., Tomás-Vidal, A., Monge-Ortiz, R., Jover-Cerdá, M., Brown, P. B., & Peñaranda, D. S. (2020). Impact of high dietary plant protein with or without marine ingredients in gut mucosa proteome of gilthead seabream (Sparus aurata, L.). Journal of Proteomics, 216, 103672. doi:10.1016/j.jprot.2020.103672Fountoulaki, E., Vasilaki, A., Hurtado, R., Grigorakis, K., Karacostas, I., Nengas, I., … Alexis, M. N. (2009). Fish oil substitution by vegetable oils in commercial diets for gilthead sea bream (Sparus aurata L.); effects on growth performance, flesh quality and fillet fatty acid profile. Aquaculture, 289(3-4), 317-326. doi:10.1016/j.aquaculture.2009.01.023Francis, G., Makkar, H. P. ., & Becker, K. (2001). Antinutritional factors present in plant-derived alternate fish feed ingredients and their effects in fish. Aquaculture, 199(3-4), 197-227. doi:10.1016/s0044-8486(01)00526-9Korkmaz Görür, F., Keser, R., Akçay, N., & Dizman, S. (2012). Radioactivity and heavy metal concentrations of some commercial fish species consumed in the Black Sea Region of Turkey. Chemosphere, 87(4), 356-361. doi:10.1016/j.chemosphere.2011.12.022Hu, L., Yun, B., Xue, M., Wang, J., Wu, X., Zheng, Y., & Han, F. (2013). Effects of fish meal quality and fish meal substitution by animal protein blend on growth performance, flesh quality and liver histology of Japanese seabass (Lateolabrax japonicus). Aquaculture, 372-375, 52-61. doi:10.1016/j.aquaculture.2012.10.025Izquierdo, M. S., Obach, A., Arantzamendi, L., Montero, D., Robaina, L., & Rosenlund, G. (2003). Dietary lipid sources for seabream and seabass: growth performance, tissue composition and flesh quality. Aquaculture Nutrition, 9(6), 397-407. doi:10.1046/j.1365-2095.2003.00270.xIzquierdo, M. S., Montero, D., Robaina, L., Caballero, M. J., Rosenlund, G., & Ginés, R. (2005). Alterations in fillet fatty acid profile and flesh quality in gilthead seabream (Sparus aurata) fed vegetable oils for a long term period. Recovery of fatty acid profiles by fish oil feeding. Aquaculture, 250(1-2), 431-444. doi:10.1016/j.aquaculture.2004.12.001Jover, M., Garcı́a-Gómez, A., Tomás, A., De la Gándara, F., & Pérez, L. (1999). Growth of mediterranean yellowtail (Seriola dumerilii) fed extruded diets containing different levels of protein and lipid. Aquaculture, 179(1-4), 25-33. doi:10.1016/s0044-8486(99)00149-0Martínez-Llorens, S., Baeza-Ariño, R., Nogales-Mérida, S., Jover-Cerdá, M., & Tomás-Vidal, A. (2012). Carob seed germ meal as a partial substitute in gilthead sea bream (Sparus aurata) diets: Amino acid retention, digestibility, gut and liver histology. Aquaculture, 338-341, 124-133. doi:10.1016/j.aquaculture.2012.01.029MARTINS, D. A., VALENTE, L. M. P., & LALL, S. P. (2011). Partial replacement of fish oil by flaxseed oil in Atlantic halibut (Hippoglossus hippoglossus L.) diets: effects on growth, nutritional and sensory quality. Aquaculture Nutrition, 17(6), 671-684. doi:10.1111/j.1365-2095.2011.00869.xMatallanas, J., Casadevall, M., Carrasson, M., Bolx, J., & Fernandez, V. (1995). The Food of Seriola Dumerili (Pisces: Carangidae) in the Catalan Sea (Western Mediterranean). Journal of the Marine Biological Association of the United Kingdom, 75(1), 257-260. doi:10.1017/s0025315400015356Monge-Ortiz, R., Tomás-Vidal, A., Gallardo-Álvarez, F. J., Estruch, G., Godoy-Olmos, S., Jover-Cerdá, M., & Martínez-Llorens, S. (2018). Partial and total replacement of fishmeal by a blend of animal and plant proteins in diets for Seriola dumerili
: Effects on performance and nutrient efficiency. Aquaculture Nutrition, 24(4), 1163-1174. doi:10.1111/anu.12655Monge-Ortiz, R., Tomás-Vidal, A., Rodriguez-Barreto, D., Martínez-Llorens, S., Pérez, J. A., Jover-Cerdá, M., & Lorenzo, A. (2017). Replacement of fish oil with vegetable oil blends in feeds for greater amberjack (Seriola dumerili) juveniles: Effect on growth performance, feed efficiency, tissue fatty acid composition and flesh nutritional value. Aquaculture Nutrition, 24(1), 605-615. doi:10.1111/anu.12595Mourente, G., & Bell, J. G. (2006). Partial replacement of dietary fish oil with blends of vegetable oils (rapeseed, linseed and palm oils) in diets for European sea bass (Dicentrarchus labrax L.) over a long term growth study: Effects on muscle and liver fatty acid composition and effectiveness of a fish oil finishing diet. Comparative Biochemistry and Physiology Part B: Biochemistry and Molecular Biology, 145(3-4), 389-399. doi:10.1016/j.cbpb.2006.08.012Nanton, D. 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Oxidative properties of Moringa oleifera kernel oil from different extraction methods during storage
BACKGROUND
Moringa oleifera (MO) kernel oil is categorized as high‐oleic oil which resembles olive oil. However, different from olive, MO trees are largely available in most subtropical and tropical countries. Therefore, in these countries, the benefits of oleic acid can be obtained at a cheaper price through consumption of MO kernel oil. This study reports on the effect of different extraction methods on oxidative properties of MO kernel oil during storage for 140 days at 13 0C, 25 0C, and 37 0C.
RESULTS
All aqueous enzymatic extraction (AEE)‐based methods generally resulted in oil with better oxidative properties and higher tocopherol retention than the use of solvent. Prior to AEE, boiling pre‐treatment deactivated the hydrolytic enzymes and preserved the oil quality. In contrast, high pressure processing (HPP) pre‐treatment accelerated hydrolytic reaction and resulted in higher free fatty acids after 140 days at all temperatures. No significant changes were detected in the oils' iodine values and fatty acid compositions. The tocopherol contents decreased significantly at both 13 0C and 25 0C after 60 days in the oil from SE method, and after 120 days in oils from AEE‐based methods.
CONCLUSION
These findings are significant in highlighting the extraction method resulting in crude MO kernel oil with greatest oxidative stability in the storage conditions tested. Subsequently, the suitable storage condition of the oil prior to refining can be determined. Further studies are recommended in determining the suitable refining processes and parameters for the MO kernel oil prior to application in variety food products
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