traction yield of total phenolics was investigated. The influence of different extraction temperatures (room tem-perature, 30, 40, 50 and 60 ºC) on the content of total phenolics and flavonoids and antioxidative activity of the extract was also investigated. The content of total phenolics and flavonoids in the obtained sage extracts was de-

Evaluation de l'efficacité de trois méthodes d'extraction d'ADN de la biomasse microbienne totale du compost . × Close Log In. Log in with Facebook Log in with Google. or. Email. Password. Remember me on this computer. or reset password. Enter the email address you signed up with and we'll email you a reset link. ...

Conclusion 17 Notre travail avait pour but de mettre en évidence les différentes méthodes d'extraction et de purification des enzymes, notamment celles …

There are so many different extraction techniques described in literature for the sage extraction as, e.g.: the hydrodistillation, the conventional organic solvent extraction, the ultrasound-assisted solvent extraction and the subcritical or supercritical extraction using CO 2 as solvent (SFE or SCCO 2 extraction). All of them have

microbienne des voies nasales et la diversité microbienne de la peau. Parmi les « core species » retrouvées dans cette étude, un grand nombre (72% de l'ensemble des séquences « pathogen-related

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7-Zip: The Best For Most People. WinZip and WinRAR may be names, but we recommend against using them. These tools are commercial software applications that nag you to spend money rather than just doing their job and getting out of the way. WinZip costs a minimum of $30, while WinRAR costs $29.

Salvia officinalis L. is a good source of antioxidant compounds such as phenolic diterpenes carnosic acid and carnosol. From 17 deep eutectic solvents (DESs) used, choline chloride: lactic acid (1:2 molar ratio) was found to be the most suitable for the extraction of targeted compounds. The influence of H2O content, extraction time, and …

Recently, MAE has been utilized for the recovery of polyphenols from sage ( Putnik et al., 2016 ). According to Tiwari (2015), the most important parameters …

2 Unité de Recherche et de Biotechnologie Microbienne, Faculté de Médecine, de Pharmacie et d'Odontologie, Université Cheikh Anta DIOP, Hôpital Aristide Le Dantec, B.P. 3001, Dakar, Sénégal. ... Extraction Les feuilles ont été séchées au laboratoire dans un endroit sec, aéré, à l'abri de

This is similar to our results for Run 2 (mixing and heating) and Run 3 (UAE), but with a significantly higher amount of carnosol in our case. Sage extraction with 80% methanol over 24 h at room temperature led to the extraction of carnosic acid only with the content of 273.8 mg 100 g −1 of the plant dry weight, much

PDF | On Mar 24, 2021, Asmaa Benaissa published COURS DE TECHNIQUES D'ANALYSE MICROBIOLOGIQUE | Find, read and cite all the research …

L'immunité dans les maladies microbiennes. Hector Lebrun est un témoin privilégié de l'émergence de ce consensus. À la fin des années 1890, il affirme sa prédominance : « Tout le ...

This article presents a novel line segment extraction algorithm using two-dimensional (2D) laser data, which is composed of four main procedures: seed-segment detection, region growing, ... SAGE Business Cases Real-world cases at your fingertips opens in new tab;

Achetez sur Alibaba pour un microbial fermentation and extraction durable et convivial. Ces microbial fermentation and extraction sont créés uniquement pour le rendre amusant et facile à préparer à la maison. ... La Fermentation Microbienne Et D'extraction (117 products available) Bailun pour fabrication microbien, ouvre-boîte, 15 ...

Sage Science to implement the Pippin platform for DNA sizing. She found that one of the benefits of using this solution was boosting the sample recovery. With manual gel extraction, a lot of the DNA is lost, but with the Pippin automated size selection, sample yield is significantly higher (Bridger). In cases where Fisher's team would have ...

A sample of sage (Salvia officinalis L.), with mass of 60 g and particle size d = 0.22 mm is extracted in the extractor of internal volume V = 200 ml, at a pressure p = 100 bar, flow rate of extractant w = 3.23 ∙ 10 −3 kg/min and temperatures 313, 323 i 333 K (8, 9).Test results of kinetic extraction, i.e. total yield of extract depending on the …

There are so many different extraction techniques described in literature for the sage extraction as, e.g.: the hydrodistillation, the conventional organic solvent extraction, the …

Check 'extraction microbienne' translations into English. Look through examples of extraction microbienne translation in sentences, listen to pronunciation and learn …

476 M. DENT et al., Comparison of Conventional and Ultrasound-assisted Extraction…, Chem. Biochem. Eng. Q., 29 (3) 475–484 (2015) ter,3,15–19 water and acetone.17 Ultrasound-assisted extraction can also provide the opportunity for en-hanced extraction of heat-sensitive bioactive com-ponents at lower processing temperatures15, and is a more …

Effects of particle size, temperature, contact time, solvent-to-sage ratio and the ethanol–water ratio on the extraction of the active compounds rosmarinic acid, carnosic compounds and essential oil from dried sage (Salvia officinalis) were studied.Optimal extraction conditions giving highest yield of all three active compounds were particle …

Due to the desirability of DESs in the extraction of phenolic components, we decided to extract phenolic diterpenes, carnosic acid, and carnosol from sage ( Salvia …

The supercritical carbon dioxide (SFE) extraction of Dalmatian sage (Salvia officinalis L.) was investigated and compared to extraction performed by Soxhlet ethanol–water (70:30) mixture extraction (SE) and hydrodistillation (HD).The supercritical extraction allowed isolation of wide spectrum of phytochemicals, while other applied …

The results show that the yield of extraction increases with extraction time, with the highest extraction yield obtained at temperature of 40 °C with 4.44 g/100 g sage at extraction time of 600 min. As the extraction temperature increases from 40 to 60 °C, the maximum extract yield decreases from 4.44 g/100 g sage to 3.01 g/100 g sage and 3. ...

Introduction. Sage (Salvia officinalis L.) represents an interesting medicinal plant which is commonly used in the form of the filter tea.Besides that, sage leaves (Salviae folium), essential oil (Salviae aetheroleum) and its tincture are official drugs according to European Pharmacopoeia [1].Sage has great commercial value due to its various …

The combination of ultrasound-assisted extraction followed by re-extraction of obtained extract with supercritical CO(2) was performed in this study. The goal of performed investigation was to concentrate diterpenes present in sage extract which are generally considered to be responsible for antioxidant activity of extracted compounds.

The aim of this work was to study the extraction efficiency of three classes of compounds: rosmarinic acid, carnosic acid (and related compounds) and essential oil …

The supercritical carbon dioxide (SFE) extraction of Dalmatian sage (Salvia officinalis L.) was investigated and compared to extraction performed by Soxhlet ethanol–water (70:30) mixture extraction (SE) and hydrodistillation (HD). The supercritical extraction allowed isolation of wide spectrum of phytochemicals, while other applied …

Request PDF | Vers une optimisation de la procédure d'extraction d'ADN des sols pour caractériser la diversité microbienne tellurique par le pyroséquençage des gènes ribosomiques ...

La recuperation d'energie ambiante est une solution efficace et respectueuse de l'ecosysteme pour alimenter de maniere autonome des noeuds de capteurs, promouvant ainsi leur deploiement dans differents environnements. La pile microbienne benthique (SMFC) est un systeme recuperant l'energie de la biomasse sedimentaire a l'aide du …

The combination of ultrasound-assisted extraction followed by re-extraction of obtained extract with supercritical CO(2) was performed in this study. The goal of performed …