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https://www.readbyqxmd.com/read/29227826/enhancement-of-the-lipid-productivity-and-fatty-acid-methyl-ester-profile-of-chlorella-vulgaris-by-two-rounds-of-mutagenesis
#1
Ehsan Sarayloo, Salim Simsek, Yigit Sabri Unlu, Gul Cevahir, Can Erkey, Ibrahim Halil Kavakli
In this study, we applied a second round of random mutagenesis using ethyl methanesulfonate to further increase the lipid productivity of a Chlorella vulgaris mutant strain. We generated a mutant (UV715-EMS25) with a lipid content and biomass that were respectively 67% and 35% higher than those of the wild type (WT). The highest achieved lipid productivity in UV715-EMS25 was 91 mg L-1 day-1. Gas chromatography-mass spectrophotometric analysis revealed that the fatty acid methyl ester content of the mutant was 3...
December 2, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/29224879/plant-oil-supplements-reduce-methane-emissions-and-improve-milk-fatty-acid-composition-in-dairy-cows-fed-grass-silage-based-diets-without-affecting-milk-yield
#2
A R Bayat, I Tapio, J Vilkki, K J Shingfield, H Leskinen
Four lipid supplements varying in chain length or degree of unsaturation were examined for their effects on milk yield and composition, ruminal CH4 emissions, rumen fermentation, nutrient utilization, and microbial ecology in lactating dairy cows. Five Nordic Red cows fitted with rumen cannulas were used in a 5 × 5 Latin square with five 28-d periods. Treatments comprised total mixed rations based on grass silage with a forage-to-concentrate ratio of 60:40 supplemented with no lipid (CO) or 50 g/kg of diet dry matter (DM) of myristic acid (MA), rapeseed oil (RO), safflower oil (SO), or linseed oil (LO)...
December 7, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29211883/carcass-characteristics-meat-quality-and-fatty-acid-composition-of-wild-living-mallards-anas-platyrhynchos-l
#3
P Janiszewski, D Murawska, V Hanzal, M Gesek, D Michalik, M Zawacka
The aim of this study was to determine the carcass characteristics, meat quality, and fatty acid composition of wild-living mallards. The experimental materials comprised 30 mallards (1:1 sex ratio) harvested during the hunting season in northeastern Poland. The carcasses were transported to the laboratory where they were weighed individually, plucked, dressed, and dissected. The proximate chemical composition and physicochemical properties of meat and the fatty acid profile of breast muscle lipids were determined, and a histological analysis was performed...
December 2, 2017: Poultry Science
https://www.readbyqxmd.com/read/29211867/effects-of-corn-dried-distillers-grains-with-solubles-on-performance-egg-quality-yolk-fatty-acid-composition-and-oxidative-status-in-laying-ducks
#4
D Ruan, A M Fouad, Q L Fan, W Chen, W G Xia, S Wang, Y Y Cui, Y Wang, L Yang, C T Zheng
The study investigated the effects of increasing content of corn distillers' dried grains with solubles (DDGS) in the diets of laying ducks on oxidative status, laying performance, egg quality, and egg yolk fatty acid composition. Longyan females (1080) with similar BW at 17 wk of age were randomly assigned to 6 treatment groups, each consisting of 6 replicates of 30 birds. The basal diet (I) was a typical corn-soybean ration while the experimental diets (II to VI) substituted corn DDGS for soybean meal and wheat bran and a small reduction of corn...
November 29, 2017: Poultry Science
https://www.readbyqxmd.com/read/29203476/ucp1-deficiency-increases-adipose-tissue-monounsaturated-fatty-acid-synthesis-and-trafficking-to-the-liver
#5
Laura M Bond, James M Ntambi
Uncoupling protein-1 (UCP1) facilitates thermogenesis in brown and beige adipocytes and can promote energy expenditure by decreasing mitochondrial respiratory efficiency. Defects in UCP1 and brown adipose tissue thermogenesis subject animals to chronic cold stress and elicit compensatory responses to generate heat. How UCP1 regulates white adipose tissue (WAT) lipid biology and tissue crosstalk is not completely understood. Here, we probe the effect of UCP1 deficiency on fatty acid metabolism in inguinal and epididymal WAT and investigate how these metabolic perturbations influence hepatic lipid homeostasis...
December 3, 2017: Journal of Lipid Research
https://www.readbyqxmd.com/read/29199859/nutrient-intake-and-factors-influencing-eating-behaviors-in-older-migrant-women-living-in-the-united-kingdom
#6
Diana Castaneda-Gameros, Sabi Redwood, Janice L Thompson
This study examines nutrient intake and factors influencing eating behaviors in a sample of 76 migrant older women (≥ 60 years) living in the UK. Nutrient intake was assessed using a 24-hr recall enhanced by an in-depth probing dietary interview. Median energy intake was significantly lower than the UK RNIs (5,125.4 v. 7,301.1 kJ/d, p < .001). Main nutrients of concern were retinol, vitamin D, magnesium, potassium, copper, selenium, and monounsaturated fatty acids. Semistructured interviews were conducted with a subsample (n = 46) and analyzed using thematic analysis...
December 4, 2017: Ecology of Food and Nutrition
https://www.readbyqxmd.com/read/29197777/screening-and-comparative-metabolic-profiling-of-high-lipid-content-microalgae-strains-for-application-in-wastewater-treatment
#7
A V Piligaev, K N Sorokina, M V Shashkov, V N Parmon
New strains of green microalgae were isolated and screened for growth and the production of lipids from municipal wastewater. It was shown that the strain Micractinium sp. IC-76 has a biomass productivity of 37.18 ± 4.12 mg L-1 d-1 and a lipid content of 36.29 ± 0.11%, with a total content of saturated and monounsaturated fatty acids of 71.9%. The efficiency of nitrogen (N-NH4) and phosphorus (P-PO4) removal was 96.4 ± 0.7 and 77.8 ± 5.6%, respectively. The metabolic differences at the exponential and stationary phases of growth between the closely related strains with different patterns of lipid accumulation were revealed via gas chromatography mass spectrometry metabolic profiling...
November 23, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/29192407/de-novo-lipogenesis-and-desaturation-of-fatty-acids-during-adipogenesis-in-bovine-adipose-derived-mesenchymal-stem-cells
#8
Yongli Yue, Lichun Zhang, Xiang Zhang, Xueling Li, Haiquan Yu
Adipose-derived mesenchymal stem cells (ADSCs) are useful cell model to study adipogenesis and energy metabolism. However, the biological characteristics of bovine ADSCs (bADSCs) remain unclear. This study aimed to isolate and identify bADSCs and further investigate fatty acid (FA)-related gene expression and composition of FAs during adipogenesis. The growth curve showed the bADSCs of P5 cells had rapid proliferation superior to P10-P50. The colony formation assay showed colony number of P5 cells was higher than that of P50 cells (51...
November 30, 2017: In Vitro Cellular & Developmental Biology. Animal
https://www.readbyqxmd.com/read/29188876/association-of-cortical-%C3%AE-amyloid-with-erythrocyte-membrane-monounsaturated-and-saturated-fatty-acids-in-older-adults-at-risk-of-dementia
#9
C Hooper, P De Souto Barreto, P Payoux, A S Salabert, S Guyonnet, S Andrieu, S Sourdet, J Delrieu, B Vellas
OBJECTIVES: We examined the relationships between erythrocyte membrane monounsaturated fatty acids (MUFAs) and saturated fatty acids (SFAs) and cortical β-amyloid (Aβ) load in older adults reporting subjective memory complaints. DESIGN: This is a cross-sectional study using data from the Multidomain Alzheimer Preventive Trial (MAPT); a randomised controlled trial. SETTING: French community dwellers aged 70 or over reporting subjective memory complaints, but free from a diagnosis of clinical dementia...
2017: Journal of Nutrition, Health & Aging
https://www.readbyqxmd.com/read/29186813/chemical-profiling-and-bioactivity-of-body-wall-lipids-from-strongylocentrotus-droebachiensis
#10
(no author information available yet)
The lipids from gonads and polyhydroxynaphthoquinone pigments from body walls of sea urchins are intensively studied. However, little is known about the body wall (BW) lipids. Ethanol extract (55 °C) contained about equal amounts of saturated (SaFA) and monounsaturated fatty acids (MUFA) representing 60% of total fatty acids, with myristic, palmitic and eicosenoic acids as major SaFAs and MUFAs, respectively. Non-methylene-interrupted dienes (13%) were composed of eicosadienoic and docosadienoic acids. Long-chain polyunsaturated fatty acids (LC-PUFA) included two main components, n6 arachidonic and n3 eicosapentaenoic acids, even with equal concentrations (15 μg/mg) and a balanced n6/n3 PUFA ratio (0...
November 24, 2017: Marine Drugs
https://www.readbyqxmd.com/read/29186761/characterization-of-a-sea-buckthorn-extract-and-its-effect-on-free-and-encapsulated-lactobacillus-casei
#11
(no author information available yet)
Probiotics are bacteria that can provide health benefits to consumers and are suitable to be added to a variety of foods. In this research, viability of immobilized Lactobacillus casei in alginate with or without sea buckthorn lipid extract were studied during heat treatment and with an in vitro gastrointestinal model. The characterization of the lipid extract was also done using the UV-Vis spectrometry (UV-Vis), high-performance liquid chromatography photodiode array detection method (HPLC-PDA), gas chromatography coupled with mass spectrometry (GS-MS) and Cryo scanning electron microscopy (Cryo-SEM)...
November 24, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29181015/an-extended-approach-to-quantify-triacylglycerol-in-microalgae-by-characteristic-fatty-acids
#12
Miao Yang, Yan Fan, Pei-Chun Wu, Ya-Dong Chu, Pei-Li Shen, Song Xue, Zhan-You Chi
Microalgae represent a third generation biofuel feedstock due to their high triacylglycerol (TAG) content under adverse environmental conditions. Microalgal TAG resides in a single cell and serves as a lipid class mixed with complicated compositions. We previously showed that TAG possessed characteristic fatty acids (CFAs) for quantification and was linearly correlated with the relative abundance of CFA within certain limits in microalgae. Here, we defined the application range of the linear correlation between TAG and CFA in the oleaginous microalgae Chlamydomonas reinhardtii and Phaeodactylum tricornutum...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29180108/palmitate-induces-neuroinflammation-er-stress-and-pomc-mrna-expression-in-hypothalamic-mhypoa-pomc-gfp-neurons-through-novel-mechanisms-that-are-prevented-by-oleate
#13
Erika K Tse, Denise D Belsham
Dietary fats can modulate brain function. How free fatty acids (FFAs) alter hypothalamic pro-opiomelanocortin (POMC) neurons remain undefined. The saturated FFA, palmitate, increased neuroinflammatory and ER stress markers, as well as Pomc mRNA levels, but did not affect insulin signaling, in mHypoA-POMC/GFP-2 neurons. This effect was mediated through the MAP kinases JNK and ERK. Further, the increase in Pomc was dependent on palmitoyl-coA synthesis, but not de novo ceramide synthesis, as inhibition of SPT enhanced palmitate-induced Pomc expression, while methylpalmitate had no effect...
November 24, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/29174319/different-dietary-patterns-and-new-onset-diabetes-mellitus-after-kidney-transplantation-a-cross-sectional-study
#14
Analaura Centenaro, Elis F Pedrollo, Bruna B Nicoletto, Roberto C Manfro, Luiz Felipe S Gonçalves, Cristiane B Leitão, Gabriela C Souza
OBJECTIVE: To verify the association of dietary patterns and dietary components with new-onset diabetes mellitus after transplantation (NODAT). DESIGN: Cross-sectional study. SUBJECTS: Adult kidney transplant recipients, without history of diabetes before transplantation, who received a kidney transplant and were followed up for at least 1 year. One hundred and sixteen subjects recruited between January 2013 and August 2014. Diagnosis of NODAT was established according to the American Diabetes Association criteria for type 2 diabetes...
November 21, 2017: Journal of Renal Nutrition
https://www.readbyqxmd.com/read/29172255/relationship-between-deterioration-of-hba1c-lowering-effects-in-dpp-4-inhibitor-monotherapy-and-dietary-habits-retrospective-analysis-of-japanese-individuals-with-type-2-diabetes
#15
Hitoshi Kuwata, Saki Okamoto, Yusuke Seino, Kenta Murotani, Hisato Tatsuoka, Ryota Usui, Yoshiyuki Hamamoto, Takeshi Kurose, Yutaka Seino, Daisuke Yabe
This study was designed to assess possible relationships between deterioration of the HbA1c-lowering effects in dipeptidyl peptidase-4 inhibitor (DPP4i) monotherapy and macronutrient intake among individuals with type 2 diabetes (T2D). T2D individuals who began and continued DPP4i monotherapy without any prescription change for 1 year were retrospectively stratified into two groups: patients who maintained their HbA1c levels during the 0.5- to 1-year period after DPP4i initiation [Group A, ΔHbA1c (1-0.5 year)<0...
November 24, 2017: Journal of Diabetes Investigation
https://www.readbyqxmd.com/read/29170641/endothelial-function-in-healthy-young-individuals-is-associated-with-dietary-consumption-of-saturated-fat
#16
Elisabeth A Lambert, Sarah Phillips, Regina Belski, Ainura Tursunalieva, Nina Eikelis, Carolina I Sari, John B Dixon, Nora Straznicky, Mariee Grima, Geoffrey A Head, Markus Schlaich, Gavin W Lambert
Background: A diet rich in fat, in particular saturated fat (SF), may be linked to cardiovascular disease development, possibly due to a detrimental effect of fat on endothelial function (EF). Objective: We aimed to determine whether the habitual SF intake [as a ratio to total fat (the sum of saturated, polyunsaturated, and monounsaturated fat)] might influence endothelial function in young, overweight but otherwise healthy adults. Design: Sixty-nine young adults (49 males, mean age: 23 ± 1 years, mean BMI: 29...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/29169396/apolipoprotein-e-gene-polymorphism-modifies-fasting-total-cholesterol-concentrations-in-response-to-replacement-of-dietary-saturated-with-monounsaturated-fatty-acids-in-adults-at-moderate-cardiovascular-disease-risk
#17
Israa M Shatwan, Michelle Weech, Kim G Jackson, Julie A Lovegrove, Karani S Vimaleswaran
BACKGROUND: Consumption of ≤10% total energy from fat as saturated fatty acids (SFA) is recommended for cardiovascular disease risk reduction in the UK; however there is no clear guidance on the optimum replacement nutrient. Lipid-associated single-nucleotide polymorphisms (SNPs) have been shown to modify the lipid responses to dietary fat interventions. Hence, we performed a retrospective analysis in 120 participants from the Dietary Intervention and VAScular function (DIVAS) study to investigate whether lipoprotein lipase (LPL) and apolipoprotein E (APOE) SNPs modify the fasting lipid response to replacement of SFA with monounsaturated (MUFA) or n-6 polyunsaturated (PUFA) fatty acids...
November 23, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/29168866/chemical-composition-and-bioactive-properties-of-the-wild-mushroom-polyporus-squamosus-huds-fr-a-study-with-samples-from-romania
#18
Andrei Mocan, Ângela Fernandes, Lillian Barros, Gianina Crişan, Marija Smiljković, Marina Soković, Isabel C F R Ferreira
In Eastern Europe, wild mushrooms are widely collected in mountain areas and used for their medicinal properties or as healthy foods. This study aimed at determining the chemical composition (nutritional value, free sugars, organic acids, phenolic compounds, fatty acids and tocopherols) and bioactive properties (antioxidant, antimicrobial and antiquorum sensing) of wild Polyporus squamosus (Huds.) Fr from Romania. The results indicate that the fruiting bodies of P. squamosus are rich in carbohydrates (74.22 g per 100 g dw) and proteins (18...
November 23, 2017: Food & Function
https://www.readbyqxmd.com/read/29167527/the-effects-of-diets-enriched-in-omega-3-polyunsaturated-fatty-acids-on-systemic-vaccinia-virus-infection
#19
Gwendolyn J B Jones, Rachel L Roper
Omega-3 polyunsaturated fatty acids (PUFA, n-3 fatty acids), the key components of fish and flaxseed oils, are increasingly consumed by the public because of their potential health benefits and are available by prescription for hypertriglyceridemia. However, numerous studies have shown that these compounds are immunoregulatory and immunosuppressive and thus may increase susceptibility to infection. In this study, we tested the effects of the amount of fat and the types of fatty acid in the diet on infection by vaccinia virus, an acute infection that begins in the respiratory tract and spreads by viremia to internal organs...
November 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29165404/benefits-of-nut-consumption-on-insulin-resistance-and-cardiovascular-risk-factors-multiple-potential-mechanisms-of-actions
#20
REVIEW
Yoona Kim, Jennifer B Keogh, Peter M Clifton
Epidemiological and clinical studies have indicated that nut consumption could be a healthy dietary strategy to prevent and treat type 2 diabetes (T2DM) and related cardiovascular disease (CVD). The objective of this review is to examine the potential mechanisms of action of nuts addressing effects on glycemic control, weight management, energy balance, appetite, gut microbiota modification, lipid metabolism, oxidative stress, inflammation, endothelial function and blood pressure with a focus on data from both animal and human studies...
November 22, 2017: Nutrients
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