Antioxidative Flavonol Glucuronides and Anti-HBsAg Flavonol from Rotala rotundifolia
Journal of Traditional and Complementary Medicine, 2011 Two new flavonol glucuronides, quercetin 3-O-β-D-2″-acetylglucuronide (1) and quercetin 3-O-β-D-2″-acetylglucuronide methyl ester (2), along with four known flavonoids (3-6) were isolated from the whole parts of Rotala rotundifolia. The structures of 1 and 2 were elucidated by application of various spectroscopic methods, including 1D and 2D NMR ...
Li-Jie Zhang +4 more
openaire +3 more sources
Flavones’ and Flavonols’ Antiradical Structure–Activity Relationship—A Quantum Chemical Study
Antioxidants, 2020 Flavonoids are known for their antiradical capacity, and this ability is strongly structure-dependent. In this research, the activity of flavones and flavonols in a water solvent was studied with the density functional theory methods.
Maciej Spiegel, T. Andruniów, Z. Sroka
semanticscholar +1 more source
How to perform RT-qPCR accurately in plant species?: a case study on flower colour gene expression in an azalea (Rhododendron simsii hybrids) mapping population [PDF]
, 2013 Background: Flower colour variation is one of the most crucial selection criteria in the breeding of a flowering pot plant, as is also the case for azalea (Rhododendron simsii hybrids).
De Keyser, Ellen +3 more
core +2 more sources
Antioxidants, 2023 The objective of this study is the characterization of the phenolic profile and antioxidant activity of elderberries (Sambucus nigra L.) from a collection of 79 wild specimens in northern Spain to assess variations in the species at the local level and ...
Roberto Rodríguez Madrera +1 more
doaj +1 more source
Molecular Basis for Chemical Evolution of Flavones to Flavonols and Anthocyanins in Land Plants1
Plant Physiology, 2020 Functional flavone synthase Is in liverworts are evolutionarily linked to seed plant flavanone 3β-hydroxylases, and bifunctional enzymes likely represent a transition between the two enzymes.
Dan Li +9 more
semanticscholar +1 more source
Growth, photosynthetic pigments, phenolic content and biological activities of Foeniculum vulgare Mill., Anethum graveolens L. and Pimpinella anisum L. (Apiaceae) in response to zinc [PDF]
, 2017 The effect of zinc (Zn) on phenols, antioxidant activities (free radicals' scavenging activities, inhibition of lipid peroxidation, chelating activity and reducing power), and enzyme inhibition activities of acetylcholinesterase, lipoxygenase and ...
Ben Kaab, Leila Bettaieb +6 more
core +1 more source
Foods, 2020 Earlier studies suggested that traditional apple varieties have quality traits well accepted by consumers and beneficial effects on human health. The aim was to collect 25 traditional apple varieties grown in Croatia and to determine, for the first time ...
Lidija Jakobek +5 more
doaj +1 more source
Antioxidant activity of thyme waste extract in O/W emulsions [PDF]
, 2019 Thymus vulgaris (thyme) is an aromatic plant and its essential oil has been applied as antimicrobial and antioxidant due to the presence of phenolic compounds.
AAZZA, Smail +8 more
core +1 more source
Antioxidants, 2013 This paper summarizes the information on the occurrence of phenolic compounds in apple (Malus x domestica Borkh.) fruit and juice, with special reference to their health related properties. As phytochemical molecules belonging to polyphenols are numerous,
Alessandra Francini, Luca Sebastiani
doaj +1 more source
In vitro ion chelating, antioxidative mechanism of extracts from fruits and barks of tetrapleura tetraptera and their protective effects against fenton mediated toxicity of metal ions on liver homogenates [PDF]
, 2015 The aim of the present study was to investigate the antioxidant activity and protective potential of T. tetraptera extracts against ion toxicity. The antioxidant activity of the extracts was investigated spectrophotometrically against several radicals (1,
Biapa, P. C. N. +6 more
core +3 more sources