References of "Blecker, Christophe"
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See detailBinary Phase Behavior of Saturated Triacylglycerols containing Stearic and Palmitic Acid
Bhaggan, Krishnadath ULg; Smith, K.W.; Blecker, Christophe ULg et al

Conference (2016, September)

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See detailEnzymatic interesterification for the formulation of high quality zero trans fats from rapeseed oil
Gibon, V.; Closset, S.; Maes, J. et al

Conference (2016, September)

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See detailFrench Fries Texture Measurement
Blecker, Christophe ULg

Conference given outside the academic context (2016)

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See detailThe addition effect of Tunisian date seed fibers on the quality of chocolate spreads
Bouaziz, M. A.; Abbes, F.; Mokni, A. et al

in Journal of Texture Studies (2016)

Novel chocolate spreads were enriched by soluble and insoluble dietary fibers from Tunisian Deglet Nour date seeds at 1, 2, 3, 4 and 5% levels in the conventional chocolate spread. Defatted Deglet Nour ... [more ▼]

Novel chocolate spreads were enriched by soluble and insoluble dietary fibers from Tunisian Deglet Nour date seeds at 1, 2, 3, 4 and 5% levels in the conventional chocolate spread. Defatted Deglet Nour date seeds (DNDS), date seed soluble fiber concentrate (DSSFC) and date seed insoluble fiber concentrate (DSIFC) were characterized by high levels of dietary fibers (80 – 90%). Chocolate spread enriched with 5% of DSSFC presented the highest OBC (304.62%) compared to the control (102%). Whatever the DSIFC and DSSFC incorporation levels, no significant difference was recorded between the firmness, chewiness and adhesiveness of prepared chocolate spreads compared to the control (P<0.05). Sensory evaluation revealed that all prepared chocolate spreads enriched by DSIFC and DSSFC were accepted by panelists. These results indicated the value of date seeds as new source of dietary fibers to develop chocolate spread and could also improve health benefits and functional properties. [less ▲]

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See detailTHE IMPACT OF EMULSIFICATION AND WHIPPING ON FAT CRYSTALLIZATION BEHAVIOR: A COMPARATIVE STUDY BETWEEN ANHYDROUS MILK FAT AND A LAURIC FAT
Petrut, Raul Flaviu ULg; Blecker, Christophe ULg; Van Hoed, Vera et al

in International Journal of Research in Engineering and Technology (2016), 05(06), 247-260

In the present study, one commercial lauricfat (LF) and one anhydrous milk fat (AMF) were compared for their behavior in three different states: bulk, O/W emulsion and whipped cream. The objective of this ... [more ▼]

In the present study, one commercial lauricfat (LF) and one anhydrous milk fat (AMF) were compared for their behavior in three different states: bulk, O/W emulsion and whipped cream. The objective of this work was to identify the crystallization and polymorphic behavior of the aforementioned fats, while pointing out the differences between the two fats, and for each of them, between the fat’s bulk, O/W emulsion and whipped cream state. For this purpose a combination of differential scanning calorimetry (DSC) stop&return, pulsed nuclear magnetic resonance (p-NMR) and powder X-Ray diffraction (XRD) was employed. In the bulk phase, during crystallization under quiescent conditions, the two fats show a distinct thermal and polymorphic behavior. In this regards, the AMF would require a lower supercooling degree or a longer crystallization time compared to LF which showed little/no evolution during the isothermal crystallization. The XRD measurement revealed a mix of α and β’ form for LF, all forms in a double chain lamellar structure (2L). Under the same conditions the bulk AMF was characterized by a 2Lα + 2Lβ’ and in addition compared to the lauric fat, a 3Lα form. The pointed differences exist between the two fats, mainly due to their chemical compositions. The emulsification/whipping did not affect the behavior of neither AMF nor LF. The lack of differences between bulk, O/W emulsion and whipped cream of the same fat upon DSC stop&return disclose the presence of heterogeneous nucleation in all three states. Regardless the complexity of fat chemical composition, throughout obtaining O/W food emulsion and/or structured creams the fat can be processed without altering its original properties. [less ▲]

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See detailCrystallization behavior of neutralized and bleached shea butter under dynamic conditions
Gibon, V.; Dijckmans, P.; Blecker, Christophe ULg et al

Poster (2016, May 01)

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See detailEffect of Cooling and Shear Rates on Physicochemical Properties of Binary Fat Blends Based on Shea Stearin
Danthine, Sabine ULg; Delatte, Sophie; Smith, Kevin M. et al

Conference (2016, May)

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See detailBinary Phase Behavior of tripalmitoylglycerol and 1,3-dipalmitoyl-2-stearoyl-sn-glycerol
Bhaggan, K.; Smith, K. W.; Blecker, Christophe ULg et al

Poster (2016, May)

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See detailCARACTERISATION STRUCTURALE, FONCTIONNELLE ET ACTIVITE ANTIHYPERTENSIVE DES POLYSACCHARIDES EXTRAITS DES GRAINES DE POIS CHICHE
MOKNI GHRIBI, Abir; SILA, Assaâd; MAKLOUF GAFSI, Ines et al

Poster (2016, April 22)

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See detailIn situ analysis of lipid oxidation in oilseedbased food products using near-infrared spectroscopy and chemometrics: The sunflower kernel paste (tahini) example
Mureșan; Danthine, Sabine ULg; Mureșan, Andruța Elena et al

in Talanta (2016), 155

A new near-infrared (NIR) spectroscopic method was developed for the analytical measurement of lipid oxidation in sunflower kernel paste (tahini), which was chosen as an example of a complex oilseed-based ... [more ▼]

A new near-infrared (NIR) spectroscopic method was developed for the analytical measurement of lipid oxidation in sunflower kernel paste (tahini), which was chosen as an example of a complex oilseed-based food product. The NIR spectra of sunflower tahini were acquired for the extracted fat phase (EFP) and for the intact sunflower tahini (IST) samples during controlled storage. The best peroxide value (PV) calibration models were considered suitable for quality control (ratio of performance of deviation [RPD] >5). The best PV partial least squares (PLS) model result for EFP (RPD 6.36) was obtained when using standard normal variate (SNV) and the Savitzky-Golay first derivative in the 1140-1184 nm, 1388-1440 nm and 2026-2194 nm regions. In the case of IST spectra, the best PV models (RPD 5.23) were obtained when either multiple scattering correction (MSC) or SNV were followed by the Savitzky-Golay second derivative for the 1148-1180 nm and 2064-2132 nm regions. There were poor correlations between the NIR-predicted values and the reference data of the panisidine value (pAV) for both EFP and IST. Overall, the results obtained showed that NIR spectroscopy is an appropriate analytical tool for monitoring sunflower paste PV in situ. Due to the nonexistence of the extraction step, it demonstrates a unique and substantial advantage over presently known methods. Based on these results it is strongly recommended that, when using NIR PLS models to assess lipid oxidation in situ in similar oilseedbased food products (e.g., sesame tahini, hazelnut and cocoa liquor used for chocolate production, peanut butter, hazelnut, almond, pistachio spreads), suitable calibration sets containing samples of different particle sizes and stored at different temperatures be selected. [less ▲]

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See detailEFFECT OF EXTRACTION pH ON PHYSICO-CHEMICAL, ENZYMATIC AND TECHNOLOGICAL PROPERTIES OF CRUDE EXTRACTS FROM WILD CARDOON (CYNARA CARDUNCULUS L.) FLOWERS
BEN AMIRA, Amal; BESBES, Souhail; ATTIA, Hamadi et al

Conference (2016, March 22)

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See detailÉTUDE DES PROPRIETES RHEOLOGIQUES DES PATES A PAIN SANS GLUTEN
DOUIRI, Sabrine; Blecker, Christophe ULg; ATTIA, Hamadi et al

Conference (2016, March 22)

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See detailPURIFICATION ET IDENTIFICATION DE PEPTIDES DOUES D’ACTIVITES BIOLOGIQUES A PARTIR DES HYDROLYSATS PROTEIQUES DE POIS CHICHE
MOKNI GHRIBI, Abir; SILA, Assaâd; PRZYBYLSKIC, Rémy et al

Conference (2016, March 22)

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See detailTHERAPEUTIC EFFECT ANTIOXIDANT OF EGCG EXTRACT OF GREEN TEA POLYPHENOLS
AMROUCHE, Zoheir; ELHADI, Djamel; BITAM, Arezki et al

Conference (2016, March 22)

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See detailIMPACT OF EXTRACTION CONDITIONS ON CHEMICAL STRUCTURE, THERMAL PROPERTIES AND ANTIOXIDANT ACTIVITIES OF ULVAN FROM THE GREEN SEAWEED ULVA LACTUCA
Yaich, Hela; Garna, Haikel; Abbès, Fatma et al

Poster (2016, March 21)

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See detailOXIDATION OF ß-D-GLUCAN EXTRACTED FROM BAKER’S YEAST SACCHAROMYCES CEREVISIAE: PHYSICOCHEMICAL AND STRUCTURAL PROPERTIES
BORCHANI, Chema; FONTEYN, Fabienne; JAMIN, Guilhem et al

Conference (2016, March 21)

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