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Polyunsaturated Fat

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https://www.readbyqxmd.com/read/28812768/chemical-nutritive-composition-and-a-wide-range-of-bioactive-properties-of-honey-mushroom-armillaria-mellea-vahl-fr-kummer
#1
Marina Kostić, Marija Smiljković, Jovana Petrović, Jasmina Glamočlija, Lillian Barros, Isabel C F R Ferreira, Ana Ćirić, Marina Soković
A. mellea fruiting bodies collected from nature were chemically characterized and shown to be rich in carbohydrates (81.25 g per 100 g dw), ash, fat and proteins (8.84 g per 100 g dw, 1.97 g per 100 g dw and 1.81 g per 100 g dw, respectively). Mannitol was the main free sugar while malic acid was the most abundant organic acid. δ-Tocopherol was the dominant form of tocopherols with 42.41 μg per 100 g dw. Polyunsaturated fatty acids were predominant, followed by saturated and monounsaturated fatty acids. A methanolic extract prepared from these samples was tested for antioxidant, quorum sensing and antimicrobial assays, as well as for its cytotoxicity effects...
August 16, 2017: Food & Function
https://www.readbyqxmd.com/read/28803653/effect-of-dietary-intake-of-saturated-fatty-acids-on-the-development-of-atrial-fibrillation-and-the-effect-of-replacement-of-saturated-with-monounsaturated-and-polyunsaturated-fatty-acids
#2
Pia Thisted Dinesen, Albert Marni Joensen, Thomas Andersen Rix, Anne Tjønneland, Erik Berg Schmidt, Søren Lundbye-Christensen, Kim Overvad
The aim of the present study was to explore substitution of intake of saturated fatty acids (FAs) with monounsaturated and polyunsaturated FAs and incident atrial fibrillation (AF) in men and women. A total of 57,053 Danish participants aged 50 to 64 years were enrolled in the Diet, Cancer and Health cohort study in 1993 to 1997 and completed a semiquantitative food frequency questionnaire at baseline. Follow-up was registry-based and data were analyzed using Cox proportional hazards regression. The statistical model was formulated in such a way that 1 g/day of saturated FAs was replaced with 1 g/day of monounsaturated or polyunsaturated FAs while keeping total fat intake, total energy intake, and energy intake from protein and carbohydrates constant...
July 14, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28793941/estimates-of-genetic-parameters-for-fatty-acid-compositions-in-the-longissimus-dorsi-muscle-of-hanwoo-cattle
#3
M S A Bhuiyan, D H Lee, H J Kim, S H Lee, S H Cho, B S Yang, S D Kim
We estimated the heritabilities (h 2) and genetic and phenotypic correlations among individual and groups of fatty acids, as well as their correlations with six important carcass and meat-quality traits in Korean Hanwoo cattle. Meat samples were collected from the longissimus dorsi muscles of 1000 Hanwoo steers that were 30-month-old (progeny of 85 proven Hanwoo bulls) to determine intramuscular fatty acid profiles. Phenotypic data on carcass weight (CWT), eye muscle area (EMA), back fat thickness (BFT), marbling score (MS), Warner-Bratzler shear force (WBSF) and intramuscular fat content (IMF) were also investigated using this half-sib population...
August 10, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28793772/effect-of-dietary-lipids-on-endotoxemia-influences-postprandial-inflammatory-response
#4
Javier Lopez-Moreno, Sonia García-Carpintero, Rosa Jimenez-Lucena, Carmen Haro, Oriol A Rangel-Zúñiga, Ruth Blanco-Rojo, Elena Maria Yubero-Serrano, Francisco J Tinahones, Javier Delgado-Lista, Pablo Pérez-Martínez, Helen M Roche, Jose Lopez-Miranda, Antonio Camargo
Metabolic syndrome (MetS) results in postprandial metabolic alterations that predisposes to a state of chronic low-grade inflammation and increased oxidative stress. We aimed to assess the effect of the consumption of the quantity and quality of dietary fat on fasting and postprandial plasma lipopolysaccharides (LPS). A subgroup of 75 subjects with metabolic syndrome was randomized to receive 1 of 4 diets: HSFA, rich in saturated fat; HMUFA, rich in monounsaturated fat; LFHCC n-3, low-fat, rich in complex carbohydrate diet supplemented with n-3 polyunsaturated fatty acids; LFHCC low-fat, rich in complex carbohydrate diet supplemented with placebo, for 12 week each...
August 9, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28776604/the-role-of-diet-physical-activity-body-fatness-and-breastfeeding-in-breast-cancer-in-young-women-epidemiological-evidence
#5
I Isabelle Romieu, A Amadou, V Chajes
The incidence of breast cancer (BC) is rising worldwide, with an increase in aggressive neoplasias in young women. Traditionally, BC in young women has been thought to be etiologically driven, primarily by genetic/hereditary factors. However, these factors explain only a small proportion of BCs, pointing to a role of the environment. Suspected factors responsible for this increase include lifestyle changes, notably alcohol consumption, diet with high intake of refined carbohydrates and saturated fat and low intake of polyunsaturated fatty acids (PUFA), fiber and vitamins (such as folate, vitamin D, and carotenoids), low physical activity, and body fatness, all of which may act from childhood and adolescent years through adulthood...
July 2017: Revista de Investigación Clínica; Organo del Hospital de Enfermedades de la Nutrición
https://www.readbyqxmd.com/read/28771708/metabolic-profiling-of-murine-plasma-reveals-eicosapentaenoic-acid-metabolites-protecting-against-endothelial-activation-and-atherosclerosis
#6
Yajin Liu, Xuan Fang, Xu Zhang, Jing Huang, Jinlong He, Liyuan Peng, Chenji Ye, Yingmei Wang, Fengxia Xue, Ding Ai, Dan Li, Yi Zhu
BACKGROUND AND PURPOSE: Atherosclerosis results from a maladaptive inflammatory response initiated by the intramural retention of LDL in susceptible areas of the arterial vasculature. ω-3 polyunsaturated fatty acids (ω-3) have protective effects in atherosclerosis; however, the molecular mechanism is still largely unknown. The present study used a metabolomic approach to reveal the atheroprotective metabolites of ω-3 and investigate the underlying mechanisms. EXPERIMENTAL APPROACH: We evaluated the development of atherosclerosis in LDL-receptor-deficient mice (LDLR(-/-) ) fed a Western-type diet (WTD) plus ω-3 and also LDLR(-/-) and fat-1 transgenic (LDLR(-/-) -fat-1(tg) ) mice fed a WTD...
August 3, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28770178/chemopreventive-and-chemotherapeutic-effects-of-fish-oil-derived-omega-3-polyunsaturated-fatty-acids-on-colon-carcinogenesis
#7
REVIEW
Ja Young Lee, Tae-Bu Sim, Jeong-Eun Lee, Hye-Kyung Na
Colorectal cancer is the third most common cause of cancer related death in the world. Multiple lines of evidence suggest that there is an association between consumption of dietary fat and colon cancer risk. Not only the amount but also the type and the ratio of fatty acids comprising dietary fats consumed have been implicated in the etiology and pathogenesis of colon cancer. Omega-3 (n-3) polyunsaturated fatty acids (PUFAs), such as docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA), have been known to inhibit development of colon cancer by downregulating the expression of genes involved in colon carcinogenesis and also by altering the membrane lipid composition...
July 2017: Clinical Nutrition Research
https://www.readbyqxmd.com/read/28768832/dietary-fat-quantity-and-type-induce-transcriptome-wide-effects-on-alternative-splicing-of-pre-mrna-in-rat-skeletal-muscle
#8
Adam J Black, Suhana Ravi, Leonard S Jefferson, Scot R Kimball, Rudolf J Schilder
Background: Fat-enriched diets produce metabolic changes in skeletal muscle, which in turn can mediate changes in gene regulation.Objective: We examined the high-fat-diet-induced changes in skeletal muscle gene expression by characterizing variations in pre-mRNA alternative splicing.Methods: Affymetrix Exon Array analysis was performed on the transcriptome of the gastrocnemius/plantaris complex of male obesity-prone Sprague-Dawley rats fed a 10% or 60% fat (lard) diet for 2 or 8 wk. The validation of exon array results was focused on troponin T (Tnnt3)...
August 2, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28763040/strategies-towards-improved-feed-efficiency-in-pigs-comprise-molecular-shifts-in-hepatic-lipid-and-carbohydrate-metabolism
#9
Henry Reyer, Michael Oster, Elizabeth Magowan, Dirk Dannenberger, Siriluck Ponsuksili, Klaus Wimmers
Due to the central role of liver tissue in partitioning and metabolizing of nutrients, molecular liver-specific alterations are of considerable interest to characterize an efficient conversion and usage of feed in livestock. To deduce tissue-specific and systemic effects on nutrient metabolism and feed efficiency (FE) twenty-four animals with extreme phenotypes regarding residual feed intake (RFI) were analyzed. Transcriptome and fatty acid profiles of liver tissue were complemented with measurements on blood parameters and thyroid hormone levels...
August 1, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28760423/hunger-and-satiety-responses-to-high-fat-meals-after-a-high-polyunsaturated-fat-diet-a-randomized-trial
#10
Jada L Stevenson, Chad M Paton, Jamie A Cooper
OBJECTIVE: Previous studies have shown that polyunsaturated fats (PUFAs) elicit a greater response in satiety after a single-meal challenge compared with other types of fats. The long-term effects of PUFAs on satiety, however, remain unknown. The aim of this study was to determine subjective and physiological hunger and satiety responses to high-fat (HF) meals before and after a 7-d PUFA-rich diet. METHODS: Twenty-six, healthy weight (body mass index 18-24.9 kg/m(2)), sedentary adults were randomly assigned to either a 7-d PUFA-rich diet (n = 8 men and n = 8 women) or a 7-d control diet (n = 5 men and n = 5 women)...
September 2017: Nutrition
https://www.readbyqxmd.com/read/28758978/dietary-approaches-in-the-management-of-diabetic-patients-with-kidney-disease
#11
REVIEW
Gang Jee Ko, Kamyar Kalantar-Zadeh, Jordi Goldstein-Fuchs, Connie M Rhee
Chronic kidney disease (CKD) is one of the most prevalent complications of diabetes, and patients with diabetic kidney disease (DKD) have a substantially higher risk of cardiovascular disease and death compared to their non-diabetic CKD counterparts. In addition to pharmacologic management strategies, nutritional and dietary interventions in DKD are an essential aspect of management with the potential for ameliorating kidney function decline and preventing the development of other end-organ complications. Among DKD patients with non-dialysis dependent CKD, expert panels recommend lower dietary protein intake of 0...
July 31, 2017: Nutrients
https://www.readbyqxmd.com/read/28746163/the-potential-contribution-of-dietary-factors-to-breast-cancer-prevention
#12
Niva Shapira
Breast cancer (BC), the leading cancer in women, is increasing in prevalence worldwide, concurrent with western metabolic epidemics, that is, obesity, metabolic syndrome, and diabetes, and shares major risk factors with these diseases. The corresponding potential for nutritional contributions toward BC prevention is reviewed and related to critical stages in the life cycle and their implications for carcinogenic and pathometabolic trajectories. BC initiation potentially involves diet-related pro-oxidative, inflammatory, and procarcinogenic processes, that interact through combined lipid/fatty acid peroxidation, estrogen metabolism, and related DNA-adduct/depurination/mutation formation...
July 25, 2017: European Journal of Cancer Prevention
https://www.readbyqxmd.com/read/28744912/using-the-method-of-triads-in-the-validation-of-a-food-frequency-questionnaire-to-assess-the-consumption-of-fatty-acids-in-adults
#13
D C G da Silva, W Segheto, M F C de Lima, M C Pessoa, M C G Pelúzio, D M L Marchioni, D B Cunha, G Z Longo
BACKGROUND: It is of great value to develop valid instruments to estimate food consumption; for this purpose, the triads method has been applied in validation studies of dietary intake to evaluate the correlation between three measurements [food frequency questionnaire (FFQ), reference method and biomarker]. The main aim of the present study was to validate a FFQ for Brazilian adults by means of the method of triads by estimating the ingestion of total fatty acids based on the level of saturation...
July 26, 2017: Journal of Human Nutrition and Dietetics: the Official Journal of the British Dietetic Association
https://www.readbyqxmd.com/read/28742456/dietary-fat-intake-and-lung-cancer-risk-a-pooled-analysis
#14
Jae Jeong Yang, Danxia Yu, Yumie Takata, Stephanie A Smith-Warner, William Blot, Emily White, Kim Robien, Yikyung Park, Yong-Bing Xiang, Rashmi Sinha, DeAnn Lazovich, Meir Stampfer, Rosario Tumino, Dagfinn Aune, Kim Overvad, Linda Liao, Xuehong Zhang, Yu-Tang Gao, Mattias Johansson, Walter Willett, Wei Zheng, Xiao-Ou Shu
Purpose Dietary fat may play a role in lung carcinogenesis. Findings from epidemiologic studies, however, remain inconsistent. In this pooled analysis of 10 prospective cohort studies from the United States, Europe, and Asia, we evaluated the associations of total and specific types of dietary fat with lung cancer risk. Methods Cox regression was used to estimate hazard ratios (HRs) and 95% CIs in each cohort. Study-specific risk estimates were pooled by random- or fixed-effects meta-analysis. The first 2 years of follow-up were excluded to address potential influence of preclinical dietary changes...
July 25, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28738225/the-effect-of-low-fat-beef-patties-formulated-with-a-low-energy-fat-analogue-enriched-in-long-chain-polyunsaturated-fatty-acids-on-lipid-oxidation-and-sensory-attributes
#15
Marta Alejandre, Denis Passarini, Iciar Astiasarán, Diana Ansorena
A new low-energy gelled emulsion containing algae oil was developed as animal fat replacer. Its stability was evaluated under different storage conditions: 4V (4°C/vacuum), 4NV (4°C/no vacuum), 25V (25°C/vacuum) and 25NV (25°C/no vacuum). According to moisture, hardness, color and lipid oxidation data, 4°C under vacuum (4V) was selected as the best condition. Once the gelled emulsion was characterized, its effectiveness as fat analogue was demonstrated in beef patties. Reformulated patties were produced with 100% of animal fat replacement and compared to conventional patties (9%fat)...
July 13, 2017: Meat Science
https://www.readbyqxmd.com/read/28727955/longitudinal-child-oriented-dietary-intervention-association-with-parental-diet-and-cardio-metabolic-risk-factors-the-special-turku-coronary-risk-factor-intervention-project
#16
Johanna M Jaakkola, Katja Pahkala, Tapani Rönnemaa, Jorma Viikari, Harri Niinikoski, Eero Jokinen, Hanna Lagström, Antti Jula, Olli Raitakari
Background The child-oriented dietary intervention given in the prospective Special Turku Coronary Risk Factor Intervention Project (STRIP) has decreased the intake of saturated fat and lowered serum cholesterol concentration in children from infancy until early adulthood. In this study, we investigated whether the uniquely long-term child-oriented intervention has affected also secondarily parental diet and cardio-metabolic risk factors. Methods The STRIP study is a longitudinal, randomized infancy-onset atherosclerosis prevention trial continued from the child's age of 8 months to 20 years...
January 1, 2017: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/28720155/effect-of-slaughter-age-and-feeding-system-on-the-neutral-and-polar-lipid-composition-of-horse-meat
#17
X Belaunzaran, P Lavín, A R Mantecón, J K G Kramer, N Aldai
This study was undertaken to provide a thorough analysis of the neutral lipid (NL) and polar lipid (PL) fractions of horse meat that included the content and distribution of acyl and alkenyl moieties in foals under different rearing conditions. Two groups of crossbred horses were studied; the first group was selected from suckling foals produced under grazing conditions and slaughtered at 4 months of age (n=8), and the second group was selected from concentrate-finished foals and slaughtered at 12 months of age (n=7)...
July 19, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28714405/emerging-targets-to-relieve-fat-stress-induced-liver-diseases-udca-tocotrienol-%C3%AF-3-pufas-and-igy-targeted-npc1l1-cholesterol-transporter
#18
Ji-Young Cha, Jong-Min Park, Ho-Jae Lee, Jin-Sik Bae, Young-Min Han, Byung-Chul Oh, Kwang Hyun Ko, Ki-Baik Hahm
Fat stress-induced liver disease is a hepatic manifestation of metabolic syndrome initiated by excess fat accumulation and encompasses a wide spectrum of diseases from non-alcoholic fatty liver disease to non-alcoholic steatohepatitis, a precursor lesion progressing to more aggressive liver cirrhosis and hepatocellular carcinoma. Although the incidence of these fat stress-induced liver diseases is rapidly increasing worldwide in parallel with the growing epidemics of obesity and metabolic diseases, its exact pathogenesis is not well defined...
July 14, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28710289/nutritional-modulation-of-metabolic-inflammation
#19
REVIEW
Anna M Kirwan, Yvonne M Lenighan, Marcella E O'Reilly, Fiona C McGillicuddy, Helen M Roche
Metabolic inflammation is a very topical area of research, wherein aberrations in metabolic and inflammatory pathways probably contribute to atherosclerosis, insulin resistance (IR) and type 2 diabetes. Metabolic insults arising from obesity promote inflammation, which in turn impedes insulin signalling and reverse cholesterol transport (RCT). Key cells in the process are metabolically activated macrophages, which up-regulate both pro- and anti-inflammatory pathways in response to lipid spillover from adipocytes...
August 15, 2017: Biochemical Society Transactions
https://www.readbyqxmd.com/read/28710147/dietary-guidelines-for-breast-cancer-patients-a-critical-review
#20
REVIEW
Ana Teresa Limon-Miro, Veronica Lopez-Teros, Humberto Astiazaran-Garcia
Current dietary guidelines for breast cancer patients (BCPs) fail to address adequate dietary intakes of macro- and micronutrients that may improve patients' nutritional status. This review includes information from the PubMed and Biomed Central databases over the last 15 y concerning dietary guidelines for BCPs and the potential impact of a personalized, nutrient-specific diet on patients' nutritional status during and after antineoplastic treatment. Results indicated that BCPs should receive a nutritional assessment immediately after diagnosis...
July 2017: Advances in Nutrition
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