Results 1 to 10 of about 21,992 (250)

Flavonoid glycosides from Odontonema strictum leaves [PDF]

open access: yesHeliyon
Odontonema strictum (Acanthaceae) leave extract was investigated for its flavonoid content. Column chromatography was used for compound isolation and mass spectrometry was performed using electrospray ionization (ESI) in the negative ion mode for ...
Jean Claude W. Ouédraogo   +6 more
doaj   +4 more sources

Metabolomics Combined with Proteomics Provide a Novel Interpretation of the Changes in Flavonoid Glycosides during White Tea Processing [PDF]

open access: yesFoods, 2022
In this study, nonvolatile metabolomics and proteomics were applied to investigate the change mechanism of flavonoid glycoside compounds during withering processing of white tea.
Xuming Deng   +7 more
doaj   +2 more sources

Multi-omics analysis reveals promiscuous O-glycosyltransferases involved in the diversity of flavonoid glycosides in Periploca forrestii (Apocynaceae) [PDF]

open access: yesComputational and Structural Biotechnology Journal
Flavonoid glycosides are widespread in plants, and are of great interest owing to their diverse biological activities and effectiveness in preventing chronic diseases.
Xiaotong Wang   +13 more
doaj   +2 more sources

Ginkgo biloba flavonoid glycosides in antimicrobial perspective with reference to extraction method [PDF]

open access: yesJournal of Traditional and Complementary Medicine, 2019
The present study aims to investigate the effect of extraction method on the recovery of flavonoid glycosides, antimicrobials and antioxidants from Ginkgo leaves collected from six different locations in Uttarakhand, Indian Himalaya.
Priyanka Sati   +3 more
doaj   +2 more sources

Flavonoid Glycosides in Brassica Species Respond to UV-B Depending on Exposure Time and Adaptation Time [PDF]

open access: yesMolecules, 2021
Recently, there have been efforts to use ultraviolet-B radiation (UV-B) as a biotechnological tool in greenhouses. Leafy Brassica species are mainly considered for their ability to synthesize glucosinolates and are valued as baby salads. They also have a
Susanne Neugart, Christiane Bumke-Vogt
doaj   +2 more sources

Determination of Flavonoid Glycosides by UPLC-MS to Authenticate Commercial Lemonade [PDF]

open access: yesMolecules, 2019
So far, there is no report on the quality evaluation of lemonade available in the market. In this study, a sample preparation method was developed for the determination of flavonoid glycosides by ultra-performance liquid chromatography−mass ...
Ying Xue   +6 more
doaj   +2 more sources

Substrate Selectivities of GH78 α-L-Rhamnosidases from Human Gut Bacteria on Dietary Flavonoid Glycosides [PDF]

open access: yesMolecules
α-L-rhamnosidases play a key role in the metabolism and biodegradation of dietary flavonoid glycosides. We have developed a novel microplate spectrophotometric method to rapidly evaluate the conversion rates and substrate selectivities of mesophilic α-L ...
Bin-Chun Li   +3 more
doaj   +2 more sources

New Flavonoid Glycosides from Elsholtzia rugulosa Hemsl. [PDF]

open access: yesMolecules, 2009
Elsholtzia rugulosa Hemsl. is known in China as a local herbal tea, medicinal herb and honey plant. Chemical examination of E. rugulosa led to the isolation of two new flavonoid glycosides, apigenin 4'-O-α-D-glucopyranoside (1) and 5,7,3',4'-tetrahydroxy-
Dongmei She   +3 more
doaj   +3 more sources

Bioinformatics analysis of photoexcited natural flavonoid glycosides as the inhibitors for oropharyngeal HPV oncoproteins [PDF]

open access: yesAMB Express
The presence of oropharyngeal human papillomavirus (HPV)-18 E6 and E7 oncoproteins is highly significant in the progression of oropharyngeal cancer. Natural flavonoid compounds have potential as photosensitizers for light-activated antimicrobial therapy ...
Maryam Pourhajibagher, Abbas Bahador
doaj   +2 more sources

Flavonoid Glycosides from Endemic Bulgarian Astragalus aitosensis (Ivanisch.) [PDF]

open access: yesMolecules, 2019
Astragalus is a very interesting plant genus, well-known for its content of flavonoids, triterpenes and polysaccharides. Its secondary metabolites are described as biologically active compounds showing several activities, e.g., immunomodulating ...
Hristo Vasilev   +6 more
doaj   +2 more sources

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