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https://www.readbyqxmd.com/read/28806973/protective-effects-of-orange-citrus-sinensis-l-peel-aqueous-extract-and-hesperidin-on-oxidative-stress-and-peptic-ulcer-induced-by-alcohol-in-rat
#1
Slimen Selmi, Kais Rtibi, Dhekra Grami, Hichem Sebai, Lamjed Marzouki
BACKGROUND: Massive alcohol drinking can lead to gastric ulcer. In the present study we investigated the gastroprotective effect of Citrus sinensis peel aqueous extract (CSPE) and Hesperidin (H) in ethanol (EtOH) induced oxidative stress and peptic ulcer in rats. METHODS: Seventy adult male Wistar rats were divided into seven groups of 10 each: control, EtOH (4 g/kg b.w.), EtOH + various doses of CSPE (100, 200 and 400 mg/kg, b.w.), EtOH + Hesperidin (50 mg/kg, p...
August 14, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/28805834/profiles-of-free-and-bound-phenolics-extracted-from-citrus-fruits-and-their-roles-in-biological-systems-content-and-antioxidant-anti-diabetic-and-anti-hypertensive-properties
#2
Muhammad H Alu'datt, Taha Rababah, Mohammad N Alhamad, Majdi A Al-Mahasneh, Khalil Ereifej, Ghazi Al-Karaki, Mohammed Al-Duais, Juan E Andrade, Carole C Tranchant, Stan Kubow, Kawther A Ghozlan
This study of selected plants of the Rutaceae family was carried out to investigate their phenolic content, antioxidant activity, and the in vitro inhibitory potential of extracted phenolics towards enzymes relevant for hyperglycemia and hypertension. The phenolic content, antioxidant activity and phenolic extract-mediated inhibitory activities for α-glucosidase and α-amylase were evaluated by spectrophotometry. The content of individual phenolics and the angiotensin I-converting enzyme (ACE) inhibitory activity of the phenolic extracts were evaluated by LC/MS-MS and RP-HPLC methods, respectively...
August 14, 2017: Food & Function
https://www.readbyqxmd.com/read/28805022/hesperidin-supplementation-alleviates-oxidative-dna-damage-and-lipid-peroxidation-in-type-2-diabetes-a-randomized-double-blind-placebo-controlled-clinical-trial
#3
Fatemeh Homayouni, Fatemeh Haidari, Mehdi Hedayati, Mehrnoosh Zakerkish, Kambiz Ahmadi
This study aimed to examine the effects of hesperidin supplement on the glycemic parameters, oxidative DNA damage, and lipid peroxidation in patients with type 2 diabetes. Sixty-four patients were randomly allocated to receive 500 mg/day hesperidin or placebo capsules for 6 weeks. Data on glycemic parameters, total antioxidant capacity (TAC), 8-hydroxydeoxyguanosine (8-OHDG), and malondialdehyde (MDA) were collected at the baseline and at the end of the study. In hesperidin group, TAC increased (0.74 ± 0...
August 14, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28804235/management-of-varicose-veins-and-chronic-venous-insufficiency-in-a-comparative-registry-with-nine-venoactive-products-in-comparison-with-stockings
#4
G Belcaro, M Dugall, R Luzzi, M Corsi, A Ledda, A Ricci, L Pellegrini, M R Cesarone, M Hosoi, B M Errichi, U Cornelli, R Cotellese, G Agus, B Feragalli
The aim of this registry study was to compare products used to control symptoms of CVI. Endpoints of the study were microcirculation, effects on volume changes, and symptoms (analogue scale). Pycnogenol, venoruton, troxerutin, the complex diosmin-hesperidin, Antistax, Mirtoselect (bilberry), escin, and the combination Venoruton-Pycnogenol (VE-PY) were compared with compressions. No safety or tolerability problems were observed. At inclusion, measurements in the groups were comparable: 1,051 patients completed the registry...
September 2017: International Journal of Angiology: Official Publication of the International College of Angiology, Inc
https://www.readbyqxmd.com/read/28800907/biochemical-characterization-of-aspergillus-oryzae-recombinant-%C3%AE-l-rhamnosidase-expressed-in-pichia-pastoris
#5
Mai Ishikawa, Yoshihito Shiono, Takuya Koseki
An α-l-rhamnosidase-encoding gene from Aspergillus oryzae, which belongs to the glycoside hydrolase family 78, was cloned and expressed in Pichia pastoris. SDS-PAGE of the purified recombinant α-l-rhamnosidase protein revealed smeared bands with apparent molecular mass of 90-130 kDa. After N-deglycosylation, the recombinant enzyme showed a molecular mass of 70 kDa. The enzyme exhibited optimal activity at a pH of 5.0 and a temperature of 70 °C. Specific activity of the enzyme was higher toward hesperidin than toward naringin, which consist of α-1,6 and α-1,2 linkages, respectively...
August 9, 2017: Journal of Bioscience and Bioengineering
https://www.readbyqxmd.com/read/28780050/hesperidin-reverses-perivascular-adipose-mediated-aortic-stiffness-with-aging
#6
An Ouyang, Tyler B Garner, Bradley S Fleenor
We tested the hypothesis that hesperidin would reverse age-related aortic stiffness, perivascular adipose (PVAT) mediated-arterial stiffening and PVAT advanced glycation end-products (AGE) accumulation. Aortic pulse wave velocity (aPWV) and intrinsic mechanical stiffness, two measures of arterial stiffness, were assessed in C57BL/6 mice that were young (6months), old (27-29months), or old treated with hesperidin for 4weeks. Old compared with young mice had increased aPWV (444±10 vs. 358±8cm/s, P<0.05) and mechanical stiffness (6506±369 vs...
August 3, 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/28761134/the-neuroprotective-effect-of-hesperidin-in-nmda-induced-retinal-injury-acts-by-suppressing-oxidative-stress-and-excessive-calpain-activation
#7
Shigeto Maekawa, Kota Sato, Kosuke Fujita, Reiko Daigaku, Hiroshi Tawarayama, Namie Murayama, Satoru Moritoh, Takeshi Yabana, Yukihiro Shiga, Kazuko Omodaka, Kazuichi Maruyama, Koji M Nishiguchi, Toru Nakazawa
We found that hesperidin, a plant-derived bioflavonoid, may be a candidate agent for neuroprotective treatment in the retina, after screening 41 materials for anti-oxidative properties in a primary retinal cell culture under oxidative stress. We found that the intravitreal injection of hesperidin in mice prevented reductions in markers of the retinal ganglion cells (RGCs) and RGC death after N-methyl-D-aspartate (NMDA)-induced excitotoxicity. Hesperidin treatment also reduced calpain activation, reactive oxygen species generation and TNF-α gene expression...
July 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28754618/hepatoprotective-effect-of-hesperidin-in-hepatocellular-carcinoma-involvement-of-wnt-signaling-pathways
#8
Randa A Zaghloul, Nehal M Elsherbiny, Hany I Kenawy, Amr El-Karef, Laila A Eissa, Mamdouh M El-Shishtawy
AIMS: Wnt3a and Wnt5a are ligands orchestrating the canonical and non-canonical pathways, respectively, with involvement in hepatocellular carcinoma (HCC). Hesperidin (HP) is a natural product found in citrus fruits and reputed for its antitumor activity. The present study aims to investigate the potential hepatoprotective effect of HP against thioacetamide (TAA)-induced HCC focusing on its potential role on Wnt3a and Wnt5a signaling pathways. MAIN METHODS: Forty rats were equally divided into groups; normal control, HP control (receiving HP, 150mg/kg/day), HCC (receiving TAA, 200mg/kg twice weekly for 14weeks) and HP-HCC (receiving HP and TAA)...
July 25, 2017: Life Sciences
https://www.readbyqxmd.com/read/28753918/the-anti-inflammatory-properties-of-citrus-wilsonii-tanaka-extract-in-lps-induced-raw-264-7-and-primary-mouse-bone-marrow-derived-dendritic-cells
#9
Liping Cheng, Yujie Ren, Dingbo Lin, Shu'ang Peng, Bo Zhong, Zhaocheng Ma
'Zhique' (Citrus wilsonii Tanaka) is a traditional Chinese medicine. Its fruits have been used to treat inflammation-related symptoms, such as cough and sputum, though the underlying mechanism remains poorly understood. The aim of this study was to investigate the anti-inflammatory properties of 'Zhique' pulp extract (ZQE) in lipopolysaccharide (LPS)-induced RAW 264.7 macrophages and primary mouse bone marrow-derived dendritic cells (BMDCs). The flavonoid profiles of the ZQE were determined by high performance liquid chromatography...
July 19, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28753501/the-effect-of-active-components-from-citrus-fruits-on-dentin-mmps
#10
Zhengya Liu, Fang Li, Ling Zhang, Haohan Yu, Fan Yu, Jihua Chen
OBJECTIVES: This study was aimed to evaluate the anti-matrix metalloproteinases (MMPs) ability of active components from citrus fruits (hesperetin: Hst, hesperidin: Hsd and naringenin: Nge). METHODS: Inactivation effects of citrus flavonoids (Hst, Hsd, Nge) at different concentrations on soluble collagenase were measured using a fluorometric assay. Matrix-bound endogenous MMPs activity was evaluated via dry mass loss and hydroxyproline (HYP) release of demineralized human dentin...
July 20, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28730621/multiple-homonuclear-band-selective-decoupling-nmr-fast-and-unambiguous-determination-of-diastereomeric-excess
#11
Kavitha Rachineni, Veera Mohana Rao Kakita, Ramakrishna V Hosur
Discrimination and quantification of chiral stereoisomers have been studied by different analytical methods and NMR has emerged as a powerful one with the advancements in pure-shift NMR methods. In the present manuscript, an al-F1F2-MHOBS-DIAG NMR method for the quantification of diastereomeric excess ratio (dr) has been proposed and demonstrated, using Hesperidin and Naringin mixtures. This method enables simultaneous quantification of dr at multiple resonances, in a single experiment, and it takes only ~10 min to record...
July 20, 2017: Magnetic Resonance in Chemistry: MRC
https://www.readbyqxmd.com/read/28721824/potential-anti-inflammatory-effects-of-hesperidin-from-the-genus-citrus
#12
Silvia Tejada, Samuel Pinya, Miquel Martorell, Xavier Capó, Josep A Tur, Antoni Pons, Antoni Sureda
The benefits of the Mediterranean diet for protecting against many diseases are usually attributed to high consumption of certain foods, characterized by the presence of bioactive substances such as polyphenols. Citrus fruits, which are cultivated and consumed worldwide, are typical products of the Mediterranean diet. Inflammation plays an important role in the pathogenesis of numerous diseases such as arthritis, allergies and neurodegenerative disorders, among others. Dietary polyphenols constitute a large family of bioactive substances with potential beneficial effects against a broad group of diseases...
July 18, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28718686/kinetic-study-on-the-inhibition-of-xanthine-oxidase-by-acylated-derivatives-of-flavonoids-synthesised-enzymatically
#13
Maria Elisa Melo Branco de Araújo, Yollanda Edwirges Moreira Franco, Thiago Grando Alberto, Marcia Cristina Fernandes Messias, Camila Wielewski Leme, Alexandra Christine Helena Frankland Sawaya, Patricia de Oliveira Carvalho
Studies have reported that flavonoids inhibit xanthine oxidase (XO) activity; however, poor solubility and stability in lipophilic media limit their bioavailability and applications. This study evaluated the kinetic parameters of XO inhibition and partition coefficients of flavonoid esters biosynthesised from hesperidin, naringin, and rutin via enzymatic acylation with hexanoic, octanoic, decanoic, lauric, and oleic acids catalysed by Candida antarctica lipase B (CALB). Quantitative determination by ultra-high performance liquid chromatography-mass spectrometry (UHPLC-MS) showed higher conversion yields (%) for naringin and rutin esters using acyl donors with 8C and 10C...
December 2017: Journal of Enzyme Inhibition and Medicinal Chemistry
https://www.readbyqxmd.com/read/28686835/various-antioxidant-effects-were-attributed-to-different-components-in-the-dried-blossoms-of-citrus-aurantium-l-var-amara-engl
#14
Chun-Yan Shen, Tian-Xing Wang, Xi-Mei Zhang, Jian-Guo Jiang
Citrus aurantium L. var. amara Engl. (CAVA) was traditionally used as an edible and medicinal material in China. Total flavonoids (CAVAF), alkaloids (CAVAA), polysaccharides (CAVAP), coumarins (CAVAC), and neroli (CAVAO) were extracted from CAVA. Hesperidin, naringin, and neohesperidin composed 83.94% of CAVAF, and synephrine represented 50.56% of CAVAA. On the basis of 1,1-diphenyl-2-picrylhydrazyl radical (DPPH(•)), 2,2'-azinobis(3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt radical cation (ABTS(•) (+)), hydroxyl radical ((•)OH), ferric-reducing antioxidant power (FRAP), and reducing power assays, the antioxidant activities of five components were comprehensively and comparatively investigated...
August 2, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28686312/flavonoid-composition-of-tarocco-citrus-sinensis-l-osbeck-clone-lempso-and-fast-antioxidant-activity-screening-by-dpph-uhplc-pda-it-tof
#15
Eduardo Sommella, Francesco Pagano, Giacomo Pepe, Carmine Ostacolo, Michele Manfra, Marcello Chieppa, Rosa Di Sanzo, Sonia Carabetta, Pietro Campiglia, Mariateresa Russo
INTRODUCTION: Clonal selection and hybridisation are valid strategies to obtain fruits with enhanced sensorial and nutraceutical properties. Within Citrus sinensis varieties, Tarocco clone "Lempso" is a typical product of the Calabria region (Italy) characterised by its red pulp. This is the first report concerning its accurate profiling. OBJECTIVE: To characterise in detail the flavonoid composition of Lempso clone and to compare its antioxidant potential with other Citrus varieties by a fast screening method...
July 7, 2017: Phytochemical Analysis: PCA
https://www.readbyqxmd.com/read/28682120/comparison-of-the-effects-of-dietary-supplementation-of-flavonoids-on-laying-hen-performance-egg-quality-and-egg-nutrient-profile
#16
H Iskender, G Yenice, E Dokumacioglu, O Kaynar, A Hayırlı, A Kaya
1. The aim of this experiment was to compare the effects of dietary supplementation of hesperidin, naringin and quercetin on laying hen performance, egg quality and egg yolk lipid and protein profiles. A total of 96 Lohmann White laying hens weighing an average of 1500 g at 28 weeks of age were randomly assigned to a basal diet and the basal diet supplemented (0.5 g/kg) with either hesperidin, naringin or quercetin. Each treatment was replicated in 6 cages in an 8-week experimental period. Data were analysed using one-way ANOVA...
July 6, 2017: British Poultry Science
https://www.readbyqxmd.com/read/28659786/flavonoid-hesperidin-induces-synapse-formation-and-improves-memory-performance-through-the-astrocytic-tgf-%C3%AE-1
#17
Isadora Matias, Luan P Diniz, Andrea Buosi, Gilda Neves, Joice Stipursky, Flávia Carvalho Alcantara Gomes
Synapse formation and function are critical events for the brain function and cognition. Astrocytes are active participants in the control of synapses during development and adulthood, but the mechanisms underlying astrocyte synaptogenic potential only began to be better understood recently. Currently, new drugs and molecules, including the flavonoids, have been studied as therapeutic alternatives for modulation of cognitive processes in physiological and pathological conditions. However, the cellular targets and mechanisms of actions of flavonoids remain poorly elucidated...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28657497/hesperidin-attenuates-inflammation-and-oxidative-damage-in-pleural-exudates-and-liver-of-rat-model-of-pleurisy
#18
Stephen Adeniyi Adefegha, Daniela Bitencourt Rosa Leal, Ayodeji Augustine Olabiyi, Ganiyu Oboh, Livia Gelain Castilhos
OBJECTIVES: This study investigated the potential anti-inflammatory effect of hesperidin against carrageenan induced pleurisy in rat model. METHODS: Twenty-four adult female Wistar rats (350 - 450g) were grouped as follows: Group I: rats were administered saline solution only (Normal control group); Group II: rats were administered saline solution (NaCl 0.9%) orally and injected with carrageenan (Inflammation control group); Group III: rats were administered hesperidin only (Hesperidin group); Group IV: rats were administered hesperidin orally and intrapleurally injected with 2% carrageenan (Inflammation treated with hesperidin group)...
June 28, 2017: Redox Report: Communications in Free Radical Research
https://www.readbyqxmd.com/read/28643618/heat-stabilised-rice-bran-consumption-by-colorectal-cancer-survivors-modulates-stool-metabolite-profiles-and-metabolic-networks-a-randomised-controlled-trial
#19
RANDOMIZED CONTROLLED TRIAL
Dustin G Brown, Erica C Borresen, Regina J Brown, Elizabeth P Ryan
Rice bran (RB) consumption has been shown to reduce colorectal cancer (CRC) growth in mice and modify the human stool microbiome. Changes in host and microbial metabolism induced by RB consumption was hypothesised to modulate the stool metabolite profile in favour of promoting gut health and inhibiting CRC growth. The objective was to integrate gut microbial metabolite profiles and identify metabolic pathway networks for CRC chemoprevention using non-targeted metabolomics. In all, nineteen CRC survivors participated in a parallel randomised controlled dietary intervention trial that included daily consumption of study-provided foods with heat-stabilised RB (30 g/d) or no additional ingredient (control)...
May 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28627244/a-comparative-study-of-mentha-arvensis-l-and-mentha-haplocalyx-briq-by-hplc
#20
Bing Tian Zhao, Tae In Kim, Young Ho Kim, Jong Seong Kang, Byung Sun Min, Jong Keun Son, Mi Hee Woo
We have developed a new method to simultaneously determine five marker compounds in Menthae Herba via HPLC/PDA - including hesperidin (1), rosmarinic acid (2), diosmin (3), didymin (4) and buddleoside (5). The newly developed method was successfully used to analyse for two species (Mentha arvensis L. and Mentha haplocalyx Briq.) of Menthae Herba, and the satisfactory results were obtained from the validation of developed method. The pattern analysis could greatly discriminate between M. arvensis L. and M. haplocalyx Briq...
June 18, 2017: Natural Product Research
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