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https://www.readbyqxmd.com/read/29154885/consumers-health-related-perceptions-of-bread-implications-for-labeling-and-health-communication
#1
Pernilla Sandvik, Margaretha Nydahl, Iwona Kihlberg, Ingela Marklinder
There is a wide variety of commercial bread types and the present study identifies potential pitfalls in consumer evaluations of bread from a health perspective. The aim is to describe consumers' health-related perceptions of bread by exploring which health-related quality attributes consumers associate with bread and whether there are differences with regard to age, gender and education level. A postal and web-based sequential mixed-mode survey (n = 1134, 63% responded online and 37% by paper) with open-ended questions and an elicitation task with pictures of commercial breads were used...
November 14, 2017: Appetite
https://www.readbyqxmd.com/read/29140451/lipids-in-membrane-dynamics-during-autophagy-in-plants
#2
Rodrigo Enrique Gomez, Jérôme Joubès, Nicolas Valentin, Henri Batoko, Béatrice Satiat-Jeunemaître, Amélie Bernard
Autophagy is a critical pathway for plant adaptation to stress. Macroautophagy relies on the biogenesis of a specialized membrane named the phagophore that maturates into a double membrane vesicle. Proteins and lipids act synergistically to promote membrane structure and functions, yet research on autophagy has mostly focused on autophagy-related proteins while knowledge of supporting lipids in the formation of autophagic membranes remains scarce. This review expands on studies in plants with examples from other organisms to present and discuss our current understanding of lipids in membrane dynamics associated with the autophagy pathway in plants...
November 13, 2017: Journal of Experimental Botany
https://www.readbyqxmd.com/read/29138359/comparative-effects-of-intraduodenal-amino-acid-infusions-on-food-intake-and-gut-hormone-release-in-healthy-males
#3
Robert E Steinert, Sina S Ullrich, Nori Geary, Lori Asarian, Marco Bueter, Michael Horowitz, Christine Feinle-Bisset
In contrast to the many studies of the effects of individual amino acids (AAs) on eating, no studies have compared the effects of different AAs on eating and underlying preabsorptive gastrointestinal mechanisms. To compare the effects of intraduodenal infusions of l-tryptophan (TRP), l-leucine (LEU), l-phenylalanine (PHE) and l-glutamine (GLN) on appetite, gastrointestinal hormone responses (including ghrelin, cholecystokinin (CCK), peptide YY (PYY) and glucagon-like peptide-1 [GLP-1]), glycemia (glucagon, insulin and glucose) and test meal size in healthy males, we retrospectively analyzed data from four published independent, randomized, double-blind, placebo-controlled studies of 90-min intraduodenal infusions of the individual AAs...
November 2017: Physiological Reports
https://www.readbyqxmd.com/read/29137402/bdnf-trkb-signaling-mediates-the-anorectic-action-of-estradiol-in-the-nucleus-tractus-solitarius
#4
Ling Shen, David Q H Wang, Meifeng Xu, Stephen C Woods, Min Liu
Although compelling evidence indicates that estradiol (E2) acts in the nucleus tractus solitarius (NTS) to reduce food intake, the underlying mechanisms are largely unknown. We now report that estrogen's anorectic action occurs through enhancing the strength of brain-derived neurotrophic factor (BDNF) and tropomyosin receptor kinase (TrkB) signaling in the NTS. Intra-4th-ventricular administration of a low dose of BDNF reduced food intake to a greater extent in ovariectomized (OVX) rats cyclically treated with E2 than in vehicle-treated OVX rats, implying that cyclic E2 replacement increases BDNF's satiating potency...
October 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/29132415/acupuncture-for-postprandial-distress-syndrome-apds-study-protocol-for-a-randomized-controlled-trial
#5
Jing-Wen Yang, Li-Wen Zhang, Guang-Xia Shi, Yi Du, Jun Wang, Jing-Jie Zhao, Yan Cao, Jian-Feng Tu, Shuai Zhang, Cheng Tan, San-San Chen, Cun-Zhi Liu
BACKGROUND: Postprandial distress syndrome (PDS) is referred to as meal-related functional dyspepsia (FD) and causes a reduced quality of life (QoL) for patients. Several randomized controlled trials (RCTs) have suggested that acupuncture is an effective treatment for FD, but few studies were particularly for PDS. This pilot study was designed to determine the feasibility and efficacy of acupuncture in patients with PDS characterized by postprandial fullness and early satiation according to the Rome III criteria...
November 13, 2017: Trials
https://www.readbyqxmd.com/read/29130716/-effect-of-quinua-chenopodium-quinoa-consumption-as-a-coadjuvant-in-nutritional-intervention-in-prediabetic-subjects
#6
María Salud Abellán Ruiz, María Dolores Barnuevo Espinosa, Carlos García Santamaría, Carlos Javier Contreras Fernández, Miriam Aldeguer García, Fulgencio Soto Méndez, Isabel Guillén Guillén, Antonio Jesús Luque Rubia, Francisco Javier Quinde Ràzuri, Antonio Martínez Garrido, Francisco Javier López Román
INTRODUCTION: Quinoa is a pseudocereal containing low glycemic index carbohydrates, dietary fiber, high biological value protein, phytosterols, and n-3 and n-6 fatty acids, which has generated interest in prediabetes nutritional interventions. This randomized (2:1), placebo-controlled, double-blind study evaluated the effects of processed quinoa on body mass index (BMI), glycated hemoglobin (HbA1c), fasting plasma glucose (FPG) and the satiation and fullness (complete) degree in prediabetic patients...
October 24, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/29118726/the-relationship-between-syntactic-satiation-and-syntactic-priming-a-first-look
#7
Monica L Do, Elsi Kaiser
Syntactic satiation is the phenomenon where some sentences that initially seem ungrammatical appear more acceptable after repeated exposures (Snyder, 2000). We investigated satiation by manipulating two factors known to affect syntactic priming, a phenomenon where recent exposure to a grammatical structure facilitates subsequent processing of that structure (Bock, 1986). Specifically, we manipulated (i) Proximity of exposure (number of sentences between primes and targets) and (ii) Lexical repetition (type of phrase repeated across primes and targets)...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/29105893/effects-of-meal-palatability-on-postprandial-sensations
#8
T Pribic, L Hernandez, A Nieto, C Malagelada, A Accarino, F Azpiroz
BACKGROUND: Food palatability has been shown to influence satiation and meal consumption; our aim was to determine its effects on postprandial satisfaction, ie digestive well-being (primary outcome), and homeostatic sensations (satiety, fullness). METHODS: Randomized, cross-over trial comparing the postprandial responses to conventional (potato-cheese cream followed by vanilla cream) vs unconventional test meals (mixture of both creams) with identical composition and physical characteristics (color, texture, consistency, temperature) but distinctively different palatability...
November 6, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/29073920/homeostatic-modulation-on-unconscious-hedonic-responses-to-food
#9
Wataru Sato, Reiko Sawada, Yasutaka Kubota, Motomi Toichi, Tohru Fushiki
OBJECTIVE: Hedonic/affective responses to food play a critical role in eating behavior. Previous behavioral studies have shown that hedonic responses to food are elicited consciously and unconsciously. Although the studies also showed that hunger and satiation have a modulatory effect on conscious hedonic responses to food, the effect of these homeostatic states on unconscious hedonic responses to food remains unknown. RESULTS: We investigated unconscious hedonic responses to food in hungry and satiated participants using the subliminal affective priming paradigm...
October 26, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/29072163/effect-of-high-and-low-glycemic-index-breakfast-on-postprandial-metabolic-parameters-and-satiety-in-subjects-with-type-2-diabetes-mellitus-under-intensive-insulin-therapy-controlled-clinical-trial
#10
Daniela R Lobos, Isabella A Vicuña, Victoria Novik, Claudia A Vega
BACKGROUND AND AIM: The results of studies evaluating the metabolic effects of glycemic index (GI) in subjects with type 2 diabetes mellitus (DM2) have been contradictory. Consequently, the benefits of its application are controversial and polarized opinions of international organizations have been disclosed. The above situation leads this study to evaluate the acute effect of low and high GI breakfast on the glycemic response and satiety in subjects with DM2 under intensive insulin therapy (IIT)...
August 2017: Clinical Nutrition ESPEN
https://www.readbyqxmd.com/read/29071104/how-does-plate-size-affect-estimated-satiation-and-intake-for-individuals-in-normal-weight-and-overweight-groups
#11
M Peng
OBJECTIVE: Manipulating plate sizes could possibly introduce perceptual biases for judging food satiation and intake, which is thought to be related to the Delbeouf illusion - a visual illusion based on the perceived size of one object related to another. This study was to investigate whether an association exists between an individual's susceptibility to the plate-size-effect and their weight status (i.e. normal-weight versus overweight). METHODS: The study assessed the effect of plate size amongst normal-weight (N = 124) and overweight (N = 79) New Zealand Europeans...
September 2017: Obesity Science & Practice
https://www.readbyqxmd.com/read/29054806/nutritional-physiology-of-mahi-mahi-coryphaena-hippurus-postprandial-metabolic-response-to-different-diets-and-metabolic-impacts-on-swim-performance
#12
John D Stieglitz, Daniel D Benetti, Martin Grosell
Migratory pelagic fish species, such as the mahi-mahi (Coryphaena hippurus), must balance numerous metabolic demands simultaneously in order to survive in a challenging oceanic environment. Energetic support for such demands comes from a variety of natural prey items in the wild and can come from manufactured pelletized feed in captivity. This study quantified postprandial metabolism, commonly referred to as specific dynamic action (SDA), over time in adult mahi-mahi (706±25g; 38±0.7cm FL) in response to satiation feeding using three different natural and manufactured diets...
October 17, 2017: Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology
https://www.readbyqxmd.com/read/29046305/neuromodulation-directed-at-the-prefrontal-cortex-of-subjects-with-obesity-reduces-snack-food-intake-and-hunger-in-a-randomized-trial
#13
Sascha Heinitz, Martin Reinhardt, Paolo Piaggi, Christopher M Weise, Enrique Diaz, Emma J Stinson, Colleen Venti, Susanne B Votruba, Eric M Wassermann, Miguel Alonso-Alonso, Jonathan Krakoff, Marci E Gluck
Background: Obesity is associated with reduced activation in the left dorsolateral prefrontal cortex (DLPFC), a region of the brain that plays a key role in the support of self-regulatory aspects of eating behavior and inhibitory control. Transcranial direct current stimulation (tDCS) is a noninvasive technique used to modulate brain activity.Objectives: We tested whether repeated anodal tDCS targeted at the left DLPFC (compared with sham tDCS) has an immediate effect on eating behavior during ad libitum food intake, resulting in weight change, and whether it might influence longer-term food intake-related appetite ratings in individuals with obesity...
October 18, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/29042449/peptide-yy-mediates-the-satiety-effects-of-diets-enriched-with-whey-protein-fractions-in-male-rats
#14
Rizaldy C Zapata, Arashdeep Singh, Prasanth K Chelikani
Dairy proteins-whey protein, in particular-are satiating and often recommended for weight control; however, little is known about the mechanisms by which whey protein and its components promote satiety and weight loss. We used diet-induced obese rats to determine whether the hypophagic effects of diets that are enriched with whey and its fractions, lactalbumin and lactoferrin, are mediated by the gut hormone, peptide YY (PYY). We demonstrate that high protein diets that contain whey, lactalbumin, and lactoferrin decreased food intake and body weight with a concurrent increase in PYY mRNA abundance in the colon and/or plasma PYY concentrations...
October 17, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29037812/apolipoprotein-a-iv-exerts-its-anorectic-action-through-a-pi3k-akt-signaling-pathway-in-the-hypothalamus
#15
Ling Shen, Chunmin C Lo, Laura A Woollett, Min Liu
Apolipoprotein A-IV (apoA-IV) is a satiation factor that acts in the hypothalamus, however, the intracellular mechanisms responsible for this action are still largely unknown. Here we report that apoA-IV treatment elicited a rapid activation of the phosphatidylinositol-3-kinase (PI3K) signaling pathway in cultured primary hypothalamic neurons, and this effect was significantly attenuated by pretreatment with LY294002, an inhibitor of the PI3K pathway. To determine if the activation of PI3K is required for apoA-IV's inhibitory effect on food intake, apoA-IV was administered intracerebroventricularly...
December 9, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29029309/limited-efficacy-of-caffeine-and-recovery-costs-during-and-following-5-days-of-chronic-sleep-restriction-caffeine-and-sleep-restriction
#16
Tracy Jill Doty, Christine J So, Elizabeth M Bergman, Sara K Trach, Ruthie H Ratcliffe, Angela M Yarnell, Vincent F Capaldi, James E Moon, Thomas J Balkin, Phillip J Quartana
Objectives: To investigate the effects of caffeine on psychomotor vigilance and sleepiness during sleep restriction and following subsequent recovery sleep. Methods: Participants were N=48 healthy good sleepers. All participants underwent 5 nights of sleep satiation [time-in-bed (TIB): 10 hrs], followed by 5 nights of sleep restriction (TIB: 5 hrs), and 3 nights of recovery sleep (TIB: 8 hrs) in a sleep laboratory. Caffeine (200 mg) or placebo was administered in the form of chewing gum at 0800 and 1200 hrs each day during the sleep restriction phase...
October 5, 2017: Sleep
https://www.readbyqxmd.com/read/28974054/the-availability-of-slow-and-fast-calories-in-the-dutch-diet-the-current-situation-and-opportunities-for-interventions
#17
Janet van den Boer, Melanie Werts, Els Siebelink, Cees de Graaf, Monica Mars
Choosing foods that require more time to consume and have a low energy density might constitute an effective strategy to control energy intake, because of their satiating capacity. The current study assessed the eating rate of Dutch food, and investigated the associations between eating rate and other food properties. We also explored the opportunities for a diet with a low energy intake rate (kJ/min). Laboratory data on the eating rate of 240 foods-representing the whole Dutch diet-was obtained. The results show a wide variation in both eating rate (from 2 g/min for rice waffle to 641 g/min for apple juice) and energy intake rate (from 0 kJ/min (0 kcal/min) for water to 1766 kJ/min (422 kcal/min) for chocolate milk)...
October 2, 2017: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28968061/comparative-in-vivo-investigation-of-intrathecal-and-intracerebroventricular-administration-with-melanocortin-ligands-mtii-and-agrp-into-mice
#18
Danielle N Adank, Mary M Lunzer, Cody J Lensing, Stacey L Wilber, Amy M Gancarz, Carrie Haskell-Luevano
Central administration of melanocortin ligands has been used as a critical technique to study energy homeostasis. While intracerebroventricular (ICV) injection is the most commonly used method during these investigations, intrathecal (IT) injection can be equally efficacious for the central delivery of ligands. Importantly, intrathecal administration can optimize exploration of melanocortin receptors in the spinal cord. Herein, we investigate comparative IT and ICV administration of two melanocortin ligands, the synthetic MTII (Ac-Nle-c[Asp-His-DPhe-Arg-Trp-Lys]-NH2) MC4R agonist and agouti-related peptide [AGRP(87-132)] MC4R inverse agonist/antagonist, on the same batch of age-matched mice in TSE metabolic cages undergoing a nocturnal satiated paradigm...
October 19, 2017: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/28965176/influence-of-rice-pea-and-oat-proteins-in-attenuating-glycemic-response-of-sugar-sweetened-beverages
#19
Sze-Yen Tan, Phei Ching Siow, Elaine Peh, Christiani Jeyakumar Henry
PURPOSE: Liquids have higher ingestion and gastric-emptying rates, resulting in rapid glycemic response. They are also less satiating than solid foods. This study examined if the addition of plant proteins alter postprandial glucose, insulin, triglycerides, glucose-dependent insulinotropic peptide (GIP), glycogen-like peptide-1 (GLP-1) and appetitive responses to a sugar-sweetened beverage. METHODS: This was a randomized, crossover acute feeding study consisting of four treatments: chocolate beverage alone (50 g carbohydrate), or added with 24 g oat, pea or rice proteins...
September 30, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28958851/effects-of-liraglutide-on-weight-satiation-and-gastric-functions-in-obesity-a-randomised-placebo-controlled-pilot-trial
#20
Houssam Halawi, Disha Khemani, Deborah Eckert, Jessica O'Neill, Hoda Kadouh, Karen Grothe, Matthew M Clark, Duane D Burton, Adrian Vella, Andres Acosta, Alan R Zinsmeister, Michael Camilleri
BACKGROUND: Liraglutide, a long-acting GLP-1 receptor agonist, is approved for treatment of obesity; however, the mechanisms of action of liraglutide are incompletely understood. We compared effects of liraglutide versus placebo on gastric motor functions, satiation, satiety, and weight in obese individuals over 16 weeks. METHODS: We did a randomised, double-blind, placebo-controlled pilot trial at a single centre (Mayo Clinic, Rochester, MN, USA). Participants were randomly allocated (1:1) by a computer generated randomisation schedule with no stratification to receive subcutaneous liraglutide (3·0 mg) or placebo, with standardised nutritional and behavioural counselling...
September 25, 2017: Lancet. Gastroenterology & Hepatology
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