Results 11 to 20 of about 600 (168)

Dynamic Interconversions of Single Molecules Probed by Recognition Tunneling at Cucurbit[7]uril‐Functionalized Supramolecular Junctions

Angewandte Chemie, Volume 134, Issue 26, June 27, 2022., 2022
Dynamic conversions of single molecules can be monitored at doubly cucurbit[7]uril‐functionalized supramolecular junctions. Through this intermolecular recognition tunneling technique, the molecular conductance of different analytes and analyte mixtures can be finger‐printed in dependence on pH and competitive salts, showcasing the first examples of ...
Bohuai Xiao, Suhang He, Mingjun Sun, Jianghao Zhou, Zhiye Wang, Yunchuan Li, Simin Liu, Werner M. Nau, Shuai Chang   +8 more
wiley   +2 more sources

Catalytic promiscuity of O-methyltransferases from Corydalis yanhusuo leading to the structural diversity of benzylisoquinoline alkaloids [PDF]

, 2022
O-methyltransferases play essential roles in producing structural diversity and improving the biological properties of benzylisoquinoline alkaloids (BIAs) in plants.
Bu, Junling, Chen, Tong, Chen, Yun, Cui, Guanghong, Guo, Juan, Hu, Zhimin, Huang, Luqi, Jiao, Xiang, Kong, Yu, Lai, Changjiangsheng, Li, Qishuang, Lin, Sheng, Liu, Xiuyu, Ma, Ying, Tang, Jinfu, Wang, Ruishan, Yang, Jian, Yang, Lei, Zhang, Xiuhua   +18 more
core   +1 more source

Antimicrobial and antioxidant properties and quantitative screening of phytochemicals of Fraxinus excelsior L. and Eschscholtzia californica Cham. mother tinctures [PDF]

, 2022
The antioxidant and antimicrobial activities of Fraxinus excelsior L. and Eschscholtzia californica Cham. mother tinctures against a range of foodborne bacteria were investigated to determine the major components and to analyse the action spectrum and
Alessia Catalano, Carmela Saturnino, Daniela Russo, Giovanni Salzano, Immacolata Faraone, Luigi Milella, Maria Grazia Bonomo, Maria Stefania Sinicropi, Stefania Mirela Mang   +8 more
core   +1 more source

Chemical Characterization of Corydalis chaerophylla D.C. Extracts and Preliminary Evaluation of Their in Vitro and in Vivo Biological Properties

Chemistry &Biodiversity, Volume 20, Issue 12, December 2023., 2023
Abstract Genus Corydalis is a rich source of isoquinoline alkaloids reported to having potential bioactivities. Corydalis chaerophylla collected from Nepal at an altitude of 2400–4800 m was extracted using hexane, methanol and chloroform as solvents. The resulting hexane, methanol and chloroform extracts were subjected to LC–DAD‐MSn analysis to yield ...
Binita Maharjan, Lok Kumar Shrestha, Jonathan P. Hill, Katsuhiko Ariga, Shyam Sharan Shrestha, Stefania Sut, Ram Lal Swagat Shrestha, Stefano Dall'Acqua   +7 more
wiley   +1 more source

Comparative effects of medium‐chain fatty acids or phytobiotics‐based feed additives on performance, caecum microbiota, volatile fatty acid production and intestinal morphology of broilers

Veterinary Medicine and Science, Volume 9, Issue 6, Page 2719-2730, November 2023., 2023
This manuscript aims to investigate different herbal feed additives as alternative to antibiotic growth promoters (AGPs). For this purpose, medium‐chain fatty acids (MCFAs) or phytobiotics (essential oils [EOs] and alkaloids [ALKs]) and blended feed additives have been used.
Necmettin Ceylan, Engin Yenice, İsmail Yavaş, Ali Anıl Çenesiz, Neşe Nuray Toprak, İbrahim Çiftçi   +5 more
wiley   +1 more source

Advances in the natural α‐glucosidase inhibitors

eFood, Volume 4, Issue 5, October 2023., 2023
Natural products are a great source for the development of new α‐glucosidase (AG) inhibitory drug candidates. We aim to summarize advances in natural AG inhibitors according to their secondary metabolite groups in the last decade. Their mechanisms of action and structure–activity relationships will especially be discussed.
Didem Şöhretoğlu, Gülin Renda, Randolph Arroo, Jianbo Xiao, Suat Sari   +4 more
wiley   +1 more source

Safety and efficacy of a feed additive consisting of Macleaya cordata (Willd.) R. Br. extract and leaves (Sangrovit® extra) for all poultry species (excluding laying and breeding birds) (Phytobiotics Futterzusatzstoffe GmbH)

EFSA Journal, Volume 21, Issue 6, June 2023., 2023
Abstract Following a request from the European Commission, EFSA was asked to deliver a scientific opinion on the safety and efficacy of Macleaya cordata (Willd.) R. Br. extract and leaves (Sangrovit® Extra) when used as a zootechnical feed additive (functional group: other zootechnical additives) for all poultry species (excluding laying and breeding ...
EFSA Panel on Additives and Products or Substances used in Animal Feed (FEEDAP), Vasileios Bampidis, Giovanna Azimonti, Maria de Lourdes Bastos, Henrik Christensen, Birgit Dusemund, Mojca Durjava, Maryline Kouba, Marta López‐Alonso, Secundino López Puente, Francesca Marcon, Baltasar Mayo, Alena Pechová, Mariana Petkova, Fernando Ramos, Yolanda Sanz, Roberto Edoardo Villa, Ruud Woutersen, Paul Brantom, Andrew Chesson, Johannes Westendorf, Paola Manini, Jordi Ortuño Casanova, Birgit Dusemund   +23 more
wiley   +1 more source

Drug discovery research in Ghana, challenges, current efforts, and the way forward [PDF]

, 2022
We have a long-term vision to develop drug discovery research capacity within Ghana, to tackle unmet medical needs in Ghana and the wider West African region. However, there are several issues and challenges that need to be overcome to enable this vision,
Amewu, Richard Kwamla, Amoateng, Patrick, Appiah-Oppong, Regina, Arthur, Patrick Kobina, Asare, Prince, Asiamah, Isaac, Boamah, Daniel, Chibale, Kelly, Darko Otchere, Isaac, David Read, Kevin, Dzidzor Amengor, Cedric, Ekuadzi, Edmund, Farrell, Susan Jane, Hugh Gilbert, Ian, Osei-Safo, Dorcas, Yeboah-Manu, Dorothy   +15 more
core   +3 more sources

Highly Chemoselective One‐Step Synthesis of Novel N‐Substituted‐Pyrrolo[3,4‐b]quinoline‐1,3‐diones via Palladium‐Catalyzed Aminocarbonylation/Carbonylative Cyclisation Sequence

European Journal of Organic Chemistry, Volume 26, Issue 10, March 7, 2023., 2023
While common methods giving access to N‐substituted‐pyrrolo‐[3,4‐b]‐quinoline‐1,3‐diones consist of multistep synthesis involving quinoline‐based substrates, a broadly applicable one‐step palladium‐catalyzed carbonylative imidization‐cyclization process has been developed starting from 3‐bromo‐2‐iodoquinoline, that opens new perspectives for the ...
Sami Chniti, László Kollár, Attila Bényei, Ágnes Dörnyei, Attila Takács   +4 more
wiley   +1 more source

Alkaloids and Their Pharmacology Effects from Zanthoxylum Genus [PDF]

, 2020
Zanthoxylum genus (Rutaceae) comprises about 212 species distributed in warm temperature and subtropical areas in the worldwide. Zanthoxylum species have been used in traditional for the treatment of tooth decay, snakebites, blood circulation problems ...
Nhiem, Nguyen Xuan, Quan, Pham Minh, Van, Nguyen Thi Hong   +2 more
core   +1 more source