Results 21 to 30 of about 23,188 (239)

New Flavonoid Glycosides and Cyanogenic Glycosides from Dracocephalum peregrinum

Chemical and Pharmaceutical Bulletin, 2009
Separation of ethyl acetate fractionation of Dracocephalum peregrinum afforded three new flavonoid glucosides (1-3), and a new cyanogenic glucoside (4). Their structures were elucidated based on HR-electron spray ionization (ESI)-MS, EI-MS, UV, IR, 1D-, and 2D-NMR data. 1-4 were tested in vitro for their antiinflammatory activity against the RAW 264.7,
Fu, Peng, Zhao, Chun-Chao, Tang, Jian, Shen, Yun-Heng, Xu, Xi-ke, Zhang, Wei-Dong   +5 more
openaire   +3 more sources

In Vitro and In Silico Analyses Explore the Role of Flavonoid Classes in the Antiviral Activity of Plant Extracts Against the Dengue Virus

Molecules
This study examined the relationship between flavonoid content and the antiviral effects of plant extracts against the dengue virus (DENV). Fourteen extracts from medicinal plants cultivated in Colombia, which were prepared by ultrasonic-assisted solvent
Sindi A. Velandia, Elena E. Stashenko, Elizabeth Quintero-Rueda, Sergio Conde-Ocazionez, Lady J. Sierra, Raquel E. Ocazionez   +5 more
doaj   +1 more source

Gut Microbial Release of Ferulic Acid From Germinated Quinoa Alleviates Obesity‐Associated Cognitive Impairment by Activating Hippocampal Mitophagy Associated with PINK1/Parkin Pathway

Advanced Science, EarlyView.
Liberation of ferulic acid by gut microbial feruloyl esterase mediates cognitive enhancement of germinated quinoa (GQF) on obese mice. Ferulic acid enriched in GQF is released by gut microbes Roseburia hominis and R. intestinalis and subsequently mediates the neuroprotective effects of GQF on obesity‐induced cognitive decline by activating hippocampal ...
Yongli Lan, Wengang Zhang, Lei Wang, Shiyang Zhao, Yujie Song, Xinze Wang, Yutang Wang, Xijuan Yang, Shaobo Ma, Junlin Ge, Rui Guo, Xuebo Liu   +11 more
wiley   +1 more source

Rapid Analysis of the Main Components of the Total Glycosides of by UPLC/Q-TOF-MS

Natural Product Communications, 2010
A rapid method for the analysis of the main components of the total glycosides of Ranunculus japonicus (TGOR) was developed using ultra-performance liquid chromatography with quadrupole-time-of-flight mass spectrometry (UPLC/Q-TOF-MS).
Wen Rui, Hongyuan Chen, Yuzhi Tan, Yanmei Zhong, Yifan Feng   +4 more
doaj   +1 more source

Guidelines for High‐Throughput Screening for Natural Products With Anti‐Aging Activity Based on Drosophila Intestinal Homeostasis

AgriFood: Journal of Agricultural Products for Food, EarlyView.
ABSTRACT Aging represents a critical risk factor for chronic diseases, driving an urgent demand for interventions promoting healthy longevity. This study establishes standardized guidelines for high‐throughput screening (HTS) of anti‐aging natural products using Drosophila melanogaster, leveraging its intestinal homeostasis as a biomarker.
Xiao Sheng, Lei Zhang
wiley   +1 more source

Flavonoid glycosides in nine Polygonum L. taxons

Acta Societatis Botanicorum Poloniae, 2014
Eighteen flavonoid glycosides were identified in the following taxons of the Polygonum L. genus: P. hydropiper L., P. bistorta L., P. aviculare L., P. persicaria L., P. lapathifolium ssp. tomentosum (Schrank) Dans, P. lapathifolium ssp.
Helena D. Smolarz
doaj   +1 more source

Functional characterization of three flavonoid glycosyltransferases from Andrographis paniculata [PDF]

Royal Society Open Science, 2019
Andrographis paniculata is an important traditional medicinal herb in South and Southeast Asian countries with diverse pharmacological activities that contains various flavonoids and flavonoid glycosides.
Yuan Li, Xin-Lin Li, Chang-Jiang-Sheng Lai, Rui-Shan Wang, Li-Ping Kang, Ting Ma, Zhen-Hua Zhao, Wei Gao, Lu-Qi Huang   +8 more
doaj   +1 more source

Application of a novel schema for describing fossil fern foliage and investigating taxonomic and morphological change across the Cretaceous–Paleogene boundary in western North America

American Journal of Botany, EarlyView.
Abstract Premise The Chicxulub asteroid impact at the Cretaceous–Paleogene (K–Pg) boundary triggered a mass extinction 66 million years ago. Ferns thrived in the aftermath of the extinction, evidenced by the well‐documented “fern spore spike.” However, fern macrofossil records across the K–Pg boundary are less understood.
Fern B. Holian, Emily B. Sessa, Richard S. Barclay, Regan E. Dunn, Jacquelyn L. Gill, Kirk R. Johnson, S. Augusta Maccracken, Ian M. Miller, Jarmila Pittermann, Ellen D. Currano   +9 more
wiley   +1 more source

Flavonoid and Flavone C-Glycosides from

Natural Product Communications, 2006
A new acylated flavone C-glycoside, dregeanin ( 1 ) was isolated from the flowers of Dregea volubilis, together with vicenin-2, vitexin, isovitexin, isoorientin, rutin, quercetin, luteolin and apigenin. The structure of 1 was established by spectroscopic
Nilendu Panda, Debayan Mandal, Nirup B. Mandal, Niranjan P. Sahu, Sukdeb Banerjee   +4 more
doaj   +1 more source

Special Effect of Ionic Liquids on the Extraction of Flavonoid Glycosides from Chrysanthemum morifolium Ramat by Microwave Assistance

Molecules, 2015
A microwave-assisted extraction approach based on ionic liquids of different chain lengths was successfully applied to the extraction of ten flavonoid glycosides from the flowering heads of Chrysanthemum morifolium Ramat.
Ying Zhou, Datong Wu, Pengfei Cai, Guifang Cheng, Chaobiao Huang, Yuanjiang Pan   +5 more
doaj   +1 more source