Results 71 to 80 of about 14,009 (216)

Phytochemical and Biological Evaluation of Leaves, Stems, and Roots of Schinus weinmanniifolia Mart. Ex Engl.

open access: yesChemistry &Biodiversity, Volume 23, Issue 3, March 2026.
Ethanolic extracts from leaves, stems, and roots of Schinus weinmanniifolia Mart. ex Engl. were evaluated for phytochemical composition and biological activities. The extracts exhibited antioxidant, photoprotective, and antimicrobial activity, without hemolytic effects or cytotoxicity at active concentrations. Syringic acid, epicatechin, and rutin were
João Andrade   +14 more
wiley   +1 more source

VERIFICATION OF THE MECHANISM OF GLYPHOSATE RESISTANCE IN ITALIAN RYEGRASS BIOTYPES [PDF]

open access: yesPlanta Daninha, 2016
The intense use of glyphosate for weed control led to the emergence of several cases of resistance to this herbicide. Weeds can survive the application of herbicides due to several factors, which may or may not be related to the herbicide site of action.
L. VARGAS   +5 more
doaj   +1 more source

Prospecting for alternate sources of shikimic acid, a precursor of Tamiflu, a bird-flu drug [PDF]

open access: yes, 2009
Shikimic acid, more commonly known by its anionic form, shikimate, is an important intermediate compound of the ‘shikimate pathway’ in plants and microorganisms1.
Ganeshaiah, KN   +7 more
core  

LC‐HESI‐MS/MS Profiling and Evaluation of Antioxidant, Anti‐Inflammatory, Anti‐α‐Amylase, and Anti‐Acetylcholinesterase Activities of Rhus tripartitum L. Leaf Extract: In Vitro and In Silico Studies

open access: yesChemistry &Biodiversity, Volume 23, Issue 3, March 2026.
ABSTRACT This study aims to assess the biological characteristics of Rhus tripartitum leaves and identify their promising biomolecules. The numerous extracts of R. tripartitum leaves were evaluated, in vitro, for their phytochemical profile and antioxidant, anti‐acetylcholinesterase, α‐amylase, and anti‐inflammatory activities. The methanolic and ethyl
Raoudha Ben Ameur   +7 more
wiley   +1 more source

Enhancing polyphenol synthesis and antioxidant activity in Camellia sinensis using shikimic and salicylic acids

open access: yesJSFA reports, Volume 6, Issue 3, Page 73-87, March 2026.
Abstract Background Camellia sinensis, widely consumed as tea, is the second most popular beverage globally and is valued for its health benefits. However, environmental stressors pose a significant challenge to the tea industry. This study investigates the potential of shikimic acid (ShA) and its derivative, salicylic acid (SA), as inducers to enhance
Mir Sultanul Arafin   +4 more
wiley   +1 more source

The Role of Indole and Other Shikimic Acid Derived Maize Volatiles in the Attraction of Two Parasitic Wasps [PDF]

open access: yes, 2018
After herbivore attack, plants release a plethora of different volatile organic compounds (VOCs), which results in odor blends that are attractive to predators and parasitoids of these herbivores. VOCs in the odor blends emitted by maize plants (Zea mays)
D'Alessandro, Marco   +3 more
core  

A Pathway‐Based Metabolomics Approach Reveals Metabolic Strategies and Reprogramming in Drought‐Tolerant Soybean Genotypes

open access: yesLegume Science, Volume 8, Issue 1, March 2026.
ABSTRACT Soybean (Glycine max) is a globally important crop, yet its productivity is highly susceptible to drought stress, particularly in rainfed systems. To better understand the biochemical basis of drought tolerance, this study employed pathway‐based metabolomics to characterize differentially expressed metabolites between drought‐tolerant and ...
Namhee Lee   +3 more
wiley   +1 more source

Sweetgum Bark: Extraction, Purification, and Determination of Antioxidant Activity [PDF]

open access: yes, 2012
Sweetgum (Liquidambar styraciflua L.) is a native tree species that grows as a volunteer in the understory of managed pine forests in Arkansas. Sweetgum, as well as other volunteer species, must be removed before the pines can be harvested. Sweetgum wood
Hurd, Shiloh
core   +1 more source

Heterogeneity of iridoid biosynthesis in catmints: Molecular background in a phylogenetic context

open access: yesJournal of Integrative Plant Biology, Volume 68, Issue 3, Page 694-718, March 2026.
Evolutionary gains and losses of key biosynthetic genes likely resulting from multiple independent evolutionary events explain why certain Nepeta (catnip) species produce both the active, cat‐attracting nepetalactones and sugar‐bound iridoids, while others make only the sugar‐bound forms, and some have lost iridoid production entirely.
Tijana Banjanac   +15 more
wiley   +1 more source

Extraction and Chromatographic Determination of Shikimic Acid in Chinese Conifer Needles with 1-Benzyl-3-methylimidazolium Bromide Ionic Liquid Aqueous Solutions

open access: yesJournal of Analytical Methods in Chemistry, 2014
An ionic liquids-based ultrasound-assisted extraction (ILUAE) method was successfully developed for extracting shikimic acid from conifer needles. Eleven 1-alkyl-3-methylimidazolium ionic liquids with different cations and anions were investigated and 1 ...
Fengli Chen   +4 more
doaj   +1 more source

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