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Journal of the American College of Nutrition

Laura J Lutz, Anna T Nakayama, J Philip Karl, James P McClung, Erin Gaffney-Stomberg
OBJECTIVE: Food frequency questionnaires (FFQs) estimate habitual dietary intake and require evaluation in populations of interest in order to determine accuracy. Thus, the purpose of this study was to determine agreement between circulating biomarkers and FFQ estimated dietary intake in a military population consuming all meals in a dining facility over 12 weeks. METHODS: 2014 Block FFQs were administered and fasted blood samples were drawn to assess nutritional biomarkers at the end of a 12-week training period in male (n = 141) and female (n = 125) Marine recruits undergoing initial military training...
November 6, 2018: Journal of the American College of Nutrition
Fernando Naclerio, Eneko Larumbe-Zabala, Marcos Seijo, Nadia Ashrafi, Birthe V Nielsen, Conrad P Earnest
OBJECTIVE: This study examines the long-term effects of ingesting hydrolyzed beef protein versus carbohydrate on indirect markers of immunity during 10 weeks of endurance training in master-aged triathletes (n = 16, age 35-60 years). METHODS: Participants were randomly assigned to either a hydrolyzed beef protein (PRO, n = 8) or nonprotein isoenergetic carbohydrate (CHO, n = 8) condition, which consisted of ingesting 20 g of each supplement, mixed with water, once a day immediately post workout, or before breakfast on nontraining days...
November 6, 2018: Journal of the American College of Nutrition
Lesley N Lilly, Cynthia J Heiss, Sofia F Maragoudakis, Kelli L Braden, Scott E Smith
OBJECTIVE: The purpose of this pilot study was to determine whether supplementation of a high-glycemic index breakfast meal with peanut butter attenuates the glycemic response. METHODS: Sixteen healthy adults, aged 24.1 ± 3.5 years, reported in the morning to a nutrition assessment laboratory for two days of data collection, having fasted 8 to 12 hours. On day 1 (control), fasting blood glucose (BG) was measured using glucometers, then participants consumed two slices of white bread and 250 mL apple juice (60 g carbohydrate) within 15 minutes...
November 5, 2018: Journal of the American College of Nutrition
Taylor C Wallace
Coconut oil is a mainstream edible oil that is extracted from the kernel of mature coconuts harvested from the coconut palm. The two main types of coconut oil-copra oil and virgin coconut oil-have similar fatty acid profiles; however the latter contains higher amounts of some nutrients (e.g., vitamin E) and dietary bioactive compounds (e.g., polyphenols). There is increasing popularity for coconut oil products due to perceived health effects of certain medium-chain fatty acids; however, lauric acid (C12:0), the primary fatty acid found in coconut oil, has been suggested to behave as both a medium- and long-chain fatty acid from a metabolic standpoint...
November 5, 2018: Journal of the American College of Nutrition
Malgorzata Tomaszewska, Elzbieta Sarnowska, Natalia Rusetska, Katarzyna Kowalik, Janusz Sierdzinski, Janusz A Siedlecki, Vladimir Badmaev, Sidney J Stohs, Mariola Popko
OBJECTIVES: Chronic rhinosinusitis (CRS) is a disease that represents a challenging therapeutic problem. Vitamin D and its receptors (VDR) are involved in the regulation of the immune system and may play role in CRS. Objectives of this study were to assess the relationships between the total concentration of vitamin D (25VD3) in sera, vitamin D receptor (VDR) expression, 1α-hydroxylase expression, and clinical data, including age, gender, Sino-Nasal Outcome Test (SNOT-22), computerized tomography (CT) scan, allergy status, and vitamin D supplementation in CRS patients with (CRSwNP) and without nasal polyps (CRSsNP), and in a control group...
November 2, 2018: Journal of the American College of Nutrition
Saeed Ghobadi, Zahra Hassanzadeh-Rostami, Fatemeh Mohammadian, Morteza Zare, Shiva Faghih
Hyperlipidemia is a well- known risk factor of cardiovascular disease. A healthy diet containing vegetable oils such as canola oil (CO) may help to reduce serum lipids. This study aimed to quantify the effects of CO on lipid parameters using a systematic review and meta-analysis of randomized controlled trials. PubMed, Web of Science, Scopus, ProQuest, and Embase were systematically searched until December 2017, with no time and design restrictions. Also, a manual search was performed to find extra relevant articles...
October 31, 2018: Journal of the American College of Nutrition
Junaida Astina, Suwimol Sapwarobol
Resistant maltodextrin is a non-viscous dietary fiber that is fermentable in the colon by colonic bacteria. The objective of this review is to summarize the studies of resistant maltodextrin and its effect on metabolic profile, such as blood glucose, lipid profile, and body weight. Several studies support the idea that resistant maltodextrin may improve blood glucose, insulin sensitivity, lipid profile, and obesity. However, the use of resistant maltodextrin should be limited to minimize the adverse effect on the gastrointestinal system...
October 23, 2018: Journal of the American College of Nutrition
Noriko Sugasawa, Ayako Katagi, Hirotsugu Kurobe, Taisuke Nakayama, Chika Nishio, Hiroko Takumi, Fumiharu Higashiguchi, Ken-Ichi Aihara, Michio Shimabukuro, Masataka Sata, Tetsuya Kitagawa
OBJECTIVE: Hesperidin, an abundant flavonoid in citrus fruit, and its aglycone, hesperetin, have been reported to possess various physiological activities, including antioxidant, anti-inflammatory, hypolipidemic, and antihypertensive activities. In this study, we investigated whether α-glucosyl hesperidin and water-dispersible hesperetin have protective effects on atherosclerotic progression in apolipoprotein E knockout (Apo-E KO) mice. METHODS: Ten-week-old male Apo-E KO mice were randomly assigned a regular high-fat diet, a high-fat diet with 0...
October 15, 2018: Journal of the American College of Nutrition
Khadijeh Abbasi, Sara Beigrezai, Reza Ghiasvand, Makan Pourmasoumi, Behzad Mahaki
OBJECTIVE: Associations between nutritional/dietary factors and mental disorders have been suggested. This study was conducted to assess the relation of major dietary patterns determined by factor analysis with attention-deficit/hyperactivity disorder (ADHD) in a group of Iranian preschool- and school-aged children. METHODS: This case-control study was conducted with 500 preschool- and school-aged children (4-12 years old) matched by age and sex, in Isfahan, Iran...
October 11, 2018: Journal of the American College of Nutrition
Ghazaleh Mohammadi, Leila Dargahi, Amir Peymani, Yazdan Mirzanejad, Safar Ali Alizadeh, Taghi Naserpour, Marjan Nassiri-Asl
OBJECTIVE: The role of gut microbiota in the pathogenesis of several neurodegenerative disorders, including Alzheimer's disease (AD), via the gut-brain axis has recently been demonstrated; hence, modification of the intestinal microbiota composition by probiotic biotherapy could be a therapeutic target for these conditions. The aim of this study was to assess the effects of a probiotic formulation (Lactobacillus helveticus R0052 and Bifidobacterium longum R0175) on inflammatory and memory processes in lipopolysaccharide (LPS)-induced rats, one of the animal models used in peripherally induced neuroinflammation and neurodegeneration...
October 11, 2018: Journal of the American College of Nutrition
Angelos K Sikalidis
Human nutrition has progressed impressively from the hunter-gatherer mode to that of promising personalized nutrition for health optimization through advanced and sophisticated omics technologies. The contemporary major diseases, while having strong genetic components, do not conform to Mendelian genetics; hence, their expression/manifestation is not controlled by a single gene. Noncommunicable diseases such as obesity, cancer, type 2 diabetes mellitus, and cardiovascular disease are attributed to a series of chronic anomalies closely related to dietary, among other, environmental factors, and consistent deregulation of one or more groups of genes (polygenic)...
October 3, 2018: Journal of the American College of Nutrition
Melanie M Mott, Megan A McCrory, Linda G Bandini, Howard J Cabral, Stephen R Daniels, Martha R Singer, Lynn L Moore
OBJECTIVE: Longitudinal data on cardiometabolic effects of egg intake during adolescence are lacking. The current analyses aim to evaluate the impact of usual adolescent egg consumption on lipid levels, fasting glucose, and insulin resistance during late adolescence (age 17-20 years). METHODS: Data from 1392 girls, aged 9 to 10 at baseline and followed for 10 years, in the National Heart, Lung, and Blood Institute's National Growth and Health Study were used to examine the association between usual egg intake alone and in combination with other healthy lifestyle factors and late adolescent lipid levels, fasting glucose, and insulin resistance, measured as homeostasis model assessment of insulin resistance (HOMA-IR)...
October 3, 2018: Journal of the American College of Nutrition
Ran Wang, David H Fukuda, Jay R Hoffman, Michael B La Monica, Tristan M Starling, Jeffrey R Stout, Jie Kang, Yang Hu
OBJECTIVE: The present study evaluated the effects of repeated-sprint training in normobaric hypoxia and β-alanine supplementation (BA) on aerobic and anaerobic performance in recreationally active men. METHODS: Participants were randomly assigned to one of the following groups: normoxia/β-alanine (NB, n = 11), normoxia/placebo (NP, n = 8), normobaric hypoxia/β-alanine (HB, n = 10) and normobaric hypoxia/placebo (HP, n = 9). All participants completed 8 training sessions over 4 weeks on a cycle ergometer either in normobaric hypoxia (oxygen fraction: FiO2  = 14...
October 2, 2018: Journal of the American College of Nutrition
Dean Kaličanin, Luka Brčić, Ana Barić, Sanja Zlodre, Maja Barbalić, Vesela Torlak Lovrić, Ante Punda, Vesna Boraska Perica
OBJECTIVE: We have comprehensively evaluated an immunologic response to food antigens, mediated by immunoglobulin G (IgG) antibodies, on clinical aspects of Hashimoto's thyroiditis (HT). METHODS: IgG antibodies to 125 food antigens were measured in serum samples of 74 HT patients and 245 controls using microarray-based enzyme-linked immunosorbent assay (ELISA) test. We analyzed differences in IgG levels between two groups and evaluated correlations between food-specific IgG levels and HT-related clinical phenotypes (thyroid hormones/antibodies, symptoms of hypothyroidism, measures of body size and blood pressure) and food consumption in HT patients...
September 28, 2018: Journal of the American College of Nutrition
Farhan Aslam, Sanaullah Iqbal, Muhammad Nasir, Aftab Ahmad Anjum
OBJECTIVES: The study was designed to investigate the impact of white sesame seed oil (WSSO) consumption on fasting blood glucose (GLU), insulin (INS), glycosylated hemoglobin (HbA1c), and hepatic antioxidant enzymes. A secondary aim was to check the influence on serum biochemistry, hepatic, cardiac, and renal functions. METHODS: Forty-six participants with type 2 diabetes were recruited and randomly divided into two equal groups: diabetic control (DCON) and diabetic sesame oil (DSO)...
September 27, 2018: Journal of the American College of Nutrition
Eisuke Ochi, Kenichi Yanagimoto, Takuma Morishima, Yosuke Tsuchiya
OBJECTIVE: The aim of this study was to test the hypothesis that 8-week eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) supplementation improves peripheral muscle performance by concentric contractions (CONs) of elbow flexors in humans. METHODS: Sixteen healthy men were randomly administered with EPA and DHA supplement (EPA, n = 8) or placebo (PL, n = 8) by a double-blind method. The EPA group was administered EPA-rich fish oil, containing 600 mg EPA and 260 mg DHA per day for 8 weeks...
September 27, 2018: Journal of the American College of Nutrition
María B Puchulu, Natalia Ogonowski, Fabiola Sanchez-Meza, María L A Espinosa-Cuevas, Paola Miranda-Alatriste
OBJECTIVE: Hyperphosphatemia is a major contributor to poor outcomes among cases of chronic kidney disease. Considering that foods with high protein content are major sources of phosphorus, a more suitable dietary phosphorus measure is the phosphorus to protein ratio. However, Mexican phosphorus to protein ratio tables do not exist. This article aims to estimate the phosphorus to protein ratio in foods commonly used by the Mexican population and to establish its usefulness in the selection of foods for patients with chronic kidney disease...
September 26, 2018: Journal of the American College of Nutrition
Amir Abbasnezhad, Reza Amani, Amin Hasanvand, Esmaeil Yousefi Rad, Meysam Alipour, Somayeh Saboori, Razieh Choghakhori
OBJECTIVE: A high prevalence of vitamin D deficiency (VDD) in gastrointestinal (GI) disorders and the role of vitamin D in the function of the gut have been shown previously. Therefore, we aimed to evaluated the VDD and the possible association of the GI symptoms severity and quality of life (QoL) score with the serum levels of vitamin D in irritable bowel syndrome (IBS). METHODS: A total of 90 patients with IBS based on Rome III criteria enrolled in the study from the tertiary referral university hospital...
September 25, 2018: Journal of the American College of Nutrition
Fereshteh Aliasghari, Azimeh Izadi, Mohammad Khalili, Mehdi Farhoudi, Shahram Ahmadiyan, Reza Deljavan
OBJECTIVE: The present study was performed to assess nutritional status and its relationship with clinical outcomes in elderly stroke patients. METHOD: In this cross-sectional study, 253 stroke patients were studied. Mini Nutritional Assessment (MNA) was used to assign patients to three groups: malnourished, at risk of malnutrition, and well nourished. Northwestern Dysphagia Patient Check Sheet was administered to all patients. Anthropometric measures, including body mass index (BMI), calf circumferences (CC), mid-arm circumferences (MAC), and triceps skinfold thickness were brought out...
September 25, 2018: Journal of the American College of Nutrition
Susan Mirmajidi, Azimeh Izadi, Maryam Saghafi-Asl, Farhad Vahid, Nahid Karamzad, Parichehr Amiri, Nitin Shivappa, James R Hébert
OBJECTIVE: Low-grade inflammation is a characteristic of various conditions, including obesity. Diet is regarded as a strong modifier of inflammation. The potential links between inflammatory properties of diet and adipokines as well as insulin resistance (IR) warrant further investigation. Therefore, this study aimed to examine the associations of the dietary inflammatory index (DII) with serum chemerin, omentin, and lipopolysaccharide-binding protein (LBP) as well as IR among apparently healthy obese adults...
September 25, 2018: Journal of the American College of Nutrition
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