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Journal of the American College of Nutrition

Mohammad Hossein Rouhani, Nafiseh Rashidi-Pourfard, Amin Salehi-Abargouei, Majid Karimi, Fahimeh Haghighatdoost
BACKGROUND: It is widely agreed that egg consumption only modestly influences serum lipid concentrations. However, there is no meta-analysis summarizing existing randomized controlled trials. OBJECTIVE: The purpose of this study was to conduct a meta-analysis of published randomized controlled trials to explore the quantitative effect of egg consumption on serum lipid concentrations. DESIGN: Online databases including MEDLINE, Proquest and Google Scholar were systematically searched...
November 7, 2017: Journal of the American College of Nutrition
Roseli Borges Donegá Toffano, Elaine Hillesheim, Ana Vitoria Barban Margutti, José Simon Camelo Junior, Ivan Savioli Ferraz, Luiz Antonio Del Ciampo, Jacqueline Pontes Monteiro
OBJECTIVE: Bioelectrical impedance vectorial analysis (BIVA) can be considered a favorable method for evaluation and monitoring of nutritional and hydration status without assumptions regarding body composition or requirement of prediction formulas. The present study aimed to determine bivariate tolerance intervals of the whole-body impedance vector for healthy term infants aged 1 to 3 months. METHODS: This is a descriptive cross-sectional study. Anthropometric and bioelectrical impedance data (800 mA-50 kHz) were obtained...
November 7, 2017: Journal of the American College of Nutrition
Tahereh Gholnari, Esmat Aghadavod, Alireza Soleimani, Gholam Ali Hamidi, Nasrin Sharifi, Zatollah Asemi
OBJECTIVE: Data on the effects of coenzyme Q10 (CoQ10) supplementation on glucose metabolism, lipid profiles, inflammation, and oxidative stress in subjects with diabetic nephropathy (DN) are scarce. This research was done to determine the effects of CoQ10 supplementation on metabolic status in subjects with DN. METHODS: This randomized double-blind placebo-controlled clinical trial was done in 50 subjects with DN. Participants were randomly assigned into two groups to intake either 100 mg/day CoQ10 supplements (n = 25) or placebo (n = 25) for 12 weeks...
November 7, 2017: Journal of the American College of Nutrition
Kevin C Maki, Kristin M Nieman, Arianne L Schild, Kerrie L Kaspar, Christina Khoo
OBJECTIVE: The objective of this study was to assess relationships between clinical predictors of urinary tract infection (UTI) and effects of cranberry juice consumption on recurrence in a post hoc analysis of a 24-week, randomized, double-blind, placebo-controlled, multicenter clinical trial in women with a recent history of UTI. METHODS: Participants consumed a cranberry (n = 185) or placebo (n = 188) beverage (240 mL) daily. Odds ratios (OR) from 20 candidate predictor variables were evaluated in univariate analyses to assess clinical UTI incidence relationships in the placebo group...
November 7, 2017: Journal of the American College of Nutrition
Shawn M Arent, Alan J Walker, Joseph K Pellegrino, David J Sanders, Bridget A McFadden, Tim N Ziegenfuss, Hector L Lopez
BACKGROUND: Very few weight and fat loss supplements undergo finished-product research to examine efficacy. The purpose of this study was to determine the effects of an 8-week diet and exercise program on body composition, hip and waist girth, and adipokines and evaluate whether a dietary supplement containing raspberry ketone, capsaicin, caffeine, garlic, and Citrus aurantium enhanced outcomes. METHODS: Overweight men and women completed this randomized, placebo-controlled, double-blind study...
November 7, 2017: Journal of the American College of Nutrition
Barbara Klánová, Filip Zlámal, Aneta Pohořalá, Ondřej Slabý, Hynek Pikhart, Julie Bienertová-Vašků
OBJECTIVES: Glutathione S-transferases (GSTs) are detoxifying enzymes for a number of substrates, including some food compounds. Selected GST polymorphisms have been proven to significantly affect enzymatic activity; however, it is unclear whether this altered metabolism influences dietary composition. The objective of this study was to locate the correlation between GST polymorphisms and selected nutritional parameters, namely, fiber and vitamin C intake. METHODS: This study was conducted on a cohort of 472 individuals (mean age 45...
October 31, 2017: Journal of the American College of Nutrition
Tuğba Tatar, Yasemin Akdevelioğlu
Pollen, pit powder, and gemmule extract of the date palm are rich in flavonoids. Antioxidant characteristics of the flavonoids have a significant effect on prevention and treatment of infertility. The aim of the present study was to review studies investigating the effects of pollen, pit powder, and gemmule extract of the date palm on male infertility. Articles that were published about the topic between 2005 and 2016 were reviewed from different databases in Turkish and English. The search engines used included PubMed, Science Direct, Clinical Key, Google Scholar, Springer, Dergipark, Ulakbim, and Akademik Dizin...
October 31, 2017: Journal of the American College of Nutrition
Kamonkiat Wirunsawanya, Sikarin Upala, Veeravich Jaruvongvanich, Anawin Sanguankeo
BACKGROUND: Previous literature shows possible benefits of whey protein supplementation in promoting weight loss. However, most studies do not have enough power to show beneficial effects on body composition and cardiovascular disease (CVD) risk factors. This meta-analysis evaluated effects of whey protein in individuals who are overweight and obese. METHODS: We comprehensively searched the databases of MEDLINE, Embase, and Cochrane databases. The inclusion criteria were published randomized control trials (RCTs) comparing whey protein supplementation to placebo or controls in individuals who are overweight or obese...
October 31, 2017: Journal of the American College of Nutrition
Priscila R F Costa, Sanjay Kinra, Vânia D'Almeida, Ana Marlúcia O Assis
OBJECTIVE: This article aimed to identify the influence of high serum homocysteine (Hcy) and cysteine (Cys) levels, alone or in conjunction, on changes in anthropometric parameters in children and adolescents over a 12-month follow-up period. METHODS: This is a cohort study involving 483 boys and girls 7-15 years of age. The outcome variables were body mass index (BMI)-for-age and waist circumference (WC) and the principal exposure variables were serum Hcy and Cys levels, alone or in conjunction...
October 31, 2017: Journal of the American College of Nutrition
Sabrina Cruz, Suelem Pereira da Cruz, Andréa Ramalho
BACKGROUND: The aim of this review was to evaluate the impact of vitamin A supplementation on adult pregnant women and women who have just given birth in studies examining serum concentrations of vitamin A in breast milk and in maternal/child morbidity and mortality. METHODS: This review followed the recommendations in the Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA). In November 2014, an electronic search was independently performed by two authors on the Medline, Scopus, Web of Science, and LILACS databases on studies published from January 2004 to November 2014...
October 31, 2017: Journal of the American College of Nutrition
Federica Di Berardino, Diego Zanetti
OBJECTIVE: Since 1930, dietary modification has been proposed as adjunct treatment in Ménière's disease (MD) with different and controversial results. We report the case of a 42-year-old female suffering from definite MD and intermittent seasonal allergic rhino-conjunctivitis because it highlights the importance of evaluating the different combinations of defined causative elements in an atopic patient with MD. METHODS: An immunological and audiological evaluation was performed, including pure-tone, speech, and immittance audiometry; glycerol dehydration test; bithermal caloric testing; video head impulse test; cervical vestibular evoked myogenic potentials; static posturography; and Dizziness Handicap Inventory questionnaire...
October 31, 2017: Journal of the American College of Nutrition
Lori M Beccarelli, Rachel Erin Scherr, John W Newman, Alison G Borkowska, Ira J Gray, Jessica D Linnell, Carl L Keen, Heather M Young
OBJECTIVES: Fatty acid profiles and desaturase (SCD-16, SCD018, D5D, D6D) and elongase (ELOVL6) enzyme activity have been associated with adiposity and metabolic disease. While this has been studied in adults, few studies have included children. The objective of this study was to evaluate these markers in children and identify relationships with markers of metabolic health. It was hypothesized that these lipid markers would be correlated to adiposity and metabolic disease. METHODS: This study was a cross-sectional analysis of fourth- and fifth-grade children (n = 86, aged 9-12) participating in a comprehensive nutrition program...
October 18, 2017: Journal of the American College of Nutrition
Sidney J Stohs, Jin Ji, Luke R Bucci, Harry G Preuss
OBJECTIVE: Curcumin exhibits many beneficial health-promoting characteristics. However, its poor oral absorption precludes its general use. This study assessed the bioavailability of a novel curcumin formulation compared to 95% curcumin and published results for various other curcumin formulations. METHODS: A randomized, crossover, double-blind, comparator-controlled pharmacokinetic study was performed in 12 healthy adult subjects to determine the appearance of free curcumin and its metabolites curcumin sulfate and curcumin glucuronide in plasma after a single dose of a novel proprietary curcumin liquid droplet micromicellar formulation (CLDM) and unformulated 95% curcumin powder in capsule form...
October 18, 2017: Journal of the American College of Nutrition
Piotr Bialasiewicz, Anna Prymont-Przyminska, Anna Zwolinska, Agata Sarniak, Anna Wlodarczyk, Maciej Krol, Jaroslaw Markowski, Krzysztof P Rutkowski, Dariusz Nowak
OBJECTIVE: Berry fruits rich in anthocyanins have antioxidant and anti-inflammatory properties. Blood phagocytes are an important source of oxidants that contribute to inflammatory response and oxidative stress. We examined the effect of sour cherry consumption on luminol-enhanced whole blood chemiluminescence (LBCL) reflecting oxidants generation by circulating phagocytes in healthy subjects. METHODS: Thirty-four and 29 healthy subjects (on a regular diet) consumed 500 g of sour cherries containing 346...
October 6, 2017: Journal of the American College of Nutrition
Gehan Ghoneem, Magdy Ismail, Naeem El-Boraey, Mohamed Tabekha, Hoda Elashrey
OBJECTIVE: Soy milk is enriched with nutritive elements such as proteins, unsaturated fatty acids, lecithins, isoflavones, mineral substances, free amino acids, and polypeptides. The aim of this study was to increase the health and nutritional values of bioyogurt by using ABT-5 culture and mixing soy milk with buffalo and cow's milk. METHODS: Five treatments of yogurt were made from soy, buffalo, and cow's milk and from 75% buffalo + 25% soy milk mixture and 75% cow + 25% soy milk mixture using ABT-5 culture...
October 6, 2017: Journal of the American College of Nutrition
Matthew A Tucker, Cory L Butts, Alf Z Satterfield, Ashley Six, Evan C Johnson, Matthew S Ganio
BACKGROUND: Urine specific gravity (USG) is often used to assess hydration status, particularly around athletic competition, but it is unknown whether high USG is indicative of plasma volume (PV) reduction (i.e., hypohydration). We tested the hypothesis that if high USG is reflective of reduced PV, subsequent fluid ingestion would increase PV. PURPOSE: The purpose of this study was to examine 24-hour changes in USG and PV in individuals presenting with high and low spot USG...
October 6, 2017: Journal of the American College of Nutrition
Jean-Philippe Bonjour, Flore Dontot-Payen, Emilien Rouy, Stephane Walrand, Brigitte Rousseau
BACKGROUND: Adequate vitamin D status contributes to bone fragility risk reduction and possibly other pathological conditions that occur with aging. In response to pharmaceutical vitamin D3 supplements, several studies have documented the influence of doses, baseline status, and seasonality on serum 25-hydroyvitamin D (s25OHD). OBJECTIVE: Using fortified yogurt, we investigated in one randomized controlled trial how both baseline status, as assessed by measuring s25OHD prior the onset of the trial, and the season of enrollment quantitatively influenced the response to the supplemented (Suppl...
October 4, 2017: Journal of the American College of Nutrition
Harry G Preuss, Dallas Clouatre, Anand Swaroop, Manashi Bagchi, Debasis Bagchi, Gilbert R Kaats
A popular concept is that the significant global progression in prevalence and intensification of elevated blood pressure (BP) levels is due in part to dietary indiscretions. Excess intake of several food sources causing overweight/obesity plays an important role in BP perturbations. However, certain nutrients are involved in ways other than via body fat accumulation, particularly table salt (sodium chloride) and popular refined carbohydrates like dietary sugars (sucrose, fructose, high fructose corn syrup)...
September 29, 2017: Journal of the American College of Nutrition
Parisa Shokryazdan, Mohammad Faseleh Jahromi, Juan Boo Liang, Yin Wan Ho
Probiotics have become highly recognized as supplements for humans and animals because of their beneficial effects on health and well-being. The present review aims to provide an overview of different steps through which microbial strains become applicable probiotics in food and/or feed industries. Isolation of potential probiotic strains is the first step. Lactic acid bacteria are the most frequently used microorganisms as probiotics, which can be isolated from human, animal, plant, and environment. The next steps are identification of the isolates and characterization of them based on the main selection criteria for any potential probiotic microorganism, including resistance to gastric acidity and bile salt, adherence to mucus and/or intestinal epithelial cells and cell lines, and antimicrobial and antagonism activity against potentially pathogenic microbes...
September 22, 2017: Journal of the American College of Nutrition
Omid Reza Tamtaji, Ebrahim Kouchaki, Mahmoud Salami, Esmat Aghadavod, Elmira Akbari, Maryam Tajabadi-Ebrahimi, Zatollah Asemi
BACKGROUND: Limited data are available assessing the effects of probiotic supplementation on gene expression related to inflammation, insulin, and lipids in patients with multiple sclerosis (MS). OBJECTIVES: The current study was conducted to assess the effects of probiotic supplementation on gene expression related to inflammation, insulin, and lipids in patients with MS. METHODS: This randomized, double-blind, placebo-controlled clinical trial was performed among 40 patients with MS...
September 18, 2017: Journal of the American College of Nutrition
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