References of "Sindic, Marianne"
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See detailProlongation de la durée de conservation de l'huile de cactus par ajout des huiles essentielles de quelques plantes aromatiques de la région du Sud marocain et d'huile d'Argan
Zine, S.; El Hadek, M.; Sindic, Marianne ULg

in 5èmes Journées Internationales d'Etude sur les Lipides - JIEL 2011 : Graisses alimentaires, Lipides marins, Nutrition et Santé (2011, December 08)

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See detailSe faire une opinion sur l'huile de palme : éléments de compréhension
Delacharlerie, Sophie ULg; Poncelet, Céline ULg; Chèné, Christine et al

in Food Science and Law (2011), 2011(Oct-Nov-Déc), 2-9

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See detail2. Variétés - 1. Froment d'hiver
Seutin, Benoit ULg; Vancutsem, Françoise ULg; Couvreur, Luc et al

in Livre blanc: Céréales-Gembloux - Informations avant les semis (2011, September 08)

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See detailMid-infrared predictions of cheese yield from bovine milk
Vanlierde, Amélie ULg; Soyeurt, Hélène ULg; Anceau, Christine ULg et al

Conference (2011, August 31)

Economically, cheese yield (CY) is very important. Todate, empirical or theoretical formulae allow estimating the theoretical CY from milk fat and casein or protein content of milk. It would be ... [more ▼]

Economically, cheese yield (CY) is very important. Todate, empirical or theoretical formulae allow estimating the theoretical CY from milk fat and casein or protein content of milk. It would be interesting to predict CY during milk recording directly without the need to estimate milk components. Through the BlueSel project, 157 milk samples were collected in Wallonia from individual cows and analyzed using a mid-infrared (MIR) MilkoScanFT6000 spectrometer. Individual laboratory cheese yields (ILCY) were determined for each sample and expressed as g of dry coagulum/100 g of milk dry matter. An equation to predict ILCY from MIR was developed using partial least squared regression (Winisi III). A first derivative pre-treatment of spectra was used to correct the baseline drift. To improve the repeatability of the spectral data, a file which contained the spectra of samples analyzed on 5 spectrometers was used during the calibration. During calibration, 23 outliers were detected a nd removed from the calibration set. The ILCY mean of the final calibration set was 63.9% with a SD of 11.2%. The calibration (C) coefficient of determination (R²) was equal to 0.76 with a standard error (SE) of calibration of 5.5%. A full cross-validation (CV) was preformed to assess the robustness. R²cv was 0.72 with a SECV of 6.0%. The similarity between R²c and R²cv as well as between SEC and SECV permits to consider robustness of the developed equation as good. Even if it is planned to improve the equation with additional samples, this first equation will permit to study ILCY in the Walloon dairy cattle. [less ▲]

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See detailMid-infrared predictions of cheese yield from bovine milk
Vanlierde, Amélie ULg; Soyeurt, Hélène ULg; Anceau, Christine ULg et al

in Book of Abstracts of the 62nd Annual Meeting of the European Association for Animal Production (2011, August)

Economically, cheese yield (CY) is very important. Todate, empirical or theoretical formulae allow estimating the theoretical CY from milk fat and casein or protein content of milk. It would be ... [more ▼]

Economically, cheese yield (CY) is very important. Todate, empirical or theoretical formulae allow estimating the theoretical CY from milk fat and casein or protein content of milk. It would be interesting to predict CY during milk recording directly without the need to estimate milk components. Through the BlueSel project, 157 milk samples were collected in Wallonia from individual cows and analyzed using a mid-infrared (MIR) MilkoScanFT6000 spectrometer. Individual laboratory cheese yields (ILCY) were determined for each sample and expressed as g of dry coagulum/100 g of milk dry matter. An equation to predict ILCY from MIR was developed using partial least squared regression (Winisi III). A first derivative pre-treatment of spectra was used to correct the baseline drift. To improve the repeatability of the spectral data, a file which contained the spectra of samples analyzed on 5 spectrometers was used during the calibration. During calibration, 23 outliers were detected a nd removed from the calibration set. The ILCY mean of the final calibration set was 63.9% with a SD of 11.2%. The calibration (C) coefficient of determination (R²) was equal to 0.76 with a standard error (SE) of calibration of 5.5%. A full cross-validation (CV) was preformed to assess the robustness. R²cv was 0.72 with a SECV of 6.0%. The similarity between R²c and R²cv as well as between SEC and SECV permits to consider robustness of the developed equation as good. Even if it is planned to improve the equation with additional samples, this first equation will permit to study ILCY in the Walloon dairy cattle. [less ▲]

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See detailINFLUENCE OF SOLUBLE POLYSACCHARIDE ON THE ADHERENCE OF PARTICULATE SOILS
Toure, Yetioman ULg; Rouxhet, Paul G.; Dupont-Gillain, C. Christine et al

in Malayeri, Reza; Watkinson, Paul A.; Müller-Steinhagen, Hans (Eds.) Proceedings of International Conference on Heat Exchanger Fouling and Cleaning - 2011 (Peer-reviewed) (2011, June 11)

The removal of particulate soils from solid surfaces is the key process of cleaning many industrial devices, such as heat exchangers and spray dryers (food and pharmaceutical sector), and may be ... [more ▼]

The removal of particulate soils from solid surfaces is the key process of cleaning many industrial devices, such as heat exchangers and spray dryers (food and pharmaceutical sector), and may be influenced by the presence of solutes, in particular of macromolecules. The present study deals with the influence of soluble polysaccharide on the adherence of particulate fouling of open surfaces and on subsequent cleaning. Model substrates differing by hydrophobicity (glass and polystyrene) were soiled with a suspension of quartz particles, taken as a model of hard hydrophilic soil. Dextran was chosen as a model of soluble polysaccharide. The substrates were soiled with or without previous conditioning with the polysaccharide solution (80mg/l). The quartz particles suspension was prepared in three ways: (i) suspension in a polysaccharide solution (80mg/l), (ii) same as (i) and subsequent washing three times, (iii) suspension in water. The substrates were soiled by spraying the suspension and dried for 30min before cleaning treatment with a water flow in a radial flow chamber. The aggregates observed after soiling differed considerably between glass and polystyrene, whether the substrate and/or the quartz particles were or were not conditioned with dextran. Conditioning polystyrene with dextran increased slightly the adherence of quartz particles, while the opposite was observed when conditioning glass with dextran, whatever the mode of quartz particles conditioning. The effect of conditioning quartz particles with dextran at the concentration used was not significant. [less ▲]

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See detailINFLUENCE OF SOLUBLE POLYSACCHARIDE ON THE ADHERENCE OF PARTICULATE SOILS
Toure, Yetioman ULg; Rouxhet, G. Paul; Dupont-Gillain, C. Christine et al

Conference (2011, June)

The removal of particulate soils from solid surfaces is the key process of cleaning many industrial devices, such as heat exchangers and spray dryers (food and pharmaceutical sector), and may be ... [more ▼]

The removal of particulate soils from solid surfaces is the key process of cleaning many industrial devices, such as heat exchangers and spray dryers (food and pharmaceutical sector), and may be influenced by the presence of solutes, in particular of macromolecules. The present study deals with the influence of soluble polysaccharide on the adherence of particulate fouling of open surfaces and on subsequent cleaning. Model surfaces differing by hydrophobicity (glass and polystyrene) were soiled with a suspension of quartz particles, taken as a model of hard hydrophilic soil. Dextran was chosen as a model of soluble polysaccharide. The surfaces were soiled with or without previous conditioning with the polysaccharide solution (80mg/l). The quartz particles suspension was prepared in three ways: (i) suspension in a polysaccharide solution (80mg/l), (ii) same as (i) and subsequent washing three times, (iii) suspension in water. The surfaces were soiled by spraying the suspension and dried for 30min before cleaning treatment with a water flow in a radial flow chamber. The aggregates observed after soiling differed considerably between glass and polystyrene, whether the surface and/or the quartz particles are conditioned with dextran. Conditioning polystyrene with dextran increased slightly the adherence of quartz particles, while the opposite was observed when conditioning glass with dextran, whatever the mode of quartz particles conditioning. The effect of conditioning quartz particles with dextran at the concentration used was not significant. [less ▲]

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See detailFunctional and physicochemical properties of starches isolated from pearl millet landraces grown in hyperarid regions
Boudries, Nadia; Sindic, Marianne ULg; Nadjemi, Boubekeur et al

Poster (2011, May 31)

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See detailDétermination de la stabilité de l'huile de Cactus
Zine, Salma; El Hadek, Miloud; Hassani, Lalla Mina Idrissi et al

Poster (2011, May 12)

Les travaux que nous avons effectués sur l'étude de l'oxydation et de la conservation des huiles ont montré que l'huile d'argan peut être conservée pour une durée de 400 jours sous azote et à l'obscurité ... [more ▼]

Les travaux que nous avons effectués sur l'étude de l'oxydation et de la conservation des huiles ont montré que l'huile d'argan peut être conservée pour une durée de 400 jours sous azote et à l'obscurité. Les travaux que nous avons effectués sur l'étude de l'oxydation et de la conservation des huiles ont montré que l'huile d'argan peut être conservée pour une durée de 400 jours sous azote et à l'obscurité. [less ▲]

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See detailEtude de l'extraction de l'huile de Cactus
Zine, Salma; El Hadek, Miloud; Hassani, Lalla Mina Idrissi et al

in Ouvrage collectif (Ed.) 4ème Symposium International Plantes Aromatiques et Médecinales "De la plante à la pratique tharapeutique" SIPAM4 (2011, May 12)

Généralement en été, les quantités en figues de barbarie se trouvent en surabondance dans les lieux de production plus que sur les lieux de vente. Les lieux de production se trouvent loin de ceux de ... [more ▼]

Généralement en été, les quantités en figues de barbarie se trouvent en surabondance dans les lieux de production plus que sur les lieux de vente. Les lieux de production se trouvent loin de ceux de consommation et les périodes de récolte coïncident avec les moments les plus chauds de l'année. Ces facteurs facilitent l'altération des fruits par divers phénomènes physiques, chimiques et microbiologiques, ce qui entraîne d'énormes pertes pour les producteurs. Les rejets de fruits sont des sources de graines riches en huile. [less ▲]

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See detailCaractérisation physicochimique et évaluation de la qualité des dattes des cultivars de palmier dattier de la région de Figuig
Hasnaoui, A.; ElHoumaizi, M. A.; Hakkou, A. et al

Poster (2011, May)

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See detailRôle du réseau REQUASUD en matière de qualité des produits.
Sindic, Marianne ULg

Scientific conference (2011, April 07)

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See detailLa Cellule Qualité Produits Fermiers partenaire de diversification. Bilan microbiologique des produits laitiers artisanaux
Sanchez-Alcaraz, Maria-Thérésa ULg; Helleputte, Murielle ULg; Godrie, Thérèse ULg et al

in 16ème Carrefour des Productions animales : la filière laitière bovine est-elle durable? (2011, March)

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See detailVariabilité et amélioration des aptitudes à la transformation fermière du lait au travers du projet ProFARMilk
Colinet, Frédéric ULg; Sindic, Marianne ULg; Anceau, Christine ULg et al

in 16ième Carrefour des Productions animales: La filière laitière bovine européenne est-elle durable? (2011, March)

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See detailINFLUENCE OF DRYING TEMPERATURE ON THE CORN WET-MILLING PROCESS: REVIEW
Malumba Kamba, Paul ULg; Janas, Sébastien; Sindic, Marianne ULg et al

in Filipovic, Lovro, A. (Ed.) Milling: Operations, Applications and Industrial Effects (2011)

In order to separate its major components, corn kernel is processed using the wet-milling process during which steeping, milling and starch/gluten separations appear to be the most important operations ... [more ▼]

In order to separate its major components, corn kernel is processed using the wet-milling process during which steeping, milling and starch/gluten separations appear to be the most important operations. To improve the efficiency of this process, corn wet-milling industry expended considerable resources focusing on improved process control, more efficient process equipment and on the development of hybrids that decrease the variability and reduce production costs. However, important variability is still observed according to the thermal history of grain after harvesting. The present article reviews up-to-date literature on the effect of drying conditions on the corn wet-milling performance and the physicochemical and functional properties of corn wet-milled fraction. Literature in this topic shows that high drying temperature combined with high initial moisture content of grain impact significantly the wet-milling performance and the quality of recovered materials. Further studies on the influence of drying process on the quality of starch, gluten, germ and fiber recovered during the wet-milling process are needed and would help to develop more accurate engineering and economic models for the corn wet milling process. [less ▲]

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See detailEffect of blend levels on composite wheat doughs performance made from yam and cassava native starches and bread quality
Nindjin, Charlemagne; Amani, G. N.; Sindic, Marianne ULg

in Carbohydrate Polymers (2011), 86

The effects of refined wheat flour substitution with two native starches from yam tuber and cassava root, and two commercial products, a specialty starch, C*Actistar and a wheat bran flour, at 10%, 20 ... [more ▼]

The effects of refined wheat flour substitution with two native starches from yam tuber and cassava root, and two commercial products, a specialty starch, C*Actistar and a wheat bran flour, at 10%, 20%, 30%, 40% and 60% dry basis, on the rheological properties of dough and bread characteristics, have been examined. In general, during the mixing phase, the substitution of white wheat flour for starch or wheat bran flour had a tendency to modify the flour strength from strong to weak, depending on the nature of the added fraction and the level of substitution. Yam starch and wheat bran flour weakened dough strength to a lesser extent in comparison with cassava starch, and by far, the resistant starch, C*Actistar. In addition, differences in dough expansion appeared among the botanical origins of composite dough and the blend proportions, during the fermentation phase. White wheat flour substitution for yam starch up to 30% or cassava starch up to 20% led to kinetics expansions of resulted doughs close to that of the control, while those of doughs containing C*actistar starch or wheat bran flour were significantly slower than that of the control, whatever the level of substitution. The baking phase showed that yam starch enriched breads from 10% to 40% of substitution and cassava starch enriched breads from 10% to 30% of substitution gave as bulky loaves as the refined wheat bread. Beyond these concentrations, the resulting breads were less voluminous. Hedonic tests revealed that, 30% yam starch substitution and 20% added cassava starch led to composite breads which met consumer satisfaction on all attributes, as the control. [less ▲]

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See detailCaractérisation des composés volatils des huiles d’olive produites dans des coopératives de la région orientale du Maroc
Tanouti, K.; Serghini-Caid, H.; Sindic, Marianne ULg et al

Poster (2011)

L'objectif principal de cette étude est de faire progresser nos connaissances sur le profil volatil des huiles d’olive produite dans les régions du Maroc oriental. L’identification des composés volatils des ... [more ▼]

L'objectif principal de cette étude est de faire progresser nos connaissances sur le profil volatil des huiles d’olive produite dans les régions du Maroc oriental. L’identification des composés volatils des échantillons d’huiles d’olive provenant des coopératives de la région orientale du Maroc et la comparaison aux profils de volatils d’huiles européennes a été réalisée on utilisant la méthode de la microextraction en phase solide (SPME) couplée à la GC/MS. [less ▲]

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