Search results for "Pascal"

Impact of high-pressure processing on the stability and bioaccessibility of bioactive compounds in Clementine mandarin juice and its cytoprotective e…

2020

Mandarin juice is a rich source of antioxidant bioactive compounds. While the content and profile of bioactives are known, the impact of high-pressure processing (HPP) on their stability and bioaccessibility (BA) is unknown, but may allow obtaining safe, nutritious, and fresh-tasting juices with highly extractable bioactive compounds. The stability and BA of bioactive antioxidant compounds in untreated and HPP-treated (400 MPa/40 °C/1 min) Clementine mandarin juices, and the cytoprotective effect of its bioaccessible fractions (BF) obtained after simulated gastrointestinal digestion against H2O2-induced oxidative stress in differentiated Caco-2 cells were investigated. The BF of HPP-treated…

Il cuore e la critica della ragione. Ripartire da Laporte

2018

The author presents the Italian translation of the text by Jean Laporte "Le coeur et la raison selon Pascal", identifying in the hearth a critic instance of reason. This reflection is conducted through the reference to the work of Jean Luc Marion in his essay on Negative Certainties.

Levi et Pascal sur la question de l’humanité

2016

National audience

High pressure processing of carrot juice: Effect of static and multi-pulsed pressure on the polyphenolic profile, oxidoreductases activity and colour.

2020

Abstract The aim of this study was to determine the influence of static and multi-pulsed hydrostatic pressure processing (HPP) treatments on the polyphenolic profile, oxidoreductase activity, colour, and browning index of carrot juice. Phenolic acids, flavonoids, lignans and other polyphenols were the predominant polyphenols detected with Triple-TOF-LC-MS/MS. The highest concentration of ferulic acid, didymin, dihydro-p-coumaric acid, sesaminol and matairesinol isomers were found among all the compounds detected. After HPP treatment, irrespective of the pressures applied, new simple polyphenols like oleuropein, 4-vinylsyringol, isocoumarin, and 4-hydroxybenzaldehyde were detected. Both phen…

Stevia rebaudiana Bertoni as a natural antioxidant/antimicrobial for high pressure processed fruit extract: Processing parameter optimization

2013

Response surface methodology was used to evaluate the optimal high pressure processing treatment (300-500 MPa, 5-15 min) combined with Stevia rebaudiana (Stevia) addition (0-2.5% (w/v)) to guarantee food safety while maintaining maximum retention of nutritional properties. A fruit extract matrix was selected and Listeria monocytogenes inactivation was followed from the food safety point of view while polyphenoloxidase (PPO) and peroxidase (POD) activities, total phenolic content (TPC) and antioxidant capacity (TEAC and ORAC) were studied from the food quality point of view. A combination of treatments achieved higher levels of inactivation of L. monocytogenes and of the oxidative enzymes, s…

Pascal and the question of technique

2017

The purpose of the essay is to discuss some implications of Pascal's philosophical discourse on the problem of technique and his rejections of Cartesian metaphysics. Author shows a singular perspective about technic in Blaise Pascal's philosophy. This perspective marks the difference with Descartes, linking technic to hearth and memory.

Comments from Pascal Schlich on the Steinsholt's paper

1998

International audience

Pascale Jakubowski Instruments anciens et musique contemporaine

2021

Espace et art de la formule visuelle à Rome sous le pontificat de Pascal Ier (817-824) : l’exemple de la basilique Sainte-Praxède

2006

Il s’agit de réfléchir sur les différentes formules (architecturales, textuelles et iconographiques) mises en œuvre par le pape Pascal Ier dans la basilique Sainte-Praxède à Rome et ce, afin de composer un discours ecclésiologique à la fois complexe et efficace. Figuré en porteur de maquette au sein même de l’église offerte, le pape se présente comme le fondateur d’un édifice dans lequel il cherche à se rendre omniprésent. Grâce à cette basilique conçue comme un reliquaire monumental, Pascal Ier se rapproche de plusieurs martyr(e)s romain(e)s et de Dieu tout en invitant les fidèles à dépasser le niveau du visible, du matériel, du sensible. La maquette de l’édifice présentée comme une matéri…

Effect of high-pressure processing on carotenoids profile, colour, microbial and enzymatic stability of cloudy carrot juice

2019

Abstract The objective of this work was to assess the impact of high-pressure processing (HPP) on the carotenoid profile, colour as well as the microbial and enzymatic stability of cloudy carrot juice. The predominant carotenoids in the fresh juices were by far the provitamin A carotenoids β-carotene and α-carotene. Others were ζ-carotene, phytofluene, phytoene and lutein. HPP at 300 MPa in three cycles caused the highest carotenoids degradation (41%) whereas the lowest degradation (26%) was achieved at 600 MPa. The highest inactivation of POD (31%) and PPO (57%) was achieved with 600 MPa and 300 MPa applied in three cycles, respectively what indicates that POD is more responsible for carot…