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https://www.readbyqxmd.com/read/27904974/heat-stress-affects-carbohydrate-metabolism-during-cold-induced-sweetening-of-potato-solanum-tuberosum-l
#1
Derek J Herman, Lisa O Knowles, N Richard Knowles
Tolerance to heat stress for retention of low-temperature sweetening-resistant phenotype in potato is conferred by insensitivity of acid invertase activity to cold induction. Heat stress exacerbated cold sweetening (buildup of reducing sugars) of the LTS (low-temperature sweetening)-susceptible potato (Solanum tuberosum L.) cultivars, Ranger Russet and Russet Burbank, and completely abolished the resistance to cold sweetening in the LTS-resistant cultivars/clones, Sage Russet, GemStar Russet, POR06V12-3 and A02138-2...
November 30, 2016: Planta
https://www.readbyqxmd.com/read/27903745/inhibiting-microglia-expansion-prevents-diet-induced-hypothalamic-and-peripheral-inflammation
#2
Caroline André, Omar Guzman-Quevedo, Charlotte Rey, Julie Rémus-Borel, Samantha Clark, Ashley Castellanos-Jankiewicz, Elodie Ladeveze, Thierry Leste-Lasserre, Agnes Nadjar, Djoher Nora Abrous, Sophie Laye, Daniela Cota
Cell proliferation and neuroinflammation in the adult hypothalamus may contribute to the pathogenesis of obesity. Here we tested whether the intertwining of these two processes has a role in the metabolic changes caused by three weeks of saturated high-fat diet (HFD) consumption.As compared to chow, HFD-fed mice rapidly increased body weight and fat mass, and specifically showed increased microglia number in the arcuate nucleus (ARC) of the hypothalamus. Microglia expansion required the adequate presence of fats and carbohydrates in the diet, since feeding mice a very high-fat, very low-carbohydrate diet did not affect cell proliferation...
November 30, 2016: Diabetes
https://www.readbyqxmd.com/read/27903520/visceral-adiposity-and-metabolic-syndrome-after-very-high-fat-and-low-fat-isocaloric-diets-a-randomized-controlled-trial
#3
Vivian L Veum, Johnny Laupsa-Borge, Øyvin Eng, Espen Rostrup, Terje H Larsen, Jan Erik Nordrehaug, Ottar K Nygård, Jørn V Sagen, Oddrun A Gudbrandsen, Simon N Dankel, Gunnar Mellgren
BACKGROUND: Different aspects of dietary pattern, including macronutrient and food profiles, may affect visceral fat mass and metabolic syndrome. OBJECTIVE: We hypothesized that consuming energy primarily from carbohydrate or fat in diets with similar food profiles would differentially affect the ability to reverse visceral adiposity and metabolic syndrome. DESIGN: Forty-six men (aged 30-50 y) with body mass index (in kg/m(2)) >29 and waist circumference >98 cm were randomly assigned to a very high-fat, low-carbohydrate (VHFLC; 73% of energy fat and 10% of energy carbohydrate) or low-fat, high-carbohydrate (LFHC; 30% of energy fat and 53% of energy carbohydrate) diet for 12 wk...
November 30, 2016: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/27891164/a-low-carbohydrate-high-fat-diet-decreases-lean-mass-and-impairs-cardiac-function-in-pair-fed-female-c57bl-6j-mice
#4
Jessica Nilsson, Madelene Ericsson, Masoumeh Motamedi Joibari, Fredrick Anderson, Leif Carlsson, Stefan K Nilsson, Anna Sjödin, Jonas Burén
BACKGROUND: Excess body fat is a major health issue and a risk factor for the development of numerous chronic diseases. Low-carbohydrate diets like the Atkins Diet are popular for rapid weight loss, but the long-term consequences remain the subject of debate. The Scandinavian low-carbohydrate high-fat (LCHF) diet, which has been popular in Scandinavian countries for about a decade, has very low carbohydrate content (~5 E %) but is rich in fat and includes a high proportion of saturated fatty acids...
2016: Nutrition & Metabolism
https://www.readbyqxmd.com/read/27876096/a-randomised-controlled-trial-of-the-effects-of-very-low-carbohydrate-and-high-carbohydrate-diets-on-cognitive-performance-in-patients-with-type-2-diabetes
#5
Jeannie Tay, Ian T Zajac, Campbell H Thompson, Natalie D Luscombe-Marsh, Vanessa Danthiir, Manny Noakes, Jonathan D Buckley, Gary A Wittert, Grant D Brinkworth
This study compared the longer-term effects of a very low-carbohydrate, high-fat diet with a high-carbohydrate, low-fat diet on cognitive performance in individuals with type 2 diabetes (T2D). In total, 115 obese adults with T2D (sixty-six males, BMI: 34·6 (sd 4·3) kg/m2, age: 58 (sd 7) years, HbA1c: 7·3 (sd 1·1) %, diabetes duration: 8 (sd 6) years) were randomised to consume either an energy-restricted, very low-carbohydrate, low-saturated-fat (LC) diet or an energy-matched high unrefined carbohydrate, low-fat (HC) diet with supervised aerobic/resistance exercise (60 min, 3 d/week) for 52 weeks...
November 23, 2016: British Journal of Nutrition
https://www.readbyqxmd.com/read/27875499/impact-of-acute-dietary-manipulations-on-dxa-and-bia-body-composition-estimates
#6
Grant M Tinsley, Flor E Morales, Jeffrey S Forsse, Peter W Grandjean
PURPOSE: To examine the effects of acute pre-assessment diets on body composition estimates obtained by dual-energy x-ray absorptiometry (DXA) and bioelectrical impedance analysis (BIA). METHODS: In a counterbalanced design, 48 males and females were provided with two one-day diets: high-carbohydrate diet (9 g CHO/kg) and very low-carbohydrate diet (1 to 1.5 g CHO/kg). For each condition, body composition was assessed in the morning after an overnight fast, in the afternoon after feeding, and the following morning after a second overnight fast...
November 21, 2016: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/27873429/low-association-between-fasting-and-ogtt-stimulated-glucose-levels-with-hba1c-in-overweight-children-and-adolescents
#7
Stefan Ehehalt, Susanna Wiegand, Antje Körner, Roland Schweizer, Klaus-Peter Liesenkötter, Carl-Joachim Partsch, Gunnar Blumenstock, Ulrike Spielau, Christian Denzer, Michael B Ranke, Andreas Neu, Gerhard Binder, Martin Wabitsch, Wieland Kiess, Thomas Reinehr
BACKGROUND: Diabetes and prediabetes are defined based on different methods such as fasting glucose, glucose at 2-hour in oral glucose tolerance test (OGTT), and glycated hemoglobin A1c (HbA1c). These parameters probably describe different deteriorations in glucose metabolism limiting the exchange between each other in definitions of diabetes. OBJECTIVE: To investigate the relationship between OGTT and HbA1c in overweight and obese children and adolescents living in Germany...
November 22, 2016: Pediatric Diabetes
https://www.readbyqxmd.com/read/27837349/comparison-of-body-composition-and-nutrients-deficiencies-between-portuguese-rink-hockey-players
#8
Maria-Raquel G Silva, Hugo-Henrique Silva
: We evaluated dietary intake and body composition of child and adolescent rink-hockey players and controls. Seventy-two male rink-hockey players (38 children and 34 adolescents) and 79 male controls (43 children and 36 adolescents) were evaluated in order to collect training data, detailed dietary intake and body composition. Rink-hockey players presented significantly lower body fat (BF) and higher fat-free mass (FFM) than controls. Mean intakes of carbohydrate and protein were considered to be adequate, but mean intakes of fat were above the recommended levels in athletes...
November 12, 2016: European Journal of Pediatrics
https://www.readbyqxmd.com/read/27826354/the-effects-on-weight-loss-and-gene-expression-in-adipose-and-hepatic-tissues-of-very-low-carbohydrate-and-low-fat-isoenergetic-diets-in-diet-induced-obese-mice
#9
Tomomi Yamazaki, Sumire Okawa, Mayumi Takahashi
BACKGROUND: Obesity is caused by excessive fat or carbohydrate intake. The improvement of obesity is an important issue, especially in Western societies. Both low-carbohydrate diet (LCD) and low-fat diet (LFD) are used to achieve weight loss in humans. To clarify the mechanisms underlying LCD-induced weight loss, especially in early stage, we compared the gene expression in liver, white adipose tissue (WAT) and brown adipose tissue (BAT) of a very-low carbohydrate diet (VLCD)- and LFD-fed diet-induced obese (DIO) mice...
2016: Nutrition & Metabolism
https://www.readbyqxmd.com/read/27822291/monitoring-for-compliance-with-a-ketogenic-diet-what-is-the-best-time-of-day-to-test-for-urinary-ketosis
#10
Paul Urbain, Hartmut Bertz
BACKGROUND: The ketogenic diet (KD) is a very low-carbohydrate, high-fat and adequate-protein diet with no calorie limit that induces a metabolic condition called "physiological ketosis". It was first introduced to treat epilepsy in the 1920s and has become quite popular recently as weight-loss and performance-enhancing diet. Its therapeutic use in a range of diseases is under investigation. During KD interventions people are supposed to monitor compliance with the dietary regimen by daily urine testing for ketosis...
2016: Nutrition & Metabolism
https://www.readbyqxmd.com/read/27777618/efficient-hydrolysis-of-raw-starch-and-ethanol-fermentation-a-novel-raw-starch-digesting-glucoamylase-from-penicillium-oxalicum
#11
Qiang-Sheng Xu, Yu-Si Yan, Jia-Xun Feng
BACKGROUND: Starch is a very abundant and renewable carbohydrate and is an important feedstock for industrial applications. The conventional starch liquefaction and saccharification processes are energy-intensive, complicated, and not environmentally friendly. Raw starch-digesting glucoamylases are capable of directly hydrolyzing raw starch to glucose at low temperatures, which significantly simplifies processing and reduces the cost of producing starch-based products. RESULTS: A novel raw starch-digesting glucoamylase PoGA15A with high enzymatic activity was purified from Penicillium oxalicum GXU20 and biochemically characterized...
2016: Biotechnology for Biofuels
https://www.readbyqxmd.com/read/27761794/nitrogen-sources-screening-for-ethanol-production-using-carob-industrial-wastes
#12
S Raposo, A Constantino, F Rodrigues, B Rodrigues, M E Lima-Costa
Nowadays, bioethanol production is one of the most important technologies by the necessity to identify alternative energy resources, principally when based on inexpensive renewable resources. However, the costs of 2nd-generation bioethanol production using current biotechnologies are still high compared to fossil fuels. The feasibility of bioethanol production, by obtaining high yields and concentrations of ethanol, using low-cost medium, is the primary goal, leading the research done today. Batch Saccharomyces cerevisiae fermentation of high-density sugar from carob residues with different organic (yeast extract, peptone, urea) and inorganic nitrogen sources (ammonium sulfate, ammonium nitrate) was performed for evaluating a cost-effective ethanol production, with high ethanol yield and productivity...
October 19, 2016: Applied Biochemistry and Biotechnology
https://www.readbyqxmd.com/read/27756449/microalgae-as-a-safe-food-source-for-animals-nutritional-characteristics-of-the-acidophilic-microalga-coccomyxa-onubensis
#13
Francisco Navarro, Eduardo Forján, María Vázquez, Zaida Montero, Elisabeth Bermejo, Miguel Ángel Castaño, Alberto Toimil, Enrique Chagüaceda, Miguel Ángel García-Sevillano, Marisa Sánchez, María José Domínguez, Rosario Pásaro, Inés Garbayo, Carlos Vílchez, José María Vega
BACKGROUND: Edible microalgae are marine or fresh water mesophilic species. Although the harvesting of microalgae offers an abundance of opportunities to the food and pharmaceutical industries, the possibility to use extremophilic microalgae as a food source for animals is not well-documented. OBJECTIVE: We studied the effects of dietary supplementation of a powdered form of the acidophilic microalga Coccomyxa onubensis on growth and health parameters of laboratory rats...
2016: Food & Nutrition Research
https://www.readbyqxmd.com/read/27754766/the-effects-of-different-high-protein-low-carbohydrates-proprietary-foods-on-blood-sugar-in-healthy-subjects
#14
Alessandra Lodi, Bettina Karsten, Gerardo Bosco, Manuel Gómez-López, Paula Paraguassú Brandão, Antonino Bianco, Antonio Paoli
: The aim of this study was to analyze the effects on blood sugar concentrations through the calculation of the glycemic score (GS) of 10 different high-protein low-carbohydrates (CHOs) proprietary foods that are commonly used as meals during very low-CHO ketogenic diets or during low-CHO diets. Fourteen healthy females were tested for their glycemic response curve elicited by 1000 kJ of glucose three times within a 3-week period (one test each week) compared with one of 10 test foods once on separate days twice a week...
October 18, 2016: Journal of Medicinal Food
https://www.readbyqxmd.com/read/27735149/clinical-and-aetiological-spectrum-of-hypokalemic-flaccid-paralysis-in-western-odisha
#15
Biranchi Narayan Mohapatra, Sujit Kumar Lenka, Manoranjan Acharya, Chakradhar Majhi, Gouri Oram, Khetra Mohan Tudu
OBJECTIVE: To study the clinical profile of hypokalemic flaccid paralysis (HKFP) and to evaluate its causes. METHODS: Fifty cases of hypokalemic flaccid paralysis (HKFP) admitted between November 2012 to October 2014 were taken up in the study. Serum potassium level < 3.5 mmol/ltr has been taken as hypokalemia. All cases were studied for spot and/or 24 hour urinary sodium / potassium, serum potassium / calcium / magnesium. Hypokalemic periodic paralysis (HPP) were diagnosed if there was spot/24 hour urine potassium excretion < 20mmol/ltr in presence of hypokalemia and flaccid weakness without other causes...
May 2016: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/27733400/dietary-glycemic-index-glycemic-load-and-refined-carbohydrates-are-associated-with-risk-of-stroke-a-prospective-cohort-study-in-urban-chinese-women
#16
Danxia Yu, Xianglan Zhang, Xiao-Ou Shu, Hui Cai, Honglan Li, Ding Ding, Zhen Hong, Yong-Bing Xiang, Yu-Tang Gao, Wei Zheng, Gong Yang
BACKGROUND: Epidemiologic evidence on dietary carbohydrates and stroke risk remains controversial. Very few prospective cohort studies have been conducted in Asian populations, who usually consume a high-carbohydrate diet and have a high burden of stroke. OBJECTIVE: We examined dietary glycemic index (GI), glycemic load (GL), and intakes of refined and total carbohydrates in relation to risks of total, ischemic, and hemorrhagic stroke and stroke mortality. DESIGN: This study included 64,328 Chinese women, aged 40-70 y, with no history of cardiovascular disease, diabetes, or cancer...
November 2016: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/27731821/rauwolfia-serpentina-improves-altered-glucose-and-lipid-homeostasis-in-fructose-induced-type-2-diabetic-mice
#17
Muhammad Bilal Azmi, Shamim A Qureshi
Rauwolfia serpentina is well-reported in traditional medicines for the treatment of hypertensive and neurological disorders. However, its antidiabetic potential has been currently described in both alloxan-treated and normoglycemic mice. Present effort was carried out to investigate the effect of methanol root extract (MREt) of R.serpentina in fructose-induced type 2 diabetic mice. Experimental mice were grouped into normal control (distilled water 1ml/kg) and fructose-induced type 2 diabetic groups (10% fructose 1 ml/kg)...
September 2016: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/27723053/diet-e-ect-on-short-and-long-term-glycaemic-response-in-adult-healthy-cats
#18
Nadia Musco, Serena Calabro, Raffaella Tudisco, Micaela Grossi, Laura Addi, Giuseppe Moniello, Pietro Lombardi, Monica Isabella Cutrignelli
In the paper the short- and long-term glycaemic response after 4 diet programmes was evaluated. Each diet programme was alternatively administered to 6 healthy cats for 30 days. At the end of each period cats were weighed and underwent blood sampling for glucose and fructosamine determination. Glycaemia was measured every 2 hours for 24 hours using an automated glucometer. Very high protein level and low starch (VHP/LS) and high protein and moderate starch level (HP/LS) diets showed glucose (Mean and Peak) and fructosamine values signi cantly lower compared to the moderate protein and high starch diets (MP/HS)...
August 3, 2016: Veterinaria Italiana
https://www.readbyqxmd.com/read/27719911/itraq-analysis-of-low-phytate-mung-bean-sprouts-treated-with-sodium-citrate-sodium-acetate-and-sodium-tartrate
#19
Xiaolin Jin, Runqiang Yang, Liping Guo, Xinkun Wang, Xiaokun Yan, Zhenxin Gu
The effects of sodium citrate (SC), sodium acetate (SA) and sodium tartrate (ST) spraying on mung bean germination were investigated. Exogenous SC, ST and SA treatments significantly reduced the phytic acid content and increased the antioxidant enzyme activities. In this study, an iTRAQ-based proteomic approach was employed to explore the proteomes of mung bean sprouts, and 81, 101 and 90 differentially expressed proteins were identified in 4-day-old SC-, SA- and ST-treated mung bean sprouts, with 38 proteins present in all samples...
March 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/27716802/transcriptome-analysis-of-gene-expression-during-chinese-water-chestnut-storage-organ-formation
#20
Libao Cheng, Shuyan Li, Sainan Chen, Yan Wang, Meizhen Yu, Xuehao Chen, Liangjun Li, Jingjing Yin
The product organ (storage organ; corm) of the Chinese water chestnut has become a very popular food in Asian countries because of its unique nutritional value. Corm formation is a complex biological process, and extensive whole genome analysis of transcripts during corm development has not been carried out. In this study, four corm libraries at different developmental stages were constructed, and gene expression was identified using a high-throughput tag sequencing technique. Approximately 4.9 million tags were sequenced, and 4,371,386, 4,372,602, 4,782,494, and 5,276,540 clean tags, including 119,676, 110,701, 100,089, and 101,239 distinct tags, respectively, were obtained after removal of low-quality tags from each library...
2016: PloS One
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