Results 81 to 90 of about 3,794 (236)

Antimicrobial, Antioxidant and Anti-Inflammatory Activities of the extract of a Moroccan endemic Narcissus: Narcissus broussonetii [PDF]

open access: yes, 2017
The antioxidant, antibacterial and anti-inflammatory activities, of the extract of the Narcissus broussonetii bulbs were studied. The report concerning those properties of this Moroccan endemic species is described for the first time. Nine main alkaloids
Adly, Farida   +11 more
core  

Laboratory evaluation of natural and synthetic aromatic compounds as potential attractants for male mediterranean fruit fly, ceratitis capitata [PDF]

open access: yes, 2019
Ceratitis capitata, the Mediterranean fruit fly, is one of the most serious agricultural pests worldwide responsible for significant reduction in fruit and vegetable yields. Eradication is expensive and often not feasible. Current control methods include
Cimmino, A.   +7 more
core   +1 more source

HPLC - DAD Analysis of Lycorine in Amaryllidaceae Species [PDF]

open access: yesNatural Product Communications, 2010
Lycorine, the most frequent alkaloid found in Amaryllidaceae plants, has been proven to have various biological activities. Therefore, it is important to quantify this compound in Amaryllidacaeae species. In this study, a reversed-phase high performance liquid chromatographic method has been used and validated for the determination of lycorine in ...
Kaya, Gulen Irem   +4 more
openaire   +3 more sources

Disruption of Spike Priming in Virus Entry: Tetrandrine as a Pan‐Coronavirus Inhibitor

open access: yesMedComm, Volume 6, Issue 9, September 2025.
Tetrandrine inhibits the infection of HCoV‐OC43, HCoV‐229E, SARS‐CoV‐2, and its major variants by blocking virus entry. Specifically, tetrandrine breaks the interaction between TMPRSS2 and Spike, therefore suppress its priming and the following membrane fusion, and induces Spike to degradation.
Kun Wang   +9 more
wiley   +1 more source

Can phylogeny predict chemical diversity and potential medicinal activity of plants? A case study of amaryllidaceae [PDF]

open access: yes, 2012
Background During evolution, plants and other organisms have developed a diversity of chemical defences, leading to the evolution of various groups of specialized metabolites selected for their endogenous biological function.
Birkholm, Trine   +11 more
core   +3 more sources

Nonconventional Techniques in Plant Alkaloid Extraction: A Decade of Progress (2014–2023)

open access: yesChemistry &Biodiversity, Volume 22, Issue 8, August 2025.
This figure seeks to represent the evolution of the different unconventional approaches that were adopted for the extraction of plant‐derived alkaloids during the decade from 2014 to 2023. ABSTRACT Plant metabolism encompasses primary and secondary pathways, with secondary metabolism yielding diverse natural products crucial for plant adaptation and ...
Victor Menezes Sipoloni   +5 more
wiley   +1 more source

Synthesis, characterization, antimicrobial and antitumor activities of sucrose Octa(N-ethyl)carbamate [PDF]

open access: yes, 2016
Sucrose octa(N-ethyl)carbamate was synthesized directly from sucrose and ethyl isocyanate, and its structure was confirmed by various analytical methods, such as 1H and 13C NMR, FTIR, m.p., MS, and optical rotation.
Barros, M. Teresa   +5 more
core   +1 more source

Multiple biological functions and pharmacological effects of lycorine [PDF]

open access: yesScience China Chemistry, 2013
Lycorine is the major active component from the amaryllidaceae family plant Lycoris radiate, a represent traditional Chinese medicinal herb, and is one of the typical alkaloids with pyrrolophenanthridine nucleus core. Lycorine has drawn great interest in medicinal field due to its divergent chemical structures and multiple biological functions, as well
Cao, ZhiFei, Yang, Ping, Zhou, QuanSheng
openaire   +2 more sources

Amelioration of Liver Fibrosis via In Situ Hepatic Stellate Cell Conversion Through Co‐Inhibition of TGF‐β and GSK‐3 Signalling

open access: yesLiver International, Volume 45, Issue 7, July 2025.
ABSTRACT Background and Aims Liver fibrosis, a progressive condition driven by chronic liver injury and excessive scar tissue formation, can lead to cirrhosis, a life‐threatening disease. Activation of hepatic stellate cells (HSCs) is central to fibrosis progression, yet current therapies fail to halt or reverse this process.
Xiang‐Jie Zhu   +13 more
wiley   +1 more source

Eco‐Friendly Synthesis of Selenium Nanoparticles via Sternbergia candida: Enhancing Antioxidant Defense and Mitigating Salt Stress in Pepper (Capsicum annuum L.) Plants

open access: yesChemistryOpen, Volume 14, Issue 6, June 2025.
Sternbergia candida serves as a flexible reducing agent for the synthesis of SeNPs utilizing an economical and ecologically safe extract. Applications of selenium have demonstrated that plants cultivated in salinity preserve proper osmotic conditions and minimize cellular damage, as evidenced by photosynthetic pigments, proline, and MDA data.
Senem Kanber   +2 more
wiley   +1 more source

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