搜索结果: 1-15 共查到“Flavonoids”相关记录42条 . 查询时间(0.046 秒)
In vitro bioactivity of various pure flavonoids in ruminal fermentation, with special reference to methane formation
rumen ammonia Hohenheim Gas Test epicatechin isoquercetin luteolin-7-glucoside quercetin catechin tannic acid
2018/11/23
Polyphenols, like flavonoids, have been investigated when present in intact plants or in extracts as methane mitigating dietary supplements in ruminants. The aim of the present study was to examine pu...
The role of metabolism (and the microbiome) in defining the clinical efficacy of dietary flavonoids
absorption ADME flavonoids genotype health metabolism microbiome
2018/11/12
At a population level, there is growing evidence of the beneficial effects of dietary flavonoids on health. However, there is extensive heterogeneity in the response to increased intake, which is like...
Optimisation of microwave-assisted extraction of flavonoids and phenolics from celery (Apium graveolens L.) leaves by response surface methodology
Box-Behnken experimental design total flavonoids total phenolics antioxidant activity
2016/12/9
The conditions for microwave-assisted extraction (MAE) of total flavonoids (TF) and total phenols (TP), and antioxidant activity from celery (Apium graveolens L.) leaves by response surface methodolog...
Flavonoids: a review of probable mechanisms of action and potential applications
Flavonoids bioflavonoids antioxidants
2016/6/14
The aim of this review, a summary of the putative
biological actions of flavonoids, was to obtain a further
understanding of the reported beneficial health effects of these
substances. Flavonoids o...
Consumption of flavonoids in onions and black tea: lack of effect on F2-isoprostanes and autoantibodies to oxidized LDL in healthy humans
Flavonoid onions black tea antioxidant
2016/6/13
Oxidative damage to lipids in vivo may be
involved in the development of atherosclerosis and cancer.
Onions and black tea are foods rich in flavonoids, predominantly
the flavonoid quercetin, which ...
Effect of Antioxidant Flavonoids (Quercetin and Taxifolin) on In vitro Maturation of Porcine Oocytes
Porcine Oocyte Antioxidants Quercetin Reactive Oxygen Species [ROS]
2016/5/19
Quercetin (QT) and taxifolin (TF) are structurally similar plant-derived flavonoids that have antioxidant properties and act as free radical scavengers. The objective of this study was to investigate ...
Impact of freezing on flavonoids/radical-scavenging activity of two onion varieties
Allium cepa L. anthocyanins flavonols domestic storage frozen onions
2015/7/28
Flavonols, anthocyanins, and radical-scavenging activity of two Portuguese onion cultivars (Branca da Póvoa, white; and Vermelha da Póvoa, red) were evaluated simulating domestic freezing conditions (...
Prediction of Total Phenolics and Flavonoids Contents in Chinese Wild Rice (Zizania latifolia) Using FT-NIR Spectroscopy
Total Phenolics Flavonoids Contents
2016/6/2
Total phenolics and flavonoids contents in Chinese wild rice were predicted using Near Infrared (NIR) spectroscopy as a rapid method. A Partial Least Square (PLS) algorithm was applied to perform the ...
Relationship between Chemical Structure and Antioxidant Function of Flavonoids
Food package Flavonoid Polyphenol Chemical structure Antioxidant activity
2010/9/8
Antioxidant activities (including photo-antioxidant activities) of flavonoids were evaluated fundamentally and kinetically for the potential to produce plastic food packages with high antioxidant perf...
Extraction, purification, and characterisation of the flavonoids from Opuntia milpa alta skin
Opuntia milpa alta skin flavonoids extraction LC-MS isorhamnetin 3-O-(2, 6-dirhamnosyl)glucoside isorhamnetin 3-O-D-rutinoside
2014/2/27
The flavonoids contained in Opuntia milpa alta skin were extracted, purified, and identified. Based on single factor experimental results, the extraction parameters were optimised by using orthogonal ...
Separation/Determination of Flavonoids and Ascorbic Acid in Rat Serum and Excrement by Capillary Electrophoresis with Electrochemical Detection
Flavonoids Ascorbic Acid in Rat Serum Excrement Capillary Electrophoresis with Electrochemical Detection
2010/9/20
A capillary electrophoresis with electrochemical detection was developed for the simultaneous determination of three flavonoids (naringenin, rutin, quercetin) and ascorbic acid. It was found that nari...
Cytotoxic and Apoptotic Effect of Structurally Similar Flavonoids on Parental and Drug-Resistant Cells of a Human Cervical Carcinoma
apoptosis drug-resistant cells flavonoids glutathione glutathione S-transferase
2010/3/24
Flavonoids are phytochemicals characterized by a wide range of biological activities, including antioxidant activity, the ability to modulate enzyme or cell receptor activity patterns, and to interfer...
Antioxidant galloylated flavonoids from Geranium tuberosum L. subsp. tuberosum
G. tuberosum L. subsp. tuberosum flavonol gallate flavonoids methyl gallate antioxidant
2010/4/8
Phytochemical investigations on the most active EtOAc extract led to the isolation of 9 flavonoids [quercetin (1), quercetin 3-O-b-glucopyranoside (2), quercetin 3-O-b-galactopyranoside (3), quercetin...
洋葱中黄酮类化合物体外抗氧化活性研究（Study on Antioxidant Activity in Vitro of Onion Flavonoids）
洋葱 黄酮类化合物 抗氧化活性
2009/9/11
通过测定洋葱中黄酮类化合物对Fe2+的螯合能力，对DPPH自由基、亚硝酸盐的清除能力，对卵黄脂蛋白脂质过氧化及油脂过氧化的抑制作用，研究了其体外抗氧化活性。结果表明：洋葱中黄酮类化合物对Fe2+具有很强的螯合能力，对DPPH自由基、亚硝酸盐具有良好的清除能力，对卵黄脂蛋白脂质过氧化及油脂过氧化具有明显的抑制作用，即洋葱中黄酮类化合物具有良好的体外抗氧化活性。
Flavonoids from mulberry leaves by microwave-assisted extract and anti-fatigue activity
Flavonoids mulberry leaves microwave-assisted extract anti-fatigue
2010/9/10
Flavonoids from mulberry leaves (FML) were extracted using microwave-assisted extraction method (MAE). Several correlation factors were studied to optimise conditions at laboratory scale. The research...