搜索结果: 1-15 共查到“食品科学技术 flavonoids”相关记录15条 . 查询时间(0.062 秒)
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...
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 ...
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 ...
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...
为了提高枸杞中黄酮类化合物的提取效果，通过超声波细胞粉碎仪的强化作用，对枸杞中的黄酮类化合物进行提取研究，通过单因素和正交试验确定最佳工艺参数。结果表明，最佳提取工艺参数为：乙醇体积分数80%，液料比50mL/g，超声波工作/间歇时间3s/1s，超声波功率500W，提取时间50min。在此条件下提取率达到89.87%。
Compositions of Anthocyanin and Other Flavonoids in Cultured Cells of Rabbiteye Blueberry （Vaccinium ashei Reade cv. Tifblue）
blueberry cultured cell anthocyanins phenolics
2009/6/18
Our blueberry cultured cells produce anthocyanins in high quantity (Nawa et al., Biosci. Biotech. Biochem., 57, 770-774, 1993). Using high performance liquid chromatography/mass spectrometry (LC-MS), ...
Effect of Flavonoids on the Differentiation of 3T3-L1 Adipocytes
3T3-L1 adipocyte differentiation flavonoid
2009/6/18
The effect of dietary flavonoids (flavone, isoflavone, flavanone, chalcone, flavonol, and flavonol derivatives) on the differentiation of 3T3-L1 adipocytes was investigated. Glycerol-3-phosphate dehyd...
Characteristics of Flavonoids in Niihime Fruit - a New Sour Citrus Fruit
flavonoid niihime fruit sour citrus fruit
2009/5/31
Niihime fruit, produced in the coastal area of the Sea of Kumano in Mie prefecture, is a new sour citrus fruit. This is the first study to examine the characteristics of the flavonoids in niihime frui...
Anti-stress Effects of Flavonoids from Buckwheat Sprouts in Mice Subjected to Restraint Stress
buckwheat sprout flavonoid antioxidant activity restraint stress
2009/5/8
We examined the effects of orally administered flavonoids isolated from buckwheat (Fagopyrum esculentum Moench) sprouts in restrained mice. These flavonoids have been shown to have antioxidant activit...
Influence of Flavonoids on the Stability of an (S)-Hydroxynitrile Lyase from Hevea brasiliensis
hydroxynitrile lyase Hevea brasiliensis stabilization
2009/3/20
The (S)-hydroxynitrile lyase from leaves of the rubber tree Hevea brasiliensis (HbHnl) (EC 4.1.2.39) catalyzes the industrially interesting formation of (S)-cyanohydrins from aldehydes or ketones and ...
Effects of Structurally Related Flavonoids on hsp Gene Expression in Human Promyeloid Leukaemia Cells
hsp genes flavonoids leukaemia
2009/3/20
Quercetin is a known specific inhibitor of hsp70 synthesis and thus might be a potent agent for enhancing the selective cytotoxicity of heat on tumour cells. A comparative analysis of the effects of q...
Effect of Flavonoids on Glutathione Level,Lipid Peroxidation and Cytochrome P450 CYP1A1
flavonoids tumor cells cytotoxicity
2009/3/5
Flavonoids are phytochemicals exhibiting a wide range of biological activities, among which are antioxidant activity, the ability to modulate activity of several enzymes or cell receptors and possibil...
Sesquiterpenoids, Triterpenoids, and Flavonoids from the Fruits of Schinus molle
Schinus molle Anacardiaceae sesquiterpenoid triterpenoid
2010/2/3
Twelve sesquiterpenoids, one of which was a new compound, six tirucallane-type triterpenoids, and four flavonoids were isolated from the fruits of Schinus molle L. (Anacardiaceae). Their chemical stru...
Trtametes versicolor Laccase Mediated Oxidation of Flavonoids. Influence of the Hydroxylation Pattern of Ring B of Flavonols
Influence he Hydroxylation
2008/11/26
Several flavonols were chemically transformed upon treatment by Trametes versicolor laccase; the majority of the major oxidation products were isolated (HPLC) as pure compounds and their structures un...