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Dasha Mihaylova et al.
Journal of food science and technology, 52(4), 2469-2473 (2015-04-02)
The antioxidant capacity of extracts from leaves of Haberlea rhodopensis Friv. obtained by a highly efficient and simple method of the ultrasound-assisted extraction was investigated. The total polyphenolic content was determined spectrophotometrically using the Folin - Ciocalteu's phenol reagent and the polyphenols
Patrick M Flanigan et al.
Food chemistry, 164, 518-526 (2014-07-06)
In this study, we determined the effect of cultivar on total and individual anthocyanin concentrations and phenolic acid levels in eight purple basil varieties and examined the relationship between anthocyanin content, phenolic acid composition, and antioxidant properties. Cultivar had a
Maya Mathew et al.
Indian journal of experimental biology, 52(6), 606-612 (2014-06-25)
As the disease modifying therapies against Alzheimer's disease (AD) continue to exist as a major challenge of this century, the search for newer drug leads with lesser side effects is on the rise. A large number of plant extracts and
Dong Ho Suh et al.
Journal of agricultural and food chemistry, 62(34), 8764-8771 (2014-08-08)
Metabolite profiling of red and white pitayas (Hylocereus polyrhizus and Hylocereus undatus) was performed using gas chromatography-time-of-flight-mass spectrometry and ultraperformance liquid chromatography-quadrupole-time-of-flight-mass spectrometry with multivariate analysis. Different species and parts of pitayas (red peel, RP; white peel, WP; red flesh
Mariana Trujillo et al.
Journal of agricultural and food chemistry, 62(42), 10297-10303 (2014-09-30)
A series of nitroderivatives has been synthesized from hydroxytyrosol, the natural olive oil phenol, to increase the assortment of compounds with putative effects against Parkinson's disease. Nitrohydroxytyrosyl esters were obtained from nitrohydroxytyrosol using a chemoselective one-step, high-yield, transesterification procedure. The
Su Yun Lee et al.
Food chemistry, 165, 157-166 (2014-07-21)
In this study, a comprehensive metabolite profile analysis of doenjang, a fermented soybean paste, at various steps of its industrial 5-step production process was conducted, by combining gas and liquid chromatography-mass spectrometry techniques with multivariate analysis. From the partial least
E Solem et al.
Journal of clinical chemistry and clinical biochemistry. Zeitschrift fur klinische Chemie und klinische Biochemie, 26(11), 697-703 (1988-11-01)
Four different, well known colour reagents for iron determination were tested in a citrate buffer at pH 2.0 under the same automated standard conditions and compared with a manual reference method on human serum and plasma samples. Specific results were
Wanpeng Xi et al.
Food chemistry, 161, 230-238 (2014-05-20)
China is one of the most important diversity centres of the genus Citrus L. and is particularly rich in pummelo germplasm. In this study, the flavonoids in the peels and pulps of 28 Chinese local pummelos and four grapefruits were
M Hilal Sehitoglu et al.
Journal of enzyme inhibition and medicinal chemistry, 30(2), 264-269 (2014-06-19)
In the present study, in order to evaluate antioxidant and radical scavenging properties of Pistachio gum (P-Gum), different bioanalytical methods such as DPPH(•) scavenging activity, DMPD(•+) radical scavenging activity, total antioxidant activity determination by ferric thiocyanate, reducing ability Fe(3+)-Fe(2+) transformation
Xu Si et al.
Journal of the science of food and agriculture, 96(6), 2055-2062 (2015-06-26)
Dehydration has been considered as one of the traditional but most effective techniques for perishable fruits. Raspberry powders obtained after dehydration can be added as ingredients into food formulations such as bakery and dairy products. In this study, raspberry powders
Heyam Mohamed Ali Sidahmed et al.
PloS one, 10(3), e0121060-e0121060 (2015-03-24)
Zingiber zerumbet Smith is a perennial herb, broadly distributed in many tropical areas. In Malaysia, it's locally known among the Malay people as "lempoyang" and its rhizomes, particularly, is widely used in traditional medicine for the treatment of peptic ulcer
A simplified kinetic method for the determination of uric acid in serum with a single Fe3+/2,4,6-tripyridyl-s-triazine reagent.
A Tabacco et al.
Clinica chimica acta; international journal of clinical chemistry, 104(3), 405-407 (1980-07-01)
Xiang Hou et al.
PloS one, 9(9), e108314-e108314 (2014-10-01)
The aim of this study was to investigate the antioxidant potential of ampelopsin (APS) by using various methods in vitro, as well as to determine effects of APS on LPS-induced oxidative stress in piglets. The results showed that APS exhibited
William A Hayes et al.
Analytical biochemistry, 416(2), 202-205 (2011-06-15)
The FRAP reagent contains 2,4,6-tris(2-pyridyl)-s-triazine, which forms a blue-violet complex ion in the presence of ferrous ions. Although the FRAP (ferric reducing/antioxidant power) assay is popular and has been in use for many years, the correct molar extinction coefficient of
O Kenny et al.
Food chemistry, 161, 79-86 (2014-05-20)
Antimicrobial properties of ethanol and water extracts from eight Asteraceae species were investigated against three Gram positive (Staphylococcus aureus, MRSA and Bacillus cereus) and two Gram negative (Escherichia coli and Salmonella typhimurium) bacterial strains. Ethanol extracts from Centaurea scabiosa, Arctium
Ratchanee Kongkachuichai et al.
Food chemistry, 173, 838-846 (2014-12-04)
Evidence from epidemiological studies has strongly suggested that diets rich in fruits and vegetables play a vital role in disease prevention. The aim of this study was to determine nutrient and antioxidant content for 15 varieties of indigenous vegetables and
Sunan Wang et al.
Journal of medicinal food, 18(3), 345-353 (2014-10-15)
Previous works on staghorn sumac (Rhus hirta) were mostly dedicated to its phytochemical profiles, antioxidant properties, and antidiabetic potentials. This study explored the potential of staghorn-sumac-derived functional ingredients for food and pharmacological applications. Sumac may have other biological functions, such
Yao Tang et al.
Food chemistry, 174, 502-508 (2014-12-23)
Composition of fatty acids, tocopherols, tocotrienols, and carotenoids, and their contribution to antioxidant activities were investigated in seeds of three coloured quinoa cultivars (white, red and black). The major components and individual compounds were significantly different, and their concentrations were
'True' ascorbic acid in plasma and serum: investigation of a new method.
W Samyn
Clinica chimica acta; international journal of clinical chemistry, 133(1), 111-117 (1983-09-15)
C B Pedersen et al.
European journal of clinical nutrition, 54(5), 405-408 (2000-05-24)
To assess whether consumption of 500 ml of blueberry juice or cranberry juice by healthy female subjects increased plasma phenolic content and antioxidant capacity. Latin square arrangement to eliminate ordering effects. After an overnight fast, nine volunteers consumed 500 ml
Jun Cheng et al.
Food chemistry, 168, 90-99 (2014-08-31)
The aim of this study was to investigate the applicability of artificial neural network (ANN) and multiple linear regression (MLR) models for the estimation of acrylamide reduction by flavonoids, using multiple antioxidant capacities of Maillard reaction products as variables via
Hua-Bin Li et al.
Analytical and bioanalytical chemistry, 388(2), 483-488 (2007-03-28)
The efficiencies of two traditional extraction methods used in Chinese medicine (the decoction method and the maceration method) were evaluated for the extraction of antioxidants from medicinal plants. A group of medicinal plants possessing nutritious and tonic functions were chosen
Mei Yang et al.
Food chemistry, 177, 304-312 (2015-02-11)
It has been claimed that consumptions of Abrus cantoniensis (AC) and Abrus mollis (AM) as folk beverages and soups are good to cleanse liver toxicants and prevent liver diseases. There is scant information on the phytochemical profiles and antioxidant activities
Yao Tang et al.
Journal of agricultural and food chemistry, 62(52), 12610-12619 (2014-12-04)
Composition of lipophilic phytochemicals including fatty acids, tocopherols, and carotenoids in leaves of 6 quinoa and 14 amaranth cultivars was analyzed. The oil yields in quinoa and amaranth leaves were only 2.72-4.18%, which contained mainly essential fatty acids and had
O Yildiz et al.
Journal of enzyme inhibition and medicinal chemistry, 29(5), 690-694 (2013-10-26)
Monoamine oxidase (MAO) inhibitors are generally used in the treatment of depressive disorders and some neurodegenerative illnesses, such as Parkinson's disease and Alzheimer's disease. The aim of this preliminary study was to investigate the MAO [MAO (E.C.1.4.3.4)] inhibiting effect of
Nafiseh Khandouzi et al.
Iranian journal of pharmaceutical research : IJPR, 14(1), 149-157 (2015-01-07)
Helicobacter pylori infection, the most common chronic bacterial infection in the world, and an important cause of gastrointestinal disorders, may be involved in the pathogenesis of some extra-gastrointestinal disturbances, as well as an increase in blood levels of certain inflammatory
Xiao-Ping Zhou et al.
Inorganic chemistry, 45(18), 7119-7125 (2006-08-29)
The reactions of 2,4,6-tri(2-pyridyl)-1,3,5-triazine (tpt) with copper(I) halides under solvothermal or traditional conditions yielded two polymeric Cu(I) complexes [Cu2I2(tpt)]n (1) and [Cu3I3(tpt)]n (2), one mixed-valence Cu(I)-Cu(II) complex [Cu4Cl2I4(tpt)2] (3), and two Cu(II) complexes [CuBr(bpca)] (4) and [CuI(bpca)] (5) (bpca =
Marzena Szwed et al.
Biochimie, 107 Pt B, 358-366 (2014-10-15)
Doxorubicin (DOX), one of the oldest member of the anthracycline antibiotics, has been administered for over 50 years to patients with leukemias and solid tumors. However, the high unspecified DOX toxicity, related to reactive oxygen species (ROS), affects its limitation
Hamada AbdElgawad et al.
Plant science : an international journal of experimental plant biology, 231, 1-10 (2015-01-13)
Increasing atmospheric CO2 will affect plant growth, including mitigation of stress impact. Such effects vary considerably between species-groups. Grasses (Lolium perenne, Poa pratensis) and legumes (Medicago lupulina, Lotus corniculatus) were subjected to drought, elevated temperature and elevated CO2. Drought inhibited
I F Benzie et al.
Analytical biochemistry, 239(1), 70-76 (1996-07-15)
A simple, automated test measuring the ferric reducing ability of plasma, the FRAP assay, is presented as a novel method for assessing "antioxidant power." Ferric to ferrous ion reduction at low pH causes a colored ferrous-tripyridyltriazine complex to form. FRAP
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