Results 1 to 10 of about 449,676 (343)

Flavonoids: an overview

open access: yesJournal of Nutritional Science, 2016
Flavonoids, a group of natural substances with variable phenolic structures, are found in fruits, vegetables, grains, bark, roots, stems, flowers, tea and wine.
Archana Panche
exaly   +3 more sources

Acute Toxicity and Antioxidant Activity of Algerian Citrus deliciosa

open access: yesTurkish Journal of Agriculture: Food Science and Technology, 2023
Our phytochemical study focused on the leaves of Citrus deliciosa of Algerian origin, in order to evaluate its antioxidant activity and its acute toxicity, using scavenger activity of DPPH radicals, ABTS and acute toxicity. The ethanol extract of Citrus
Nasri Meriem   +2 more
doaj   +1 more source

Antioxidant activities of the constituents of Picris echoides [PDF]

open access: yesJournal of the Serbian Chemical Society, 2002
Some flavonoids with antioxidant properties from the aerial parts of the plant species Picris echoides (family Asteraceae) were identified. Upon chromatography, the ethyl acetate extract afforded flavonoids, such as flavone apigenin (1) and its glucoside,
Milovanović Mirjana   +3 more
doaj   +1 more source

Electrochemistry of Flavonoids

open access: yesMolecules, 2023
This review presents a description of the available data from the literature on the electrochemical properties of flavonoids. The emphasis has been placed on the mechanism of oxidation processes and an attempt was made to find a general relation between ...
Dorota Naróg, Andrzej Sobkowiak
doaj   +1 more source

Propolis of Apis mellifera from Yucatán, México: Study of biological properties

open access: yesEcosistemas y Recursos Agropecuarios, 2020
Apis mellifera propolis has been used in ethnobotany and its compounds and therapeutic properties have been evaluated in various studies. Propolis from Maxcanú, Tizimín and Huhí, Yucatán, México were analyzed, determining the bioactive compounds (BC) of
Roger Kauich Kumul   +4 more
doaj   +1 more source

Flavonoids from Epimedium pubescens: extraction and mechanism, antioxidant capacity and effects on CAT and GSH-Px of Drosophila melanogaster [PDF]

open access: yesPeerJ, 2020
Background Epimedium is a famous medicinal plant in China, Southeast Asian and some other regions. Flavonoids are regarded as its supremely important active constituents used in phytomedicines and/or functional foods.
Xiao-Hua Yang   +4 more
doaj   +2 more sources

Facts about Flavonoids

open access: yesEDIS, 2014
Flavonoids are organic compounds that occur naturally in plants. More than five thousand flavonoid compounds exist in nature, but those found in foods fall into six major categories: flavonols, anthocyanidins, isoflavones, flavan-3-ols, flavones, and ...
Inbar Schapsis, Wendy J. Dahl
doaj   +5 more sources

Effects of Extraction Technique on the Content and Antioxidant Activity of Flavonoids from Gossypium Hirsutum linn. Flowers

open access: yesMolecules, 2022
Cotton is one of the Uyghur medical materials in China and is rich in flavonoids. Flavonoids have important pharmacological effects. The yield of flavonoids in traditional extraction methods is low, which affects the development of flavonoids. Therefore,
Jiaxing Dong   +8 more
doaj   +1 more source

Preparation and Application of Molecularly Imprinted Polymers for Flavonoids: Review and Perspective

open access: yesMolecules, 2022
The separation and detection of flavonoids from various natural products have attracted increasing attention in the field of natural product research and development.
Yurou Yang, Xiantao Shen
doaj   +1 more source

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

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