Results 31 to 40 of about 480 (154)

Chiral Flavonoids as Antitumor Agents

open access: yesPharmaceuticals, 2021
Flavonoids are a group of natural products with a great structural diversity, widely distributed in plant kingdom. They play an important role in plant growth, development and defense against aggressors.
Cláudia Pinto   +3 more
doaj   +1 more source

Using LC and Hierarchical Cluster Analysis as Tools to Distinguish Timbó Collections into Two Deguelia Species: A Contribution to Chemotaxonomy

open access: yesMolecules, 2016
The species Deguelia utilis and Deguelia rufescens var. urucu, popularly known as “timbó,” have been used for many years as rotenone sources in insecticide formulations.
Danielle da Costa   +8 more
doaj   +1 more source

Amorpha fruticosa – A Noxious Invasive Alien Plant in Europe or a Medicinal Plant against Metabolic Disease?

open access: yesFrontiers in Pharmacology, 2017
Amorpha fruticosa L. (Fabaceae) is a shrub native to North America which has been cultivated mainly for its ornamental features, honey plant value and protective properties against soil erosion.
Ekaterina Kozuharova   +11 more
doaj   +1 more source

Rotenoids from the flowers of Millettia brandisiana [PDF]

open access: yesSongklanakarin Journal of Science and Technology (SJST), 2007
From the hexane extract of the flowers of Millettia brandisiana (Leguminosae), four rotenoids, α- toxicarol (1), 12a-hydroxy-α-toxicarol (2), 6-deoxyclitoriacetal (3) and 6a,12a-dehydro-α-toxicarol (4) wereisolated.
Soros Petveroj   +2 more
doaj  

Two New Rotenoids from

open access: yesNatural Product Communications, 2011
Two new rotenoids, boerharotenoids A ( 1 ) and B ( 2 ), and four known compounds, boeravinone ( 3 ), 5,7,3′-trihydroxycoumaronochromone ( 4 ), boeravinone F ( 5 ), and eupalitin-3- O -β-D-galactopyranoside ( 6 ), have been isolated from Boerhavia repens ...
Mamona Nazir   +6 more
doaj   +1 more source

Cytotoxicity and Brine Shrimp Lethality of Rotenoids and Extracts from

open access: yesNatural Product Communications, 2007
The present study was performed to examine the brine shrimp toxicity and cytotoxic effect of the mangrove plant Sarcolobus globosus . The Et 2 O and EtOAc extracts were toxic to brine shrimp larvae (LC 50 = 1.6 and 4.0 μg/mL) and Caco-2 cells (IC 50 = 6 ...
Helle Wangensteen   +5 more
doaj   +1 more source

Detection and Quantification of Rotenoids from and its Lipids Profile

open access: yesNatural Product Communications, 2016
This work describes the isolation and quantification of rotenoids from crude organic extracts of different parts of Clitoria fairchildiana R. A. Howard (Leguminosae) by HPLC-DAD.
Rauldenis A. F. Santos   +2 more
doaj   +1 more source

17‐epi‐Melianodiol, a new protolimonoid from Melia azedarach fruits, exhibits larvicidal activity and is associated with oxidative imbalance and midgut epithelial damage in Aedes aegypti larvae

open access: yesPest Management Science, EarlyView.
The bio‐guided phytochemical study resulted in the new compound 17‐epi‐melianodiol. The compound eliminated 100% of Aedes aegypti larvae at 100 ppm, causing pronounced morphological changes, cuticular damage, and extensive vacuolization. Abstract BACKGROUND In Brazil, Aedes aegypti is the primary vector of arboviruses such as dengue, chikungunya ...
Kethleen Duarte Crespo Soares   +8 more
wiley   +1 more source

Homoisoflavonoids—From Natural Specificity and Biosynthesis to Precision Health‐Promoting Mechanisms

open access: yesFood Frontiers, Volume 7, Issue 3, May 2026.
Homoisoflavonoids are rare flavonoids with a unique bi‐aromatic oxygen‐heterocyclic structure. This review synthesizes their structure–activity relationships in anti‐inflammatory, hypoglycemic, and anticancer contexts. By highlighting their specific natural distribution and outlining biosynthetic pathways, it provides a conceptual framework and ...
Jing Zhang   +4 more
wiley   +1 more source

Organic products selectivity for Trichogramma pretiosum (Hymenoptera: Trichogrammatidae)

open access: yesArquivos do Instituto Biológico, 2015
: The selectivity of different insecticides, fungicides and fertilizers used in organic soybean cropping was evaluated according to the protocols proposed by the Pesticides and Beneficial Organisms Working Group of the International Organization for ...
Débora Mello da Silva   +1 more
doaj   +1 more source

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