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https://www.readbyqxmd.com/read/28529700/effect-of-citrus-based-products-on-urine-profile-a-systematic-review-and-meta-analysis
#1
Fakhri Rahman, Ponco Birowo, Indah S Widyahening, Nur Rasyid
Background. Urolithiasis is a disease with high recurrence rate, 30-50% within 5 years. The aim of the present study was to learn the effects of citrus-based products on the urine profile in healthy persons and people with urolithiasis compared to control diet and potassium citrate.  Methods. A systematic review was performed, which included interventional, prospective observational and retrospective studies, comparing citrus-based therapy with standard diet therapy, mineral water, or potassium citrate. A literature search was conducted using PUBMED, COCHRANE, and Google Scholar with "citrus or lemonade or orange or grapefruit or lime or juice" and "urolithiasis" as search terms...
2017: F1000Research
https://www.readbyqxmd.com/read/28516769/identification-of-rotundone-as-a-potent-odor-active-compound-of-several-kinds-of-fruits
#2
Akira Nakanishi, Yusuke Fukushima, Norio Miyazawa, Keisuke Yoshikawa, Tomoko Maeda, Yoshiko Kurobayashi
An investigation of the aromas of grapefruit, orange, apple, and mango revealed the presence of an odor-active compound that gave off a strong woody odor when assessed by gas chromatography-olfactometry. We isolated the compound from a high-boiling fraction of an orange essential oil, and subsequent nuclear magnetic resonance analyses of the isolated compound identified it as rotundone. Mass spectra and retention indices obtained from aroma concentrates of grapefruit, apple, and mango were identical to those of rotundone, which was therefore determined to be the common woody compound in these fruits...
May 18, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28509871/nutraceutical-value-of-citrus-flavanones-and-their-implications-in-cardiovascular-disease
#3
REVIEW
Lara Testai, Vincenzo Calderone
Background- Cardiovascular diseases, including myocardial infarction, dyslipidaemia and coronary artery pathology, are a major cause of illness and death in Western countries. Therefore, identifying effective therapeutic approaches and their cellular signalling pathways is a challenging goal for medicine. In this regard, several epidemiological studies demonstrate a relationship between the intake of flavonoid-rich foods and the reduction of cardiovascular risk factors and mortality. In particular, flavonoids present in citrus fruits, such as oranges, bergamots, lemons and grapefruit (95% from flavanones), are emerging for their considerable nutraceutical value...
May 16, 2017: Nutrients
https://www.readbyqxmd.com/read/28504483/comparison-of-a-new-intranasal-naloxone-formulation-to-intramuscular-naloxone-results-from-hypothesis-generating-small-clinical-studies
#4
Brandon T Gufford, Garrett R Ainslie, John R White, Matthew E Layton, Jeannie M Padowski, Gary M Pollack, Mary F Paine
Easy-to-use naloxone formulations are needed to help address the opioid overdose epidemic. The pharmacokinetics of intravenous, intramuscular, and a new intranasal naloxone formulation (2 mg) were compared in six healthy volunteers. Relative to intramuscular naloxone, geometric mean [90% CI] absolute bioavailability of intranasal naloxone was modestly lower (55 [43-70] versus 41 [27-62] %), whereas average (± SE) mean absorption time was substantially shorter (74 ± 8.8 versus 6.7 ± 4.9 min). The opioid-attenuating effects of intranasal naloxone were compared to intramuscular naloxone (2 mg) after administration of oral alfentanil (4 mg) to a separate group of six healthy volunteers pre-treated with 240 ml of water or grapefruit juice...
May 15, 2017: Clinical and Translational Science
https://www.readbyqxmd.com/read/28502388/the-grapefruit-an-alternative-arthroscopic-tool-skill-platform
#5
David A Molho, Stephen M Sylvia, Daniel L Schwartz, Sara L Merwin, I Martin Levy
PURPOSE: To establish the construct validity of an arthroscopic training model that teaches arthroscopic tool skills including triangulation, grasping, precision biting, implant delivery and ambidexterity and uses a whole grapefruit for its training platform. METHODS: For the grapefruit training model (GTM), an arthroscope and arthroscopic instruments were introduced through portals cut in the grapefruit skin of a whole prepared grapefruit. After institutional review board approval, participants performed a set of tasks inside the grapefruit...
May 11, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28500980/serum-metabolomics-reveals-the-mechanistic-role-of-functional-foods-and-exercise-for-obesity-management-in-rats
#6
Naglaa M Ammar, Mohamed A Farag, Tahani E Kholeif, Nadia S Metwally, Nora M El-Sheikh, Abdel Nasser El Gendy, Abdel-Hamid Z Abdel-Hamid
Obesity is one of the independent risk factors for several health problems, leading to metabolic perturbations and for which analytical approaches i.e., "metabolomics" is needed to monitor the underlying metabolic changes. In this study, obesity associated changes were assessed via serum metabolites analysis of obese rats fed on high fat diet. Obese rats were subsequently treated with different functional foods used for obesity management including pomegranate, grapefruit, and red cabbage in parallel to swimming exercise...
May 1, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28472825/lycopene-improves-insulin-sensitivity-through-inhibition-of-stat3-srebp-1c-mediated-lipid-accumulation-and-inflammation-in-mice-fed-a-high-fat-diet
#7
Zhaohui Zeng, Wang He, Zhen Jia, Shu Hao
In the past few years, metabolic disorders, such as type 2 diabetes and metabolic syndrome, has reached global prevalence. Lycopene is one of the major carotenoids in tomatoes, watermelons, red grapefruits, and guava. In the current study, using high fat diet (HFD)-fed mice, we investigated the effect of Lycopene on insulin resistance. We showed that diet containing Lycopene significantly prevented HFD-induced increase of fasting blood glucose and insulin level, glucose and insulin intolerance, and decrease of hepatic glycogen content...
May 4, 2017: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/28463082/quantification-of-transfer-of-salmonella-from-citrus-fruits-to-peel-edible-portion-and-gloved-hands-during-hand-peeling
#8
Jiin Jung, Loretta M Friedrich, Michelle D Danyluk, Donald W Schaffner
Although studies have quantified bacterial transfer between hands and various materials, cross-contamination between the surface of fresh citrus fruit and the edible portions during hand peeling has not been reported. This study quantifies transfer of Salmonella to the edible portion of citrus fruit from a contaminated peel during hand peeling. Citrus fruits used for this study were Citrus sinensis (sweet orange) cultivars 'Valencia' and 'Navel', Citrus unshiu (Satsuma mandarins), Citrus reticulata × Citrus paradisi ('Minneola' tangelo or 'Honeybell'), and C...
May 2, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28455260/tas2r38-and-ca6-genetic-polymorphisms-frequency-of-bitter-food-intake-and-blood-biomarkers-among-elderly-woman
#9
Joanna Mikołajczyk-Stecyna, Anna M Malinowska, Agata Chmurzynska
OBJECTIVE: Taste sensitivity is one of the most important biological determinants of food choice. Three SNPs of the TAS2R38 gene (rs713598, rs1726866, and rs10246939) give rise to two common haplotypes: PAV and AVI. These haplotypes, as well as an SNP within the CA6 gene (rs2274333) that encodes carbonic anhydrase VI (CA6), correlate with bitterness perception. The extent of consumption of bitter food may influence some health outcomes. The aim of this study is thus to investigate the impact of the TAS2R38 and CA6 genetic polymorphisms on the choice of bitter food, BMI, blood lipoprotein, and glucose concentrations as well as systemic inflammation in elderly women...
April 25, 2017: Appetite
https://www.readbyqxmd.com/read/28414144/intestinal-drug-interactions-mediated-by-oatps-a-systematic-review-of-pre-clinical-and-clinical-findings
#10
REVIEW
Jingjing Yu, Zhu Zhou, Jessica Tay-Sontheimer, René H Levy, Isabelle Ragueneau-Majlessi
In recent years, an increasing number of clinical drug-drug interactions (DDIs) have been attributed to inhibition of intestinal organic anion transporting polypeptides (OATPs); however, only a few of these DDI results were reflected in drug labels. This review aims to provide a thorough analysis of intestinal OATP-mediated pharmacokinetic-based DDIs, using both in vitro and clinical investigations, highlighting the main mechanistic findings and discussing their clinical relevance. On the basis of pharmacogenetic and clinical DDI results, a total of 12 drugs were identified as possible clinical substrates of OATP2B1 and/or OATP1A2...
April 13, 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28370954/citrus-flavonoid-naringenin-reduces-mammary-tumor-cell-viability-adipose-mass-and-adipose-inflammation-in-obese-ovariectomized-mice
#11
Jia-Yu Ke, Taylor Banh, Yung-Hsuan Hsiao, Rachel M Cole, Shana R Straka, Lisa D Yee, Martha A Belury
SCOPE: Obesity-related metabolic dysregulation may be a link between obesity and postmenopausal breast cancer. Naringenin, a flavonoid abundant in grapefruits, displays beneficial effects on metabolic health and tumorigenesis. Here, we assessed the effects of naringenin on mammary tumor cell growth in vitro and in obese ovariectomized mice. METHODS AND RESULTS: Naringenin inhibited cell growth, increased phosphorylation of AMP-activated protein kinase (AMPK), down-regulated CyclinD1 expression, and induced cell death in E0771 mammary tumor cells...
March 30, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28359180/influence-of-grapefruit-juice-on-pharmacokinetics-of-triptolide-in-rats
#12
Yuzhen Jia, Jie Liu, Jisen Xu
1. Triptolide, a major pharmacological component isolated from Tripterygium wilfordii Hook F (TWHF), is a substrate of both CYP3A4 and P-glycoprotein (P-gp). 2. This study investigates the effects of GFJ on the pharmacokinetics of triptolide in rats. 3. The pharmacokinetics of orally administered triptolide with or without GFJ pretreatment were investigated. A mechanistic study was also undertaken using the Caco-2 cell transwell model and rat liver microsomes incubation systems to support the in vivo pharmacokinetic data...
March 31, 2017: Xenobiotica; the Fate of Foreign Compounds in Biological Systems
https://www.readbyqxmd.com/read/28356039/the-potential-protective-effects-of-phenolic-compounds-against-low-density-lipoprotein-oxidation
#13
Ryszard Amarowicz, Ronald B Pegg
BACKGROUND: The exact mechanism(s) of atherosclerosis in humans remains elusive, but one theory hypothesizes that this deleterious process results from the oxidative modification of low-density lipoprotein (LDL). Research suggests that foods rich in dietary phenolic compounds with antioxidant activity can mitigate the extent of LDL oxidation in vivo. With regard to the different classes of flavonoids, there appears to be a structure-function relationship between the various moieties/constituents attached to the flavonoids' three ring system and their impact at retarding LDL oxidation...
March 29, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28332451/inhibitory-effect-of-fruit-juices-on-the-doxorubicin-metabolizing-activity-of-carbonyl-reductase-1
#14
Takeshi Miura, Katsutoshi Nagai, Shingo Kaneshiro, Ayako Taketomi, Toshikatsu Nakabayashi, Hiroki Konishi, Toru Nishinaka, Tomoyuki Terada
BACKGROUND AND OBJECTIVE: Doxorubicin, an anthracycline anti-cancer drug, is effective for breast cancer and childhood lymphoma. Chronic cardiotoxicity has been known as a critical adverse effect of doxorubicin and is attributed to its metabolite doxorubicinol produced by carbonyl reductase 1 (CBR1, SDR21C1). Some flavonoids have been reported to act as inhibitors for CBR1, therefore, commercially available juices containing flavonoids are likely to be applicable as a prophylactic treatment against doxorubicin-induced cardiotoxicity by suppression doxorubicinol production...
March 9, 2017: Drug Metabolism Letters
https://www.readbyqxmd.com/read/28322941/small-dosing-clinical-study-pharmacokinetic-pharmacogenomic-slco2b1-and-abcg2-and-interaction-atorvastatin-and-grapefruit-juice-profiles-of-five-probes-for-oatp2b1-and-bcrp
#15
Yushi Kashihara, Ichiro Ieiri, Takashi Yoshikado, Maeda Kazuya, Masato Fukae, Miyuki Kimura, Takeshi Hirota, Shunji Matsuki, Shin Irie, Noritomo Izumi, Hiroyuki Kusuhara, Yuichi Sugiyama
The aims of this study were (1) to investigate the effects of atorvastatin (10 mg, therapeutic dose) and grapefruit juice (GFJ), inhibitors of OATP2B1, on the pharmacokinetics of substrates for OATP2B1 and BCRP under oral small-dosing conditions (300 μg sulfasalazine, 250 μg rosuvastatin, 300 μg glibenclamide, 1200 μg celiprolol, and 600 μg sumatriptan), and (2) to evaluate the contribution of SLCO2B1*3 and ABCG2 c.421C>A polymorphisms to the pharmacokinetics of the five test drugs in 23 healthy volunteers...
March 17, 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28322044/furocoumarin-kinetics-in-plasma-and-urine-of-healthy-adults-following-consumption-of-grapefruit-citrus-paradisi-macf-and-grapefruit-juice
#16
Melissa M Melough, Terrence M Vance, Sang Gil Lee, Anthony A Provatas, Christopher Perkins, Abrar Qureshi, Eunyoung Cho, Ock K Chun
Furocoumarins are a class of organic compounds found in a variety of vegetables and fruits. Relatively little is known about the absorption and excretion of these compounds following ingestion. The objective of this study was to identify furocoumarins in grapefruit and grapefruit juice and observe their kinetics in blood and urine. The furocoumarins detected in grapefruit using UPLC-MS/MS were bergamottin, 6',7'-dihydroxybergamottin (6',7'-DHB), epoxybergamottin, and bergaptol. Bergamottin, 6',7'-DHB, bergaptol, and bergapten were detected in grapefruit juice...
March 29, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28282783/diospyros-lotus-leaf-and-grapefruit-stem-extract-synergistically-ameliorate-atopic-dermatitis-like-skin-lesion-in-mice-by-suppressing-infiltration-of-mast-cells-in-skin-lesions
#17
Byoung Ok Cho, Denis Nchang Che, Hong Hua Yin, Jae Young Shin, Seon Il Jang
Atopic dermatitis, a chronic relapsing and pruritic inflammation of the skin also thought to be involved in, or caused by immune system destruction is an upsetting health problem due to its continuously increasing incidence especially in developed countries. Mast cell infiltration in atopic dermatitis skin lesions and its IgE-mediated activation releases various cytokines and chemokines that have been implicated in the pathogenesis of atopic dermatitis. This study was aimed at investigating synergistic anti-inflammatory, anti-pruritic and anti-atopic dermatitis effects of Diospyros lotus leaf extract (DLE) and Muscat bailey A grapefruit stem extract (GFSE) in atopic dermatitis-like induced skin lesions in mice...
May 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28221852/pesticide-residue-monitoring-on-south-african-fresh-produce-exported-over-a-6-year-period
#18
M T Mutengwe, L Chidamba, L Korsten
Six years of pesticide residue data from fresh produce destined for the export market were analyzed for the period 2009 to 2014. A total of 37,838 fruit (99.27%) and vegetable (0.73%) data sets analyzed for the presence of 73 pesticides were compared. Pesticides were detected on 56.46% of samples, of which 0.78% had multiple residues. Noncompliances detected were because of the use of unregistered pesticides (0.73%), values that exceeded established maximum residue levels (MRLs) (0.32%), or the combination of values that exceeded MRLs and the use of unregistered pesticide residues (0...
October 2016: Journal of Food Protection
https://www.readbyqxmd.com/read/28208243/direct-determination-of-ascorbic-acid-in-a-grapefruit-paving-the-way-for-in-vivo-spectroelectrochemistry
#19
Jesus Garoz-Ruiz, Aranzazu Heras, Alvaro Colina
The study of real samples is more complicated than the study of other systems. However, the inherent advantages of UV-vis absorption spectroelectrochemistry should overcome some difficulties related to direct measurements in complex matrices. For this reason, a singular spectroelectrochemistry device has been fabricated and validated. The novel cell is based on single-walled carbon nanotubes, which are filtered and subsequently press-transferred on a polyethylene terephthalate support using a stencil with a custom design...
February 7, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28208159/two-previously-unknown-phytophthora-species-associated-with-brown-rot-of-pomelo-citrus-grandis-fruits-in-vietnam
#20
Ivana Puglisi, Alessandro De Patrizio, Leonardo Schena, Thomas Jung, Maria Evoli, Antonella Pane, Nguyen Van Hoa, Mai Van Tri, Sandra Wright, Mauritz Ramstedt, Christer Olsson, Roberto Faedda, Gaetano Magnano di San Lio, Santa Olga Cacciola
Two distinct Phytophthora taxa were found to be associated with brown rot of pomelo (Citrus grandis), a new disease of this ancestral Citrus species, in the Vinh Long province, Mekong River Delta area, southern Vietnam. On the basis of morphological characters and using the ITS1-5.8S-ITS2 region of the rDNA and the cytochrome oxidase subunit 1 (COI) as barcode genes, one of the two taxa was provisionally named as Phytophthora sp. prodigiosa, being closely related to but distinct from P. insolita, a species in Phytophthora Clade 9, while the other one, was closely related to but distinct from the Clade 2 species P...
2017: PloS One
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