Results 71 to 80 of about 4,005 (216)

亚油酸分离纯化技术研究进展Progress on separation and purification technology of linoleic acid

Zhongguo youzhi, 2022
亚油酸属ω-6型多不饱和脂肪酸，具有独特的生理功能，与人体健康密切相关。由于亚油酸大多来源于天然动植物油脂，其含量尚不能满足食品和制药业的需求，有效分离纯化亚油酸已成为近年来的研究热点。为给亚油酸的分离纯化研究提供参考，综述了近年来国内外亚油酸分离纯化技术的研究进展，系统介绍了尿素包合法、硝酸银硅胶柱色谱法、分子蒸馏法、脂肪酶酶解法、溶剂冷冻结晶法、高速逆流色谱法及耦合法的分离原理及研究成果，并分析了各分离纯化方法的优缺点。两种或多种分离纯化技术耦合可优势互补，提高分离效率，淀粉 ...
白希，陈爽，周灿兰，柏茹梦，平宇杰，杜为军 BAI Xi，CHEN Shuang, ZHOU Canlan，BAI Rumeng, PING Yujie, DU Weijun
doaj   +1 more source

Long‐term effects of moderate and severe hypoxia on growth, intermediary metabolism, monoamine neurotransmitters, and fatty acids in juveniles of coho salmon, Oncorhynchus kisutch

Journal of the World Aquaculture Society, Volume 57, Issue 2, April 2026.
Abstract Hypoxia concerns have increased in recent decades, reducing fish fitness and becoming a critical challenge in salmon aquaculture. We investigated the effect of long‐term hypoxia on the physiological response of coho salmon (Oncorhynchus kisutch).
R. Oyarzún‐Salazar, P. Cortes, O. de Lázaro, K. Paschke, J. L. P. Muñoz, J. Ruiz, P. Dantagnan, L. Vargas‐Chacoff   +7 more
wiley   +1 more source

HPLC-ESI-QTOF-MS/MS Analysis of Artemisia cina Leaves Aqueous Extract and Flavonoid Isolation Using High-speed Countercurrent Chromatography [PDF]

Acta Poloniae Pharmaceutica
Artemisia cina Berg ex Poljakov, a shrubby plant endemic to the semi-arid areas of Kazakhstan, has as a long history of being used in traditional medicines as an antitumour, antifungal and anthelmintic agent.
Sonwabiso Tshunungwa, Bashaer Alsharif, Tolkyn Bekezhanova, Kulzada Begalinovna Bazhykova, Wirginia Kukula-Koch, Fabio Boylan   +5 more
doaj   +1 more source

Counter-current Chromatography for the Purification of High Value Natural Compounds: Performance Modelling and Solvent Selection

, 2011
Counter-current chromatography (CCC) is a separation technique, which utilises two immiscible liquid phases in equilibrium as stationary and mobile phases. It emerged in the 1970s and had been primarily used in academia.
Guzlek, Hacer, Guzlek, Hacer
core   +1 more source

Extraction of cocoa proanthocyanidins and their fractionation by sequential centrifugal partition chromatography and gel permeation chromatography [PDF]

, 2016
Erworben im Rahmen der Schweizer Nationallizenzen (http://www.nationallizenzen.ch)Cocoa beans contain secondary metabolites ranging from simple alkaloids to complex polyphenols with most of them believed to possess significant health benefits.
A Marston, A Othman, C Yang, E Hopmann, EO Afoakwa, I Tarascou, J Cheel, J Pérez-Jiménez, JB Friesen, JD Everette, JK Monrad, JR Green, K Kantz, K Khallouki, L Kothe, LJ Porter, MS Blois, N Kuhnert, Norbert Fischer, S Rohn, Sascha Rohn, SO Aroyeun, T Esatbeyoglu, Vasilisa Pedan, X Zhou, Y Shibusawaa   +25 more
core   +1 more source

Determination of antioxidant compounds in foodstuff [PDF]

, 2016
© 2017 Scrivener Publishing LLC. Phenolic compounds, vitamins and carotenoids are naturally found in different foodstuff. These antioxidant compounds play an important role in human health and are of interest for the food, pharmaceutical and ...
Abbasi, Ahn, Altemimi, Alvarado, Atienza, Azmir, Baiano, Barba, Barba, Barba Orellana, Barbosa-Pereira, Barros, Barros, Barros, Benzie, Bino, Blanco-Díaz, Boulila, Boussetta, Bozkurt, Breithaupt, Brulc, Bursal, Calatayud, Camo, Cardenas-Toro, Carocho, Carpenter, Casas, Castel, Cen, Chai, Chen, Chen, Chen, Cozzolino, Da Porto, Dahmoune, Damon, Delsart, Dias, Dias, Ding, Do, Doolaege, Durazzo, Edel, EFSA, EFSA, Embuscado, Erkan, Everse, Ezhilarasi, Ezhilarasi, Fang, Fasseas, Fernández-Ponce, Ferreira, Figueroa-Espinoza, Flamini, Francis, Frank, Ganzera, García-Guzmán, Georgantelis, Gharsallaoui, Golmakani, González-Centeno, Gouveia-Figueira, Gras, Grippi, Guan, Ha, Haddadi-Guemghar, Halliwell, Harb, Hejtmánková, Highet, Ho, Ho, Hostetler, Hosu, Hu, Huang, Huber, Hygreeva, Inoue, Isabelle, Ivanovic, Jalilzadeh, Jayathilakan, Jeszka-Skowron, Jia, Jomova, Jongberg, Jun, Kalantar-Zadeh, Kasiotis, Kazuma, Kim, Kim, Klimczak, Krinsky, Köhler, Langer, Lara, Lau, Leboulanger, Lee, Lee, Lee, Lee, Li, Li, Li, Li, Liang, Lim, Liu, Liu, Liu, Luna, Maltese, Mariutti, Martini, Martins, Martín-Diana, Massias, Medina, Medina-Meza, Mielnik, Milutinović, Miron, Mohamed, Mohamed, Moore, Muhacir-Güzel, Mushtaq, Mølmann, Nagendra Chari, Naveena, Nayak, Nerín, Nimalaratne, Nissen, Olmedo, Oroian, Ortega, Otero, Park, Parniakov, Pasrija, Pedro, Pedro, Pereira, Perrin, Pillai, Pinela, Pissard, Plozza, Poljsak, Poojary, Presse, Prokudina, Qi, Qin, Quifer-Rada, Ramirez, Ramli, Ranveer, Rawson, Reineccius, Ribeiro, Robert, Rodríguez-Rivera, Ruban, Rubilar, Ruiz, Saha, Saini, Sanjaya, Scalbert, Segovia, Sen, Seok, Setyaningsih, Shahidi, Sharma, Shi, Siegrist, Silva, Simões-Pires, Siró, Soininen, Soyer, Stalmach, Strati, Stratulat, Suttie, Tamasi, Taofiq, Tapiero, Taş, Thompson, Tironi, Tsui, Uribe, Veggi, Vrolijk, Vági, Waksmundzka-Hajnos, Wang, Wang, Watson, Willför, Wong, Wong, Wu, Wu, Xie, Xu, Yang, Yang, Zaghdoudi, Zhang, Ziech, Zuorro, Çam, Özvural, Ďuračková   +229 more
core   +1 more source

Enantioselective Determination of Amphetamine‐Type Stimulants in Environmental Waters Using SPE and CE–MS/MS

ELECTROPHORESIS, Volume 47, Issue 3, Page 250-260, March 2026.
ABSTRACT The growing concern over drug abuse, particularly involving amphetamine‐type substances (ATS), has led to their monitoring in environmental waters. These chiral compounds, commonly found in river water and wastewater treatment plant (WWTP) effluents, require analytical methods capable of enantiomeric discrimination, as their enantiomers can ...
Pol Clivillé‐Cabré, Francesc Borrull, Carme Aguilar, Marta Calull   +3 more
wiley   +1 more source

Chemical constituents from Wedelia prostrata and their cytotoxicity activity [PDF]

, 2016
卤地菊（Wedeliaprostrata（Hook.etArn.）Hemsl.）为菊科蟛蜞菊属植物。对蟛蜞菊属植物研究调查表明，其主要含有二萜，倍半萜，黄酮和有机酸等化学成分。二萜尤其是对映-贝壳杉二萜类是蟛蜞菊属植物的主要活性成分，具有抗菌、抗病毒、抗氧化、抗癌、抗血管生成等生物活性。 本文首先用石油醚、乙酸乙酯、正丁醇三种不同极性的溶剂依次对卤地菊的乙醇提取物进行萃取，初步得到三个萃取部位，对卤地菊石油醚部位进行系统的化学成分研究，采用硅胶柱层析、聚酰胺柱层析、葡聚糖凝胶柱层析 ...
林剑虹
core  

16-O-methylcafestol is present in ground roast Arabica coffees: Implications for authenticity testing [PDF]

, 2017
High-field and low-field proton NMR spectroscopy were used to analyse lipophilic extracts from ground roast coffees. Using a sample preparation method that produced concentrated extracts, a small marker peak at 3.16 ppm was observed in 30 Arabica coffees
Beadman, Niles, Colquhoun, Ian J., Davis, Aaron P., Defernez, Marianne, Garwood, Hollie, Gunning, Yvonne, Kemsley, E. Kate, Le Gall, Gwenaelle, Philo, Mark, Watson, Andrew D., Williamson, David   +10 more
core   +1 more source

Leonurine: A Multifaceted Bioactive Alkaloid—From Pharmacological Mechanisms to Clinical Translation: A Narrative Review

Health Science Reports, Volume 9, Issue 3, March 2026.
ABSTRACT Background Leonurine (LEO), a bioactive alkaloid derived from the Leonurus genus, exhibits diverse pharmacological activities including uterotonic, antioxidant, anti‐inflammatory, antiapoptotic, Antitumor, and vasoprotective effects. This review aims to provide a comprehensive overview of LEO's pharmacokinetics, pharmacological mechanisms ...
Zhouyue Gu
wiley   +1 more source