Results 31 to 40 of about 44,015 (212)

Intraspecific Variation in Plant Defense Alters Effects of Root Herbivores on Leaf Chemistry and Aboveground Herbivore Damage [PDF]

open access: yes, 2008
Root herbivores can indirectly affect aboveground herbivores by altering the food quality of the plant. However, it is largely unknown whether plant genotypes differ in their response to root herbivores, leading to variable defensive phenotypes.
Dam, N.M., van   +8 more
core   +2 more sources

Iridoid glycosides from the Genus (Gentianaceae) and their Chemotaxonomic Sense

open access: yesNatural Product Communications, 2017
The genus Gentiana is one of the largest genera in the Gentianaceae family. Many Gentiana species have been scientifically investigated for their chemical constituents and chemotaxonomic sense. To date, more than 500 chemical compounds were isolated from
Hao-Yang Yuan   +5 more
doaj   +1 more source

Host Plant Effects on Immune Response Across Development of a Specialist Caterpillar

open access: yesFrontiers in Ecology and Evolution, 2019
Some herbivorous insects sequester chemicals from their host plants, which can serve as a defense against predators. However, sequestration can also be costly, impacting immunological responses important for other types of natural enemies, such as ...
Adrian L. Carper   +2 more
doaj   +1 more source

Biological Activities and Analytical Methods for Detecting Aucubin and Catalpol Iridoid Glycosides in Plantago Species: A Review Study [PDF]

open access: yesPharmaceutical and Biomedical Research, 2023
Background: Plantago species contain aucubin and catalpol iridoid glycosides used in traditional medicine for many purposes. Objectives: To accelerate the utilization of aucubin and catalpol in Plantago species, research should be focused on introducing ...
Samaneh Rahamouz-Haghighi
doaj  

Isolation and Characterization of Iridoid Glycoside (Gardenoside) Present in the Leaves of Gardenia jasminoides J.Ellis Cultivated in Iraq

open access: yesIraqi Journal of Pharmaceutical Sciences, 2017
Iridoid glycosides are a group of naturally occurring chemical compounds. They are a large family of compounds biosynthesized by plants, they often have pharmacological effects.
Usama H. Abdul Wahab, Zainab J. Awad
doaj   +3 more sources

Iridoid glycosides from Alonsoa meridionalis

open access: yesNatural Product Research, 2014
A new iridoid glucoside has been isolated from the Chilean native Alonsoa meridionalis (L.f.) Kuntze. Its structure has been assigned as 6′-O-β-d-glucopyranosyl-8-O-acetylharpagide (1) by using spectroscopic methods. Harpagoside (2), laterioside (3) and verbascoside (4) were also identified.
TOMASSINI, Lamberto   +4 more
openaire   +3 more sources

Ácido 15-desmetilisoplumierídeo, um novo iridóide isolado das cascas de Plumeria rubra e do látex de Himatanthus sucuuba 15-demethylisoplumieride acid, a new iridoid isolated from the bark of Plumeria rubra and latex of Himatanthus sucuuba

open access: yesQuímica Nova, 2007
Himatanthus sucuuba and Plumeria rubra are used in folk medicine in Brazil to treat various ailments. The isolation of the new iridoid 15-demethylisoplumieride from the bark of Plumeria rubra L. var.
Alaide de Sá Barreto   +5 more
doaj   +1 more source

Two new iridoid glycosides from the Tibetan folk medicine Swertia franchetiana

open access: yes, 2005
Two new iridoid glycosides designated as senburiside III (2) and senburiside IV (3), together with one known iridoid glycoside senburiside I (1) and three known secoiridoid glucosides swertiamarin (4), gentiopicroside (5) and sweroside (6), were isolated
Wang, SS   +8 more
core   +1 more source

Pharmacokinetics and Pharmacodynamics of Morroniside: A Review

open access: yesNatural Product Communications, 2019
Morroniside belongs to a group of iridoid glycosides and is the primary active component of Cornus officinalis Sieb. et Zucc. This species is a rich source of iridoid glycosides and has been used as a traditional Chinese medicinal herbs for centuries. In
Bo Li   +4 more
doaj   +1 more source

Integrating transcriptome and chemical analyses to reveal the anti-Alzheimer’s disease components in Verbena officinalis Linn

open access: yesFrontiers in Plant Science, 2022
Verbena officinalis Linn. is a kind of traditional Chinese medicine, which has a long history of application and shows good effects on neuroprotection. Therefore, we consider that V.
Shuhuan Peng   +12 more
doaj   +1 more source

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