Results 11 to 20 of about 440,627 (309)

Antioxidant Capacity and Antimicrobial Activity of Commercial Samples of Guava Leaves (\u3cem\u3ePsidium guajava\u3c/em\u3e) [PDF]

open access: yes, 2020
Psidium guajava is a small tree native to South and Central America. Guava leaves have traditionally been used for treating different illnesses. These benefits can be attributed to phenolics and flavonoids produced by guava.
Alsaidi, Sahar   +11 more
core   +2 more sources

Study on optimization of extraction technology and antibacterial activity of total flavonoids from the root of Clausena anisum-olens

open access: yesShipin yu jixie, 2022
Objective: This study aimed to optimize the optimal extraction process of total flavonoids from the root of Clausena anisum-olens and determine the yield and antibacterial effect of total flavonoids from different producing areas.
XU Dan-ni, SU Xiu-fang, HUANG Li-juan
doaj   +1 more source

Beyond antioxidants: the cellular and molecular interactions of flavonoids and how these underpin their actions on the brain [PDF]

open access: yes, 2010
The consumption of flavonoid-rich foods and beverages has been suggested to limit the neurodegeneration associated with a variety of neurological disorders and to prevent or reverse normal or abnormal deteriorations in cognitive performance.
Spencer, Jeremy Paul
core   +1 more source

Advances in extraction and purification of citrus flavonoids

open access: yesFood Frontiers, 2023
Flavonoids are the representative active substances of citrus with various biological activities and high nutritional value. In order to evaluate and utilize citrus flavonoids, isolation and purification are necessary steps.
Chang‐Qing Zhu   +8 more
doaj   +1 more source

Insight into Potential Anticancer Activity of Algal Flavonoids: Current Status and Challenges

open access: yesMolecules, 2021
Flavonoids are some of the most precious phytochemicals, believed to be found largely in terrestrial plants. With the advancement of phytochemical research and marine bioprospecting, flavonoids have also been reported by the research of microalgae and ...
Umme Tamanna Ferdous   +1 more
doaj   +1 more source

Photochemistry of Flavonoids

open access: yesMolecules, 2010
Flavonoids and their photochemical transformations play an important role in biological processes in nature. Synthetic photochemistry allows access to molecules that cannot be obtained via more conventional methods.
Jan H. Van der Westhuizen   +3 more
doaj   +1 more source

Research Progress of the Antiviral Bioactivities of Natural Flavonoids

open access: yesNatural Products and Bioprospecting, 2020
Flavonoids are now considered as an indispensable component in a variety of nutraceutical and pharmaceutical applications. Most recent researches have focused on the health aspects of flavonoids for humans.
Lin Wang   +7 more
doaj   +1 more source

Bioactivity and mechanisms of flavonoids in decreasing insulin resistance

open access: yesJournal of Enzyme Inhibition and Medicinal Chemistry, 2023
Flavonoids are ubiquitous compounds in nature and are found in many Chinese herbal medicines. Due to their biological activity, flavonoids show potential for decreasing insulin resistance (IR), thereby delaying the progression of diabetes and ...
Min Zhou   +5 more
doaj   +1 more source

Exploring the Phytochemical Landscape of the Early-Diverging Flowering Plant Amborella trichopoda Baill. [PDF]

open access: yes, 2019
Although the evolutionary significance of the early-diverging flowering plant Amborella (Amborella trichopoda Baill.) is widely recognized, its metabolic landscape, particularly specialized metabolites, is currently underexplored.
Chang, Lijing   +3 more
core   +1 more source

Ethanol-ammonium Sulfate Aqueous Two-phase Extraction of Total Flavonoids from Peach Blossom and Its Antioxidant Activity

open access: yesShipin gongye ke-ji, 2022
The extraction technology of total flavonoids from peach blossom was studied by theaqueous two-phase system of ethanol and ammonium sulfate. On the basis of single factor experiments, response surface methodology was used to optimize the extraction ...
Yaowen YU   +4 more
doaj   +1 more source

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