Results 51 to 60 of about 52,872 (276)

Fig. 25 in A comprehensive review: Biological activity, modification and synthetic methodologies of prenylated flavonoids

open access: yes, 2021
Fig. 25. Synthetic route of C-6/C-8 prenylated flavonoids from natural precusor. Reagents and conditions: (a) CH3OCH2Cl, K2CO3, acetone, RT; (b) prenyl bromide, K CO, acetone, 45 ◦ C; (c) Florisil, toluene, reflux; (d) Montmorillonite K10, toluene ...
Liu, Qingbo   +4 more
core   +1 more source

When plants produce not enough or at all: metabolic engineering of flavonoids in microbial hosts

open access: yesFrontiers in Plant Science, 2015
Flavonoid metabolism and its fascinating molecules that are natural products in plants, have attracted the attention of industry and researchers involved in plant science, nutrition, bio/chemistry, chemical bioengineering, pharmacy, medicine, etc., since
Emmanouil Antonios Trantas   +3 more
doaj   +1 more source

The Leaching of Natural Dyes from Avocado (Persea Americana Mill) Seeds Using the Ultrasonic-Assisted Extraction Method and Its Application to Cellulose Fibers

open access: yesJurnal Rekayasa Kimia & Lingkungan, 2021
The textile industry uses synthetic dyes because they are cheaper and easier to obtain. Moreover, the color availability is guaranteed and more varied. However, these synthetic dyes have a negative impact on health and the environment.
Herti Utami   +5 more
doaj   +1 more source

Inhibition of MurA Enzyme from Escherichia coli by Flavonoids and Their Synthetic Analogues

open access: yesACS Omega, 2023
MurA catalyzes the first step of peptidoglycan (PG) biosynthesis and is a validated target for the development of new antimicrobial agents. In this study, a library of 49 plant flavonoids and their synthetic derivatives were evaluated for their inhibitory properties against MurA fromEscherichia coli.
Rok Frlan   +2 more
openaire   +5 more sources

Synthetic Approach to Chromone and Flavonoid Piperidine Alkaloids

open access: yesThe Journal of Organic Chemistry
Despite the enormous importance of chromone and flavonoid piperidine alkaloids, a general method for their synthesis has not been described. Accordingly, from simple tetrahydro-3-pyridinemethanols (A) and phenol derivatives (B), a synthetic approach to chromone and flavonoid piperidine alkaloids is presented.
Karen A. Guarneros-Cruz   +4 more
openaire   +2 more sources

Flavonoids – An Amazing Group of Compounds with Potent Antimicrobial Properties [PDF]

open access: yesMemoirs of the Scientific Sections of the Romanian Academy, 2019
Antibiotic resistance is spreading all around the world, many infectious diseases are becoming more and more severe and sometimes impossible to treat, therefore new efficient solutions are desperately needed.
Marius Ștefan, Mihail Lucian Bîrsă
doaj  

Synthetic Flavonoid BrCl-Flav—An Alternative Solution to Combat ESKAPE Pathogens

open access: yesAntibiotics, 2022
ESKAPE pathogens are considered as global threats to human health. The discovery of new molecules for which these pathogens have not yet developed resistance is a high medical priority. Synthetic flavonoids are good candidates for developing new antimicrobials.
Moldovan, Cristina-Veronica   +10 more
openaire   +5 more sources

From Food to Power: Hydrogel Thermoelectrics for Ingestible Electronics

open access: yesAdvanced Functional Materials, EarlyView.
We introduce a fully edible thermoelectric–electrochromic platform that harvests heat from food and converts it into a visible color change. N‐type and p‐type hydrogel thermoelectric generators connected in series power anthocyanin‐based electrochromic displays, demonstrating the feasibility of safe, biodegradable, ingestible systems for on‐food ...
Antonia Georgopoulou   +3 more
wiley   +1 more source

PARP Inhibition by Flavonoids Induced Selective Cell Killing to BRCA2-Deficient Cells

open access: yesPharmaceuticals, 2017
High consumption of dietary flavonoids might contribute to a reduction of cancer risks. Quercetin and its glycosides have PARP inhibitory effects and can induce selective cytotoxicity in BRCA2-deficient cells by synthetic lethality.
Cathy Su   +4 more
doaj   +1 more source

Antibacterial and Antioxidant Activity of Synthetic Polyoxygenated Flavonoids

open access: yesInternational Journal of Molecular Sciences
Flavonoids are an abundant class of naturally occurring compounds with broad biological activities, but their limited abundance in nature restricts their use in medicines and food additives. Here we present the synthesis and determination of the antibacterial and antioxidant activities of twenty-two structurally related flavonoids (five of which are ...
Mauricio Enrique Osorio-Olivares   +5 more
openaire   +2 more sources

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