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Journal of the American College of Nutrition

Maedeh Moradi, Mohammad R Maracy, Ahmad Esmaillzadeh, Pamela J Surkan, Leila Azadbakht
OBJECTIVES: Despite the overwhelming impact of dietary energy density on the quality of the entire diet, no research has investigated dietary energy density among lactating mothers. Hence, the present study was undertaken to assess the influence of maternal dietary energy density during lactation on infant growth. METHOD: Three hundred healthy lactating mother-infant pairs were enrolled in the study. Detailed demographic information and dietary intake data were collected from the lactating mothers...
May 31, 2018: Journal of the American College of Nutrition
Mohammad Ali Javanmardi, Majid Mohammad Shahi, Seyed Saeed Seyedian, Mohammad Hossein Haghighizadeh
OBJECTIVE: Considering the high prevalence of nonalcoholic fatty liver disease and based on the evidence about the role of dietary cholesterol in liver inflammation, and also with regard to the effect of phytosterols on the metabolism of cholesterol, we aimed at exploring the therapeutic potential of phytosterol supplementation against nonalcoholic fatty liver disease. METHOD: Thirty-eight patients with nonalcoholic fatty liver disease were randomly divided into two groups: The phytosterol group (n = 19) received a 1...
May 16, 2018: Journal of the American College of Nutrition
Bruno S Lemos, Isabel Medina-Vera, Olga V Malysheva, Marie A Caudill, Maria Luz Fernandez
BACKGROUND: Plasma trimethylamine-N-oxide (TMAO) concentrations have been associated with cardiovascular disease risk. Eggs are a rich source of choline, which is a precursor of TMAO. OBJECTIVE: The effects of egg intake versus daily choline supplementation were evaluated on plasma choline and TMAO in a young, healthy population. METHODS: Thirty participants (14 males, 16 females; 25.6 ± 2.3 years; body mass index = 24.3 ± 2.9 kg/m2 ) were enrolled in this 13-week crossover intervention...
May 15, 2018: Journal of the American College of Nutrition
Monica Nour, Zilvia G Y Cheng, Jessica Lucy Farrow, Margaret Allman-Farinelli
OBJECTIVE: Digital platforms offer innovative opportunities for nutrition education to motivate young adults to improve eating behaviors and practices. This study aimed to pilot test short educational cooking videos for dissemination through a smartphone designed to address barriers to home cooking and vegetable consumption among young adults. METHOD: Instructional videos (1-3 min) were produced and acceptability and perceived effectiveness for reducing barriers was investigated...
May 14, 2018: Journal of the American College of Nutrition
Yi Zhang, Dian-Zhong Zhang
OBJECTIVE: This research sought to summarize the evidence regarding the relationship between serum zinc level and metabolic syndrome (MetS). METHODS: The electronic databases of PubMed, Web of Science, and Embase were searched up to October 2017 for observational studies on the association between serum zinc level and MetS. The standard mean difference (SMD) and its corresponding 95% confidence interval (CI) of the serum zinc level for MetS versus control participants were calculated...
May 10, 2018: Journal of the American College of Nutrition
Nilüfer Acar-Tek, Duygu Aǧagündüz, Büşra Ayhan
OBJECTIVE: This study was conducted to determine the effects of green coffee consumption on resting energy expenditures (REEs), blood pressure, and body temperature of individuals. METHOD: The study was conducted with 24 women. The REE values of the individuals were measured with the COSMED Fitmate PRO. After the first REE measurements, individuals were given 1 cup of green coffee that was prepared to contain 6 mg caffeine per kg of lean body mass. After coffee consumption, REE measurements were made at 30, 60, 120, and 180 minutes...
May 3, 2018: Journal of the American College of Nutrition
Farideh Shishehbor, Mahnaz Rezaeyan Safar, Elham Rajaei, Mohammad Hosein Haghighizadeh
OBJECTIVE: This study evaluated the effect of cinnamon on disease activity, serum levels of some inflammatory markers, and cardiovascular risk factors in women with rheumatoid arthritis (RA). METHODS: In this randomized double-blind clinical trial, 36 women with RA were randomly divided to 2 groups, receiving 4 capsules of either 500 mg cinnamon powder or placebo daily for 8 weeks. Fasting blood sugar (FBS), lipid profile, liver enzymes, serum levels of C-reactive protein (CRP), tumor necrosis factor-α (TNF-α), erythrocyte sedimentation rate (ESR), blood pressure, and clinical symptoms were determined at baseline and end of the week 8...
May 3, 2018: Journal of the American College of Nutrition
Yousef A Al-Dashti, Roberta R Holt, Charles L Stebbins, Carl L Keen, Robert M Hackman
An individual's diet affects numerous physiological functions and can play an important role in reducing the risk of cardiovascular disease. Epidemiological and clinical studies suggest that dietary flavanols can be an important modulator of vascular risk. Diets and plant extracts rich in flavanols have been reported to lower blood pressure, especially in prehypertensive and hypertensive individuals. Flavanols may act in part through signaling pathways that affect vascular function, nitric oxide availability, and the release of endothelial-derived relaxing and constricting factors...
May 2, 2018: Journal of the American College of Nutrition
Hadis Mozaffari, Elnaz Daneshzad, Pamela J Surkan, Leila Azadbakht
OBJECTIVE: Measurement of dietary total antioxidant capacity (DTAC) is considered a new holistic dietary approach and assesses total antioxidants present in the overall diet. Our aim was to perform a comprehensive review of the literature on the association between DTAC and cardiovascular disease (CVD) risk factors. METHODS: PubMed, Web of Science, and Scopus were used to conduct a comprehensive search for articles published on this topic through September 2017...
May 1, 2018: Journal of the American College of Nutrition
Paul Hwang, Darryn S Willoughby
There is clear evidence that endurance exercise training elicits intramuscular adaptations that can lead to elevations in mitochondrial biogenesis, oxidative capacity, mitochondrial density, and mitochondrial function. Mitochondrial biogenesis is regulated by the activation of the transcriptional coactivator peroxisome proliferator-activated receptor gamma coactivator 1-alpha. This master regulator of mitochondrial biogenesis activates nuclear respiratory factors (NRF-1, NRF-2) and mitochondrial transcription factor A, which enables the expansion of mitochondrial size and transcription of mitochondrial DNA...
May 1, 2018: Journal of the American College of Nutrition
Cristina Palacios, Maribel Campos, Cheryl Gibby, Marytere Meléndez, Jae Eun Lee, Jinan Banna
OBJECTIVE: To test the effects of weekly SMS for improving infant feeding practices and infant weight. METHODS: This was a multi-site randomized clinical trial in a convenience sample of 202 caregivers of healthy term infants 0-2 months participating in the WIC program in Puerto Rico and Hawaii. Participants were randomized to receive SMS about infant's general health issues (control) or SMS for improving feeding practices (intervention) for four months. Weight, length and infant feeding practices were assessed at baseline and four months later...
April 30, 2018: Journal of the American College of Nutrition
Marina Ramalho Ribeiro, Raquel Patrícia Ataíde Lima, Jéssica Vanessa de Carvalho Lisboa, Thamires Ribeiro Chaves, Rafaella Cristhine Pordeus Luna, Rayner Anderson Ferreira do Nascimento, Yohanna de Oliveira, Darlene Camati Persuhn, Alexandre Sérgio da Silva, Maria da Conceição Rodrigues Gonçalves, Flávia Emília Leite de Lima Ferreira, Roberto Teixeira Lima, Alcides da Silva Diniz, Alessio Tony Cavalcanti de Almeida, Ronei Marcos de Moraes, Eliseu Verly Junior, Maria José de Carvalho Costa
The C677T polymorphism of the methylenetetrahydrofolate reductase gene (MTHFR) is related to folate metabolism and can alter the levels of biochemical markers. OBJECTIVE: Investigate the influence of the MTHFR C677T polymorphism on the effects of a dietary folate intervention on oxidative stress in women with overweight or obesity. METHODS: Forty-eight adult women with overweight or obesity were subjected to a 24-hour dietary recall, anthropometric measurements, biochemical analysis, and genotyping of the MTHFR C677T polymorphism...
April 27, 2018: Journal of the American College of Nutrition
Somaye Fatahi, Elnaz Daneshzad, Hamed Kord-Varkaneh, Nick Bellissimo, Neil R Brett, Leila Azadbakht
OBJECTIVE: Previous interventions have reported desirable effects of diets rich in whole grains or rich in fruits and vegetables on cardiovascular disease (CVD) risk factors and weight management. However, data are lacking regarding the effect of these fiber sources separately. The aim of this randomized clinical feeding trial was to investigate the effects of fiber-rich diets with different sources of fiber (fruits, vegetables, and whole grains) on weight loss and CVD risk factors in overweight and obese women...
April 27, 2018: Journal of the American College of Nutrition
Qing Guo, Julia Totosy de Zepetnek, Jennifer Chang, Julia Hayden, Stephen J Crozier, Gagan Mongia, Dérick Rousseau, Nick Bellissimo
OBJECTIVE: Dietary pattern changes, as a part of a healthy lifestyle, may improve weight management. The objective of this study was to examine the effect of midmorning puree snacks varying in macronutrient composition and energy content on subjective appetite, food intake, and glycemic and insulin responses in healthy adults. METHOD: In a randomized, repeated measures crossover design, 6 treatments (snack skipping and purees: control [186 kcal], maltodextrin [272 kcal], whey protein [201 kcal], oat [276 kcal], and coconut oil [276 kcal]) were administered to 23 normal weight adults (n = 14 males, n = 9 females)...
April 27, 2018: Journal of the American College of Nutrition
Katie R Hirsch, Andrew J Tweedell, Craig R Kleinberg, Gena R Gerstner, T J Barnette, Jacob A Mota, Abbie E Smith-Ryan, Eric D Ryan
OBJECTIVE: The aim of this research was to determine the relationship among protein (PRO) intake, body composition, and muscle strength in overweight and obese firefighters. A secondary objective was to evaluate differences in body composition and muscle strength among overweight and obese firefighters with low (L; < 0.8 g·kg-1 ), moderate (M; 0.8-1.0 g·kg-1 ), and high (H; > 1.0 g·kg-1 ) PRO intake. METHODS: Relative PRO intake [r_PRO] was evaluated from 3-day dietary logs, self-reported by 43 overweight and obese male career firefighters (mean ± standard deviation; age = 37...
April 27, 2018: Journal of the American College of Nutrition
Alessandro Leone, Laila Vignati, Alberto Battezzati, Ramona De Amicis, Veronica Ponissi, Valentina Beggio, Giorgio Bedogni, Angelo Vanzulli, Simona Bertoli
OBJECTIVE: It is not clear whether binge eating (BE) behavior is associated with body composition independently of body mass index (BMI). Our aim has been to evaluate the BMI-independent contribution of BE severity and BE status on the total amount of fat mass and abdominal fat distribution in a large sample of participants. METHOD: We performed a cross-sectional study among 8524 participants followed at a nutritional center. BMI and waist circumference (WC) were measured, body fat (BF) was estimated by skinfold measurement, and abdominal visceral (VAT) and subcutaneous (SAT) adipose tissues were measured by ultrasonography...
April 27, 2018: Journal of the American College of Nutrition
Marina Chiochetta, Eduarda Jardim Ferreira, Isabel Taís da Silva Moreira, Richard Chuquel Silveira de Avila, Alcyr Alves de Oliveira, Fernanda Michielin Busnello, Elizandra Braganhol, Alethéa Gatto Barschak
OBJECTIVE: Fruits and vegetables contain many compounds presenting potential antioxidant activity. The objective of this study was to evaluate the effect of a green juice recipe in adult metabolism in order to identify new preventive dietary sources. METHOD: This was a single-blind randomized controlled clinical trial. Recruitment and data were, respectively, made and collected at the Universidade Federal de Ciências da Saúde de Porto Alegre. Individuals who met all the inclusion criteria during the period of recruitment were included...
April 27, 2018: Journal of the American College of Nutrition
Christopher R D'Adamo, James S Novick, Termeh M Feinberg, Valerie J Dawson, Larry E Miller
OBJECTIVE: Iron deficiency is the most common nutrient deficiency in the world. While deficiency can often be resolved through dietary supplementation with iron, adverse events are common and frequently preclude compliance. The objective of this study was to determine whether a food-derived dietary supplement containing a low dose of iron and nutrients that increase iron absorption could resolve iron deficiency with fewer adverse events than reported at higher doses. METHODS: A pilot clinical trial (NCT02683369) was conducted among premenopausal women with nonanemic iron deficiency that was verified by blood screening...
May 2018: Journal of the American College of Nutrition
Harry G Preuss, Gilbert R Kaats, Nate Mrvichin, Debasis Bagchi, Anand Swaroop
BACKGROUND: Previous evaluations in nondiabetic subjects revealed statistically significant correlations between fasting blood glucose (FBG) levels used as an estimate of insulin resistance and many components constituting the metabolic syndrome. Similar significant correlations were not found employing chronological age as the independent variable in the same nondiabetic individuals. OBJECTIVE: The major purpose here was to replicate as well as corroborate the previous cross-sectional observations, emphasizing results obtained from data collected longitudinally...
May 2018: Journal of the American College of Nutrition
Tandra R Chakraborty, Victoria Gomez, Debasis Adhikari, Sanjoy Chakraborty
OBJECTIVE: To determine the hormonal changes that occur as a result of the long-term intake of a very-high-fat diet (VHFD) that leads to simultaneous changes in the islets of Langerhans and adipocyte cell size. METHODS: Male mice were fed with a normal chow diet (ND, n = 15) and a VHFD (n = 30) for 2, 12, and 24 weeks. Body weight, food intake, caloric intake (fat [saturated and unsaturated], protein, and carbohydrate), hormone levels (leptin and insulin), and islet of Langerhans/adipocyte size were quantitatively recorded...
May 2018: Journal of the American College of Nutrition
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