scholarly journals High Physiological Omega-3 Fatty Acid Supplementation Affects Muscle Fatty Acid Composition and Glucose and Insulin Homeostasis in Obese Adolescents

2012 ◽  
Vol 2012 ◽  
pp. 1-9 ◽  
Author(s):  
Frida Dangardt ◽  
Yun Chen ◽  
Eva Gronowitz ◽  
Jovanna Dahlgren ◽  
Peter Friberg ◽  
...  
Keyword(s):  
Skeletal Muscle ◽  
Fatty Acids ◽  
Fatty Acid ◽  
Glucose Tolerance ◽  
Saturated Fatty Acids ◽  
Fasting Blood Glucose ◽  
Omega 3 ◽  
Intravenous Glucose ◽  
Obese Adolescents ◽  
Insulin Homeostasis

Obese adolescents have high concentrations of saturated fatty acids and low omega-3 long-chain polyunsaturated fatty acids (LCUFAs) in plasma phospholipids. We aimed to investigate effects of omega-3 LCPUFA supplementation to obese adolescents on skeletal muscle lipids and glucose and insulin homeostasis. Twenty-five obese adolescents (14–17 years old, 14 females) completed a randomized double-blind crossover study supplying capsules containing either 1.2 g omega-3 LCPUFAs or placebo, for 3 months each with a six-week washout period. Fasting blood glucose, insulin, leptin, adiponectin, and lipids were measured. Intravenous glucose tolerance test (IVGTT) and euglycemic-hyperinsulinemic clamp were performed, and skeletal muscle biopsies were obtained at the end of each period. The concentrations of EPA, DHA, and total omega-3 PUFA in muscle phospholipids increased in both sexes. In the females, omega-3 LCPUFA supplementation improved glucose tolerance by 39% (P=0.04) and restored insulin concentration by 34% (P=0.02) during IVGTT. Insulin sensitivity improved 17% (P=0.07). In males, none of these parameters was influenced by omega-3 supplementation. Thus, three months of supplementation of omega-3 LCPUFA improved glucose and insulin homeostasis in obese girls without influencing body weight.

EFFECT OF GINGER, LEMURU FISH OIL SAPONIFICATION AND OLIVE OIL ON COMPOSITION FATTY ACID OF BEEF

2014 ◽  
Vol 4 (1) ◽  
pp. 31-39
Author(s):  
Siwitri Kadarsih
Keyword(s):  
Fatty Acids ◽  
Fatty Acid ◽  
Fish Oil ◽  
Olive Oil ◽  
Rice Bran ◽  
Dry Matter ◽  
Unsaturated Fatty Acids ◽  
Saturated Fatty Acids ◽  
Omega 3 ◽  
Omega 6

The objective was to get beef that contain unsaturated fatty acids (especially omega 3 and 6), so as to improve intelligence, physical health for those who consume. The study design using CRD with 3 treatments, each treatment used 4 Bali cattle aged approximately 1.5 years. Observations were made 8 weeks. Pasta mixed with ginger provided konsentrat. P1 (control); P2 (6% saponification lemuru fish oil, olive oil 1%; rice bran: 37.30%; corn: 62.70%; KLK: 7%, ginger paste: 100 g); P3 (lemuru fish oil saponification 8%, 2% olive oil; rice bran; 37.30; corn: 62.70%; KLK: 7%, ginger paste: 200 g). Konsentrat given in the morning as much as 1% of the weight of the cattle based on dry matter, while the grass given a minimum of 10% of the weight of livestock observation variables include: fatty acid composition of meat. Data the analyzies qualitative. The results of the study showed that the composition of saturated fatty acids in meat decreased and an increase in unsaturated fatty acids, namely linoleic acid (omega 6) and linolenic acid (omega 3), and deikosapenta deikosaheksa acid.Keywords : 

scholarly journals Serum and erythrocyte membrane fatty acid levels may be used as biomarkers to assess the severity of NAFLD

2021 ◽  
pp. 12-22
Author(s):  
M. V. Kruchinina ◽  
M. V. Parulikova ◽  
S. A. Kurilovich ◽  
A. A. Gromov ◽  
M. V. Shashkov ◽  
...  
Keyword(s):  
Metabolic Syndrome ◽  
Fatty Acids ◽  
Fatty Acid ◽  
Blood Serum ◽  
Liver Damage ◽  
Saturated Fatty Acids ◽  
Erythrocyte Membranes ◽  
Omega 3 ◽  
Necroinflammatory Activity ◽  
Severe Fibrosis

The aim of this work is to study the possibility of using blood serum (BS) fatty acids (FA) and erythrocytes (ER) as diagnostic markers of the severity of NAFLD. Materials and methods. We examined 52 patients with NAFLD (51.8 ± 3.9 years), confirmed by the NLFS index, and 20 apparently healthy men (49.2 ± 4.5 years). The degree of liver fibrosis was established by indirect elastometry (FibroScan® 502 Echosens, France). 27 patients had an initial degree of fibrosis (F0-1), 25 had severe fibrosis (F2-4). The study of the composition of fatty acids of Er and BS was carried out using a GC / MS system based on three Agilent 7000B quadrupoles (USA). Results. Significant differences in the levels of fatty acids in blood serum and erythrocyte membranes in patients with NAFLD were revealed, associated with the degree of fibrosis and necroinflammatory activity. To distinguish between mild and severe fibrosis in NAFLD, the levels of saturated fatty acids (myristic, pentadecane, margarine) and omega-3 PUFAs (eicosapentaenoic, docosapentaenoic, docosahexaenoic) were found to be significant (p = 0.002-0.0003). Saturated and monounsaturated FAs (palmitelaidic, palmitoleic, vaccenic) played a key role in differentiating the degree of necroinflammatory activity (minimal versus pronounced) (p = 0.03-0.005). The created diagnostic panels (FA of blood serum and erythrocyte membranes) made it possible to differentiate patients with NAFLD with varying degrees of fibrosis. Correlations of FA levels in erythrocyte membranes and blood serum with manifestations of metabolic syndrome, indicators of liver damage in patients with NAFLD were revealed. Conclusions. The established differences in fatty acid profiles of blood serum and erythrocyte membranes in patients with NAFLD, associated with the degree of fibrosis, necroinflammatory activity, manifestations of metabolic syndrome and indicators of liver damage, should be considered as promising biomarkers for assessing the severity of NAFLD.

The fatty acid composition of grass silages

1998 ◽  
Vol 1998 ◽  
pp. 35-35 ◽  
Author(s):  
R.J. Dewhurst ◽  
P.J. King
Keyword(s):  
Fatty Acids ◽  
Fatty Acid Composition ◽  
Fatty Acid ◽  
Linolenic Acid ◽  
Saturated Fatty Acids ◽  
Fish Oils ◽  
Omega 3 ◽  
Human Diet ◽  
Omega 3 Fatty Acid ◽  
Grass Silage

Ruminant products have been criticised for the possible adverse effects of their saturated fatty acids on human health. Conversely, the omega-3 polyunsaturated fatty acids, notably those in fish oils, have been identified as beneficial components of the human diet. Earlier studies have shown that a small, but useful, amount of forage α-linolenic acid (C18:3), an omega-3 fatty acid, appears in ruminant products (Wood and Enser, 1996). The objective of the current work was to evaluate the range of α-linolenic acid concentrations in laboratory grass silages in order to assess the opportunities to modify ensiling techniques to increase the natural delivery of omega-3 fatty acid from grass silage to milk or meat.

Determination of proximate composition and fatty acid profiles of Astacus leptodactylus Eschscholtz, 1823 in Turkish freshwater resources

Crustaceana ◽  
2016 ◽  
Vol 89 (10) ◽  
pp. 1135-1147 ◽  
Author(s):  
Abdullah Öksüz ◽  
Yavuz Mazlum
Keyword(s):  
Fatty Acids ◽  
Fatty Acid ◽  
Saturated Fatty Acids ◽  
Nutrient Content ◽  
Living Environment ◽  
Omega 3 ◽  
Astacus Leptodactylus ◽  
Meat Yield ◽  
Single Fatty Acid ◽  
High Level

This research was conducted to evaluate the nutrient content ofAstacus leptodactylusin various populations in the lakes Iznik and Egirdir, as well as in Hirfanlı Dam Lake and Keban Dam Lake, all in Turkey. Crayfish meat yield ranged from a minimum of 11.3% to a maximum of 16.3% of wet weight in specimens from Keban and Iznik, respectively. Meat yield was significantly different, depending on the living environment. The protein content of the meat ofA. leptodactylusranged from 15.4 to 17.5%. The moisture content of crayfish was significantly lower in the high lipid containing Iznik Lake’s crayfish. Crayfish lipids were poor in saturated fatty acids, but rich in PUFA’s and in particular EPA, DHA and ARA. In all groups, the major saturated fatty acids were palmitic acid, stearic acid and myristic acid. Among the omega-6 fatty acid series, a high level of ARA was observed in crayfish meat.EPA may be considered as the major omega-3 fatty acid in crayfish lipids. There was no single fatty acid indicating regional differences in crayfish specimens.

Effect of animal age and gender on fatty acid and elemental composition in Austrian beef applicable for authentication purposes

2013 ◽  
Vol 67 (3) ◽  
Author(s):  
Adriána Bednárová ◽  
Ján Mocák ◽  
Walter Gössler ◽  
Margit Velik ◽  
Josef Kaufmann ◽  
...  
Keyword(s):  
Fatty Acids ◽  
Fatty Acid ◽  
Elemental Composition ◽  
Unsaturated Fatty Acids ◽  
Saturated Fatty Acids ◽  
Fatty Acid Content ◽  
Principal Component ◽  
Omega 3 ◽  
Age And Gender ◽  
And Gender

AbstractThe main aim of the present study was to find differences in the content of fatty acids and variations in elemental composition in beef samples of longissimus dorsi muscle related to cattle age and gender. A further goal was to describe interrelations among the selected variables (descriptors) characterising the samples. For this purpose, an extensive data table was compiled, which contains chemical descriptors specifying forty-six beef samples originating from four well-known Austrian grassland-based beef labels. The following descriptors were investigated: (a) concentrations of 33 fatty acids, (b) concentrations of 19 elements, (c) contents of dry-mass, protein, intramuscular fat, and ash, (d) total content of saturated fatty acids (SFA), mono-unsaturated fatty acids (MUFA), and poly-unsaturated fatty acids (PUFA), (e) total contents of omega-3 (n-3) and omega-6 (n-6) PUFA and their ratio. The correlation analysis provided a number of statistically significant correlations among the descriptors, which were concordant with the results of the principal component analysis and cluster analysis. Furthermore, the effect of age and gender of cattle (both acting as target factors) on the fatty acid content and elemental composition of beef was examined by analysis of variance (ANOVA) and appropriate non-parametric tests. Several important interrelations among the beef characteristics investigated were also discovered. Finally, the most relevant beef descriptors were utilised in linear discrimination analysis (LDA) for predicting the slaughter age of the cattle for beef authentication.

scholarly journals Genetic and Nutritional Factors Determining the Production and Quality of Sheep Meat – A Review

2017 ◽  
Vol 17 (1) ◽  
pp. 23-40 ◽  
Author(s):  
Jan Knapik ◽  
Katarzyna Ropka-Molik ◽  
Marek Pieszka
Keyword(s):  
Fatty Acids ◽  
Fatty Acid ◽  
Fatty Acid Profile ◽  
Saturated Fatty Acids ◽  
Meat Production ◽  
Quality Traits ◽  
Omega 3 ◽  
Nutritional Factors ◽  
Expression Of Genes

Abstract In the last 20 years, the importance of sheep and especially lamb meat as the main product of the sheep industry in European conditions increased noticeably. In the same period, people’s interest in food quality grew. This contributed to a significant intensification of research to improve the meat production and quality traits in sheep. The aim of the research performed mainly focuses on the effects of nutrition, the environmental and genetic factors on the value of fattening, slaughter and meat quality characteristics. Much of the research concentrates on determining the fatty acid profile of intramuscular fat, which is important for sensory traits and dietetic value of lamb. Modulation of healthy qualities of lamb is aimed, inter alia, to modify the fatty acid profile, in particular to maintain the proper ratio of polyunsaturated (PUFA ) to saturated fatty acids (SFA). It is also desirable to increase the content of omega-3 fatty acids and conjugated linoleic acid (CLA). Furthermore, it has been proven that changes in the expression of genes involved in lipid metabolism are associated with the change in lipid profile in skeletal muscle. The aim of this review was to summarize the information currently available about the influence of genetic and nutritional factors on meat production and quality traits in different sheep breeds.

scholarly journals Adipose Tissue Modification through Feeding Strategies and Their Implication on Adipogenesis and Adipose Tissue Metabolism in Ruminants

2020 ◽  
Vol 21 (9) ◽  
pp. 3183
Author(s):  
Olaia Urrutia ◽  
José Antonio Mendizabal ◽  
Leopoldo Alfonso ◽  
Beatriz Soret ◽  
Kizkitza Insausti ◽  
...  
Keyword(s):  
Fatty Acids ◽  
Adipose Tissue ◽  
Fatty Acid ◽  
Lipid Metabolism ◽  
Saturated Fatty Acids ◽  
Feeding Strategies ◽  
Omega 3 ◽  
Dietary Recommendations ◽  
Dietary Pufa ◽  
Pufa Supplementation

Dietary recommendations by health authorities have been advising of the importance of diminishing saturated fatty acids (SFA) consumption and replacing them by polyunsaturated fatty acids (PUFA), particularly omega-3. Therefore, there have been efforts to enhance food fatty acid profiles, helping them to meet human nutritional recommendations. Ruminant meat is the major dietary conjugated linoleic acid (CLA) source, but it also contains SFA at relatively high proportions, deriving from ruminal biohydrogenation of PUFA. Additionally, lipid metabolism in ruminants may differ from other species. Recent research has aimed to modify the fatty acid profile of meat, and other animal products. This review summarizes dietary strategies based on the n-3 PUFA supplementation of ruminant diets and their effects on meat fatty acid composition. Additionally, the role of n-3 PUFA in adipose tissue (AT) development and in the expression of key genes involved in adipogenesis and lipid metabolism is discussed. It has been demonstrated that linseed supplementation leads to an increase in α-linolenic acid (ALA) and eicosapentaenoic acid (EPA), but not in docosahexaenoic acid (DHA), whilst fish oil and algae increase DHA content. Dietary PUFA can alter AT adiposity and modulate lipid metabolism genes expression, although further research is required to clarify the underlying mechanism.

The fatty acid composition of grass silages

1998 ◽  
Vol 1998 ◽  
pp. 35-35
Author(s):  
R.J. Dewhurst ◽  
P.J. King
Keyword(s):  
Fatty Acids ◽  
Fatty Acid Composition ◽  
Fatty Acid ◽  
Linolenic Acid ◽  
Saturated Fatty Acids ◽  
Fish Oils ◽  
Omega 3 ◽  
Human Diet ◽  
Omega 3 Fatty Acid ◽  
Grass Silage

Ruminant products have been criticised for the possible adverse effects of their saturated fatty acids on human health. Conversely, the omega-3 polyunsaturated fatty acids, notably those in fish oils, have been identified as beneficial components of the human diet. Earlier studies have shown that a small, but useful, amount of forage α-linolenic acid (C18:3), an omega-3 fatty acid, appears in ruminant products (Wood and Enser, 1996). The objective of the current work was to evaluate the range of α-linolenic acid concentrations in laboratory grass silages in order to assess the opportunities to modify ensiling techniques to increase the natural delivery of omega-3 fatty acid from grass silage to milk or meat.

scholarly journals Analysis of Fatty Acid Composition in Chicken Fast Foods of Dhaka City

2019 ◽  
Vol 43 (1) ◽  
pp. 39-45
Author(s):  
Mahmudur Rahman ◽  
Bidhan Chandra Paul ◽  
Ayesha Sharmin ◽  
Mohammad Lokman Hossain ◽  
Subrata Chandra Roy ◽  
...  
Keyword(s):  
Fatty Acids ◽  
Fatty Acid Composition ◽  
Fatty Acid ◽  
Acid Composition ◽  
Trans Fatty Acid ◽  
Fast Food ◽  
Saturated Fatty Acids ◽  
Food Samples ◽  
Omega 3 ◽  
Omega 6

Fatty acid composition in chicken fast food was analyzed by attenuated total reflectance-Fourier transform infrared (ATR-FTIR) spectroscopy and gas chromatography-flame ionization detector (GC-FID). Saturated fatty acids (SFA), monounsaturated fatty acids (MUFA) and polyunsaturated fatty acids (PUFA) have been found in various amounts in the fast food samples. None of the fast food samples contain trans fatty acid. Chicken Winglet (A) and Chicken Hot Wings (B) have higher amount of saturated fatty acids (SFA) which are 28.73% and 25.92% respectively. The amount of saturated fatty acids (SFA) in Chicken Drumst (C), Chicken Botik (D), Fiery Grilled Chicken (E), Chicken Meatballs (F), and Chicken Nuggets (G) are in between 10.94-19.38%. The saturated fatty acids found in the fast food samples are palmitic acid, stearic acid, and myristic acid. Highest amount of linoleic acid (omega-6, 18.90%) was found in Chicken Meatballs (F). The ratio of omega-6 and omega-3 in sample D was 2.32:1 which is in the acceptable range. Although trans fatty acid was not found in the samples, presence of more than 10% saturated fatty acids in chicken fast food is still harmful for health as it may increase risk of cardiovascular disease (CVD). Journal of Bangladesh Academy of Sciences, Vol. 43, No. 1, 39-45, 2019

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