Results 41 to 50 of about 1,748 (205)

Phytochemical and pharmacological profile of plants indicated by caboclos of Jaú National Park (AM) as potential analgesic: part I [PDF]

open access: yes, 2010
This work aimed to study the pre-clinical pharmacology and phytochemistry of three plant extracts, obtained from two of the 42 plants with potential analgesic and / or anti-inflammatory, indicated by the residents of the National Park of Jaú, AM.
Duarte-Almeida, Joaquim Mauricio   +2 more
core   +2 more sources

Development of oral site-specific pellets containing flavonoid extract with antioxidant activity [PDF]

open access: yes, 2018
Herbal medicines are recognized as an effective treatment of common diseases, mainly associated with oxidative stress. Therefore developing drug delivery systems of these biological active ingredients are gaining interest. Parsley (Petroselinum crispum L.
Antal István   +4 more
core   +1 more source

Au(I) Fluorido Phosphine Complexes: Tools for the Hydrofluorination of Alkynes [PDF]

open access: yes, 2022
The reactivity of the Au(I) fluorido complex [Au(F)(SPhos)] (SPhos=dicyclohexyl(2’,6’‐dimethoxy[1,1’‐biphenyl]‐2‐yl)phosphine) (1) towards several alkynes was studied.
Braun, Thomas   +2 more
core   +1 more source

Boosting the Nucleophilicity of the Diphenylphosphide Anion with Crown Ether Supported Heavy Alkali Metals to Facilitate Highly Efficient Catalytic Alkene Isomerisation

open access: yesAngewandte Chemie International Edition, EarlyView.
Here, we report a breakthrough study in catalytic alkene isomerisation using crown ether‐supported alkali metal phosphides in which the activity increases sequentially and significantly as Group One is descended with Cs(18‐crown‐6)PPh2 (1Cs) performing best.
Felix Krämer   +2 more
wiley   +1 more source

Chitosan‐Based pH‐Responsive Films and Edible Coatings to Enhance Fruit Shelf‐Life: Impact of Plant Biomolecules and Composition

open access: yesFood Chemistry International, EarlyView.
Chitosan based coatings/films forming solution with the use ofplant extracts and parameters for fruit shelf life analysis. ABSTRACT Fresh fruits are a natural source of various minerals and vitamins, which are essential for human health. However, a rapid rate of respiration, water loss and fast ripening ability result in shorter shelf life and ...
Arun K. Singh
wiley   +1 more source

An Investigation of the Storage and Biosynthesis of Phenylpropenes in Sweet Basil [PDF]

open access: yesPlant Physiology, 2001
Abstract Plants that contain high concentrations of the defense compounds of the phenylpropene class (eugenol, chavicol, and their derivatives) have been recognized since antiquity as important spices for human consumption (e.g. cloves) and have high economic value.
Gang, David R   +6 more
openaire   +3 more sources

Fruit respiration: putting alternative pathways into perspective

open access: yesNew Phytologist, EarlyView.
Summary Over the past century, research has significantly advanced our understanding of fruit respiration, from (eco)physiological processes to molecular mechanisms. This review focuses on the functional relevance and regulatory roles of mitochondrial alternative respiratory pathways (ARPs) during fruit growth and ripening.
Ariadna Iglesias‐Sanchez   +4 more
wiley   +1 more source

Lettuce (Lactuca sativa L.) leaf-proteome profiles after exposure to cylindrospermopsin and a microcystin-LR/cylindrospermopsin mixture: A concentration-dependent response [PDF]

open access: yes, 2014
The intensification of agricultural productivity is an important challenge worldwide. However, environmental stressors can provide challenges to this intensification. The progressive occurrence of the cyanotoxins cylindrospermopsin (CYN) and microcystin-
Azevedo, Joana   +6 more
core   +1 more source

Aceite esencial de Tagetes filifolia contra Tribolium castaneum y su relación con la actividad acetilcolinesterasa y peroxidación de lípidos [PDF]

open access: yes, 2015
The development of natural insecticides would help to decrease the negativeimpact of synthetic insecticides. Fumigant toxicity of essential oil of Tagetesfilifolia Lag (Asterales: Asteraceae) and its major compounds were evaluatedagainst Tribolium ...
Dambolena, Jose Sebastian   +6 more
core  

Light‐Enabled [2σ + 2π] Cycloadditions of Bicyclo[1.1.0]butanes and Alkenes by Ti‐Salen Photocatalysis

open access: yesChemistryEurope, Volume 4, Issue 1, January 2026.
This study reports an unprecedented Ti(Salen)‐catalyzed [2σ+2π] photocycloaddition of bicyclo[1.1.0]butanes and alkenes, featuring broad substrate scope, excellent functional group tolerance, scalability, and potential pharmaceutical applications. Notably, this work represents the first application of a Ti(Salen) complex as an efficient photoredox ...
Jinping Xing   +5 more
wiley   +1 more source

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