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Eszter Riethmüller et al.
Journal of pharmaceutical and biomedical analysis, 107, 159-167 (2015-01-17)
Corylus maxima Mill. (Betulaceae) leaves have been used in traditional medicine both internally and externally, nevertheless phytochemical exploration of the plant remains incomplete. In this study, the in vitro antioxidant activity and polyphenolic composition of the ethyl acetate and methanolic
Andrzej L Dawidowicz et al.
Journal of food science and technology, 52(7), 4523-4529 (2015-07-04)
The presented paper shows the influence of temperature increase in the range typically used during antioxidant measurements (15-35 °C) on the estimation of antioxidant properties of phenolic compounds (caffeic acid, ferulic acid, gallic acid, trolox, butylhydroxyanisole, butylhydroxytoluene and 2,6-diisopropylphenol) in associating
Rubén del Barrio-Galán et al.
Journal of the science of food and agriculture, 95(10), 2132-2144 (2014-09-27)
The objective of this work was to study the effect of two Saccharomyces cerevisiae yeast strains with different capabilities of polysaccharide liberation during alcoholic fermentation in addition to subsequent aging on lees with or without oak wood chips as well
N Mihailovic-Stanojevic et al.
Plant foods for human nutrition (Dordrecht, Netherlands), 68(3), 235-240 (2013-07-06)
The low incidence of cardiovascular disease in Mediterranean countries leads to an increased interest of the scientific community for the Mediterranean diet. Our aim was to evaluate total phenol and flavonoid contents, antioxidant capacity, free radical scavenging activity and potential
Kana Arai et al.
Analytical sciences : the international journal of the Japan Society for Analytical Chemistry, 31(8), 831-835 (2015-08-11)
In order to analyze trigonelline, caffeine, chlorogenic acid, and their related compounds simultaneously, an HPLC method using an InertSustain C18 column and a mobile phase containing octanesulfonate as an ion-pairing reagent under an acidic condition was developed. The optimum mobile
Mao-Liang Chen et al.
Immunopharmacology and immunotoxicology, 36(6), 390-396 (2014-10-15)
Tournefortia sarmentosa, a Chinese herbal medicine, is considered an antioxidant or a detoxicating agent. Recently T. sarmentosa has received attention for its effects on the immune response. Here we provide evidence that aqueous extract of T. sarmentosa can induce increased
Julheli R Girardelo et al.
Food research international (Ottawa, Ont.), 137, 109615-109615 (2020-11-26)
Eugenia involucrata DC. (Myrtaceae) is a native tree species from Brazil that has been scarcely studied. We investigated the phenolic composition, the antioxidant capacity and the antitumoral activity of ethanolic extracts from fruits (FE) and seeds (SE) of E. involucrata.
In-Kyoung Lee et al.
Bioorganic & medicinal chemistry, 17(13), 4674-4680 (2009-05-20)
New p-terphenyls, curtisians R (1)-V (5), have been isolated together with known compounds, curtisians E, I-P, and kynapcin-12, from the methanolic extract of the fruiting bodies of Paxillus curtisii (Paxillaceace). Their structures were established by various spectroscopic analyses including 1D-
Rosemary Vuković et al.
Plant science : an international journal of experimental plant biology, 199-200, 18-28 (2012-12-26)
The accumulation of phenolic compounds in plants is often part of the defense response against stress and pathogen attack, which can be triggered and activated by elicitors. Oomycetal proteinaceous elicitor, β-cryptogein, induces hypersensitive response and systemic acquired resistance against some
Arnold A Shamilov et al.
Life (Basel, Switzerland), 12(12) (2022-12-24)
(1) Background: Two Caucasian blueberries Vaccinium myrtillus L. and Vaccinium arctostaphylos L. are famous berry bushes growing in the Caucasus region and used to treat neurological diseases, but the chemistry and bioactivity of leaf extracts are still poorly studied. (2)
Miriam Cristina Díaz-García et al.
Journal of the science of food and agriculture, 95(6), 1283-1293 (2014-07-22)
Anthocyanins and other polyphenols from flowers and bracts of Thymus sp. are studied. An anthocyanin-rich food colourant with interesting high antioxidant activity from Thymus moroderi has been obtained, and applied to colour foods. Anthocyanins and other polyphenols from T. moroderi
Yun-Jin Hong et al.
Biological & pharmaceutical bulletin, 38(2), 201-207 (2014-11-18)
2-Amino-1-methyl-6-phenylimidazo[4,5-b]pyridine (PhIP) is formed as a by-product of the Maillard reaction during cooking and frying of protein-rich foods at high temperatures. PhIP is metabolized in the liver by cytochrome P450 1A1/2 to carcinogenic metabolite N-hydroxy PhIP, which can form DNA
Thiago C Genaro-Mattos et al.
PloS one, 10(6), e0129963-e0129963 (2015-06-23)
Caffeic acid (CA) is a phenolic compound widely found in coffee beans with known beneficial effects in vivo. Many studies showed that CA has anti-inflammatory, anti-mutagenic, antibacterial and anti-carcinogenic properties, which could be linked to its antioxidant activity. Taking in
Yu Chen et al.
Nature chemical biology, 5(5), 358-364 (2009-03-24)
Fragment screens have successfully identified new scaffolds in drug discovery, often with relatively high hit rates (5%) using small screening libraries (1,000-10,000 compounds). This raises two questions: would other noteworthy chemotypes be found were one to screen all commercially available
Flávia Santi Stefanello et al.
Food chemistry, 239, 385-401 (2017-09-07)
Brewer's spent grain (BSG) could be tested as an alternative source of polyphenols in animal nutrition. Proper extraction and analytical methods are critical for quantification. Thus, extraction for BSG, corn silage, and brans of rice, corn, and wheat were studied
Fuad Al-Rimawi et al.
Journal of AOAC International, 98(5), 1335-1339 (2015-11-04)
A simple, precise, accurate, and selective method was developed and validated for determination of eight phenolic compounds (gallic acid, p-hydroxybenzoic acid, vanilic acid, caffeic acid, syringic acid, p-coumaric acid, ferulic acid, and sinapic acid) in date palms. Separation was achieved
See-Hyoung Park et al.
Bioorganic & medicinal chemistry, 15(11), 3938-3950 (2007-04-10)
The antagonists for the SH2 domain are regarded as novel therapeutic candidates for cancer, autoimmune disease, and chronic inflammatory disease. Previously, we identified rosmarinic acid (alpha-o-caffeoyl-3,4-dihydroxyphenyl-lactic acid; RosA) from Prunella vulgaris as an antagonist for the p56lck SH2 domain by
Sabrina Okombi et al.
Bioorganic & medicinal chemistry letters, 16(8), 2252-2255 (2006-01-31)
Melanin play a major role in human skin protection and their biosynthesis is vital. Due to their color, they contribute to the skin pigmentation. Tyrosinase is a key enzyme involved in the first stage of melanin synthesis, catalyzing the transformation
Jianming Ren et al.
International journal of biological macromolecules, 53, 77-81 (2012-11-21)
In this work, two kinds of phenolic antioxidants-functionalized quaternized chitosan were synthesized in order to develop aqueous soluble antioxidant-polymer conjugates. Quaternized chitosan conjugated with gallic acid or caffeic acid was carried out and the antioxidant properties of the products (namely
B Y Hsu et al.
Journal of pharmaceutical and biomedical analysis, 132, 109-116 (2016-10-05)
A high performance liquid chromatography-diode array detection-tandem mass spectrometry method (HPLC-DAD-MS/MS) was developed for simultaneous determination of phenolic acids and flavonoids in djulis (Chenopodium formosanum Koidz.), a traditional Chinese herb reported to possess vital biological activities. A high yield of
Meltem Türkyılmaz et al.
Journal of the science of food and agriculture, 94(12), 2488-2496 (2014-01-22)
This study was conducted to determine the differences in some analytical properties of four apricot cultivars and to determine the changes in these analytical properties during sulfuring and sun-drying. There were significant differences in the contents of polyphenols, carotenoids and
Atsufumi Iwanaga et al.
Journal of natural products, 73(4), 609-612 (2010-02-27)
Chemical investigation of the aerial parts of Cimicifuga simplex afforded four new fukinolic acid analogues, cimicifugic acids K-N (1-4), and 10 known compounds, and C. japonica afforded three new fukinolic acid analogues, cimicifugic acids K-M (1-3), a new phenolic glycoside
Antonio de Jesus Cenobio-Galindo et al.
Food science and biotechnology, 28(5), 1553-1561 (2019-11-07)
The use of unconventional sources is very relevant in the food area. In the present study the development of active films with the addition of bioextract (BE) or microencapsulated bioextract (MBE) from xoconostle (Opuntia oligacantha) on chayotextle starch was investigated.
Gang Yu et al.
Bioorganic & medicinal chemistry letters, 20(3), 896-902 (2010-01-05)
A novel class of phenylacetic acid regioisomers possessing a N-difluoromethyl-1,2-dihydropyrid-2-one pharmacophore attached to its C-2, C-3 or C-4 position was designed for evaluation as anti-inflammatory (AI) agents. A number of compounds exhibited a combination of potent in vitro cyclooxygenase-2 (COX-2)
Yitong Liu et al.
Phytomedicine : international journal of phytotherapy and phytopharmacology, 20(5), 461-468 (2013-02-06)
The beneficial or adverse effects of isolated phytochemicals are not always concordant with effects of the botanical dietary supplements from which they were derived. This disparity could be due to interactions between the various phytochemicals present in the whole plant.
Akinobu Tanaka et al.
Molecules (Basel, Switzerland), 19(6), 8238-8260 (2014-06-20)
Besides being a useful building material, bamboo also is a potential source of bioactive substances. Although some studies have been performed to examine its use in terms of the biological activity, only certain parts of bamboo, especially the leaves or
Yuli Li et al.
PloS one, 10(5), e0125722-e0125722 (2015-05-06)
Cistanche deserticola is a completely non-photosynthetic parasitic plant with great medicinal value and mainly distributed in desert of Northwest China. Its dried fleshy stem is a crucial tonic in traditional Chinese medicine with roles of mainly improving male sexual function
Luis Bustamante et al.
Journal of agricultural and food chemistry, 65(13), 2793-2804 (2017-03-10)
A novel 'Red Globe' (RG)-derived grape variety, 'Pink Globe' (PG), was described and registered as a new genotype, with earlier ripening and sweeter taste than those of RG. Microsatellite analysis revealed that PG and RG are undifferentiable; however, the PG
Elizabeth L Cordonier et al.
The Journal of nutritional biochemistry, 26(11), 1379-1384 (2015-08-26)
Holocarboxylase synthetase (HLCS) is the sole protein-biotin ligase in the human proteome. HLCS has key regulatory functions in intermediary metabolism, including fatty acid metabolism, and in gene repression through epigenetic mechanisms. The objective of this study was to identify food-borne
Antioxidant stilbenoid and flavanonol from stem of Erythrophleum suaveolens (Guill. & Perr.).
Joseph Ngoupayo et al.
Magnetic resonance in chemistry : MRC, 53(8), 612-615 (2015-05-29)
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