Results 21 to 30 of about 508,153 (303)

Determination of organic acids evolution during apple cider fermentation using an improved HPLC analysis method

, 2008
An efficient method for analyzing ten organic acids in food, namely citric, pyruvic, malic, lactic, succinic, formic, acetic, adipic, propionic and butyric acids, using HPLC was developed. Boric acid was added into the mobile phase to separate lactic and
Zhou, F., Nout, M.J.R., Fang, Q., Zhang, H., Ji, B., Zhang, Z.   +5 more
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Biogeochemical consequences of vertical and lateral transport of particulate organic matter in the southern North Sea: A multiproxy approach [PDF]

, 2015
Vertical and lateral transports are of importance in continental shelf systems such as the North Sea andplay a major role in the processing of organic matter.
Middelburg, J.J., Organic geochemistry & molecular biogeology, Geochemistry, Organic geochemistry, Sinninghe Damsté, J.S., Le Guitton, M., Soetaert, K.   +6 more
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Structural changes in lipid-free humic acids during composting of sewage sludge [PDF]

, 2005
Structural changes in humic acids (HAs), extracted after lipid removal from sewage sludge during composting, were investigated using various chemical methods (elemental analysis, Fourier transform infrared spectroscopy and 13C-nuclear magnetic resonance
Amir, Soumia, Hafidi, Mohamed, Revel, J.C., Merlina, Georges, Revel, Jean-Claude   +4 more
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DETERMINATION AND IDENTIFICATION OF ORGANIC ACIDS IN THREE TYPES OF ROYAL JELLY [PDF]

Journal of Plant Protection and Pathology, 2011
Organic acids in three types of royal jelly (RJ) [Egyptian, Germany and Chinese RJ] were identified and determined with high performance liquid chromatography (HPLC).
Sawsan EL Mohandes, E. Nafea
doaj   +1 more source

Production processes of fermented organic acids targeted around membrane operations: design of the concentration step by conventional electrodialysis [PDF]

, 2001
Organic acids are increasingly used for various industrial applications. Their production is mainly achieved by fermentation. Precipitation or extraction stages, which generate big amount of effluents, are then traditionally used to get the acid in a ...
Bailly, Mathieu, Roux-de Balmann, Hélène, Aimar, Pierre, Lutin, Florence, Cheryan, Munir   +4 more
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Structural characterization of humic acids, extracted from sewage sludge during composting, by thermochemolysis–gas chromatography–mass spectrometry [PDF]

, 2006
Thermochemolysis coupled with gas chromatography and mass spectrometry were applied to determine the structure of humic acids (HA) extracted from a sewage sludge and straw mixture at different steps of composting.
Bailly, J.-R., Hafidi, Mohamed, Pinelli, Eric, Revel, J.-C., Merlina, Georges, Pinelli, E., Amblès, André, Hafidi, M., Guiresse, Agnès Maritchù, Guiresse, M., Revel, Jean-Claude, Kaemmerer, Michel, Merlina, G., Amir, Soumia, Kaemmerer, M., Bailly, Jean-René, Lemee, Laurent   +16 more
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Organic Acids Modified Starch–CMC Based Biodegradable Film: Antibacterial Activity, Morphological, Structural, Thermal, and Crystalline Properties

, 2023
A novel organic acid-modified starch and carboxymethyl cellulose (CMC) based films plasticized with glycerol were prepared from unconventional tikhur starch (Curcuma angustifolia) by solution casting.
Gayatri Singh, A.A. Broadway, Parvinder Kaur, Harinder Singh, Jyoti Jain, Tanweer Alam   +5 more
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The role of different natural organic acids in postharvest fruit quality management and its mechanism

Food Frontiers, 2023
Fresh fruits have good flavor and high nutritional value, but in the postharvest stage they will age and decay rapidly, so we need to find green postharvest fruit preservatives.
Wanli Zhang, Yueming Jiang, Zhengke Zhang   +2 more
doaj   +1 more source

Can agricultural cultivation methods influence the healthfulness of crops for foods

, 2012
The aim of the current study was to investigate if there are any health effects of long-term consumption of organically grown crops using a rat model. Crops were retrieved over two years from along-term field trial at three different locations in Denmark ...
Lauridsen, Charlotte, Olesen, Jørgen E., Jørgensen, Henry, Jensen, Maja M., Halekoh, Ulrich   +4 more
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Organic Acids Regulation of Chemical–Microbial Phosphorus Transformations in Soils [PDF]

, 2016
We have used an integrated approach to study the mobility of inorganic phosphorus (P) from soil solid phase as well as the microbial biomass P and respiration at increasing doses of citric and oxalic acid in two different soils with contrasting agronomic
Paredes, C., Brown, Lawrie, Patricia Cooper (2554459), Lumsdon, D., Charles Shand (2554483), Timothy S. George (3225363), Haygarth, Philip M., Cooper, P., Daniel Menezes-Blackburn (2554468), Zhang, H., George, Timothy S., Lumsdon, David, Brown, L., Hao Zhang (15339), Wendler, R., Marc Stutter (2554474), George, T. S., Giles, Courtney D., Lawrie Brown (2554486), Cooper, Patricia, David Lumsdon (2554462), Renate Wendler (2554480), Tegan Darch (2554471), Blackwell, M. S. A., Paredes, Cecilia, Haygarth, P. M., Blackwell, Martin, Darch, T., Wearing, C., Zhang, Hao, Darch, Tegan, Philip M. Haygarth (2528005), Shand, C., Wearing, Catherine, Giles, C. D., Stutter, M., Stralia, V. P., Cecilia Paredes (1710817), Shand, Charles, Stutter, Marc, Menezes-Blackburn, Daniel, Martin Blackwell (2554456), Wendler, Renate, Catherine Wearing (2554477), Menezes-Blackburn, D., Courtney D. Giles (1549105)   +45 more
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