Feeding flaxseed enhances deposition of omega-3 fatty acids in broiler meat portions in different manner

2010 ◽  
Vol 90 (2) ◽  
pp. 203-206 ◽  
Author(s):  
W. Jia ◽  
A. Rogiewicz ◽  
H L Bruce ◽  
B A Slominski

Feeding a diet containing 12% flaxseed for 36 d significantly increased the n-3 fatty acid deposition in broiler meat. Based on this study, consuming 100 g of such fatty acid-enriched breast meat, whole leg or wing, a total of 0.2, 1.6 and 2.0 g of n-3 fatty acids, including 10.4, 20.3 and 25.3 mg of docosahexaenoic acid, respectively, would be provided by each portion, which offers consumers an alternative to enhance their daily n-3 fatty acid intake.Key words: Flaxseed, n-3 fatty acid, broiler chicken


2009 ◽  
Vol 2009 ◽  
pp. 230-230
Author(s):  
S A Mirghelenj ◽  
A Golian ◽  
V Taghizadeh

N-3 fatty acids are essential for normal growth and development, and may play an important role in prevention of coronary artery disease, hypertension, diabetes, arthritis, other inflammatory and autoimmune disorders and cancer in humans (Simopoulos, 1999). Fatty acid profiles of broiler meat may be modified by adding fish oils to the diet (Lopez-Ferrer et al., 2001). When meat is enriched with PUFA, particularly n-3 long-chain fatty acids (C≥20), all sources of added vegetable oils seem to be less effective than marine oils (Bou. R et al., 2004). The purpose of this experiment was to study the effect of dietary fish oil on fatty acid composition of thigh and breast meat in broiler chickens.



2007 ◽  
Vol 4 (2) ◽  
pp. 71-78 ◽  
Author(s):  
A D Woodward ◽  
B D Nielsen ◽  
C I O'Connor ◽  
C D Skelly ◽  
S K Webel ◽  
...  

AbstractTwelve mature and six 2-year-old Arabian horses were used to determine the effect of dietary long-chain polyunsaturated omega-3 fatty acid supplementation on plasma fatty acids and lameness. Lameness scores and stride lengths were measured on day 0. Horses were striated and pair-matched according to age, gender, stride length and, for mature horses, lameness score, and each horse was fed either a treatment diet containing 5.95 g of stabilized omega-3 fatty acids plus a fat carrier (FA), for a total of 19.4 g fat, or a control diet containing 49 g of corn oil (CO) for 75 days. Horses were exercised 5 d week− 1, and blood samples were drawn and body weights recorded on days 0, 25, 50 and 75. Lameness scores and stride lengths were recorded again on day 75. Total plasma omega-3 fatty acid concentrations were higher on all days in FA horses than in CO horses. Total plasma omega-6 fatty acids increased from days 0 to 25, remained elevated through day 50 and returned to baseline on day 75 in all horses. The ratio of plasma omega-6:omega-3 fatty acids was lower in FA horses. Horses on FA had increased plasma docosahexaenoic acid (DHA) on days 25, 50 and 75. No difference in walk stride length was noted; however, FA horses tended to have a longer trot stride after supplementation when compared with CO horses. No differences were seen in prostaglandin E2 (PGE2) metabolite or tumour necrosis factor-α as measured in blood serum. In summary, supplementing omega-3 fatty acids increases plasma DHA, although there was no overall increase in omega-3 in FA horses. While a trend to increase trot stride length was seen, no differences in lameness scores between treatments were noted.



1988 ◽  
Vol 68 (2) ◽  
pp. 533-547 ◽  
Author(s):  
H. W. HULAN ◽  
F. G. PROUDFOOT ◽  
R. G. ACKMAN ◽  
W. M. N. RATNAYAKE

Arbor Acre broiler chickens were fed six different diets to determine if the omega-3 fatty acid content of broiler chicken carcasses could be enhanced by feeding additional redfish meal (RFM) or redfish oil (RFO). The six diets were: control (no fish meal or fish oil); 7.5% RFM, 15.0% RFM, 30.0% RFM, 2.1% RFO and 4.2% RFO. Mortality at 28 d and 42 d was lower (P < 0.05) for birds fed RFO compared to those fed RFM. Feeding additional RFM or RFO had no (P > 0.05) effect on mortality, but resulted in lower body weights (P < 0.01) and feed consumption (P < 0.05) and poorer (P < 0.05) feed conversion. Additions of RFM or RFO to the diets resulted in a substantial dietary enrichment of omega-3 fatty acids (especially eicosapentaenoic acid, EPA or 20:5n-3; and docosahexaenoic acid, DHA or 22:6n-3). Analyses (wt/wt %) revealed that breast meat was lower (P < 0.001) in lipid and triglyceride but higher in cholesterol esters (P < 0.005), free cholesterol (P < 0.001) and phospholipid (P < 0.001) than thigh meat. Lipid, free cholesterol and phospholipid of edible meat lipid increased with duration of feeding (14 d, 28 d, 42 d) but triglyceride content decreased. Dietary treatment had no effect (P > 0.05) on carcass lipid content or composition. Breast meat lipid contained more (P < 0.001) of the omega-3 fatty acids (especially EPA and DHA), more n-3 docosapentaenoic acid (DPA or 22:5n-3) and more total n-3 polyunsaturated fatty acid (n-3 PUFA) than thigh meat lipids. EPA, DPA, DHA and total n-3 PUFA in edible meat lipids increased (P < 0.05) with duration of feeding. Feeding additional RFM and RFO resulted in an increased accumulation of the EPA (P < 0.001), DPA (P < 0.01), DHA (P < 0.01) and total n-3 PUFA (P < 0.001), primarily at the expense of the omega-6 fatty acids linoleic (18:2n-6) and arachidonic (20:4n-6). It can be calculated from the data presented that on average a normal meal (100 g) of chicken which has been fed 7.5% fish meal, would contribute 140 mg of omega-3 fatty acids (EPA + DPA + DHA). The same size meal of cod flesh would contribute about 135 mg of these fatty acids. Key words: Broiler chickens, breast, thigh, redfish meal, eicosapentaenoic acid, omega-3 fatty acids



Foods ◽  
2021 ◽  
Vol 10 (8) ◽  
pp. 1811
Author(s):  
Ella Aitta ◽  
Alexis Marsol-Vall ◽  
Annelie Damerau ◽  
Baoru Yang

Baltic herring (Clupea harengus membras) is one of the most abundant commercially caught fish species from the Baltic Sea. Despite the high content of fat and omega-3 fatty acids, the consumption of Baltic herring has decreased dramatically over the last four decades, mostly due to the small sizes and difficulty in processing. At the same time there is an increasing global demand for fish and fish oil rich in omega-3 fatty acids. This study aimed to investigate enzyme-assisted oil extraction as an environmentally friendly process for valorizing the underutilized fish species and by-products to high quality fish oil for human consumption. Three different commercially available proteolytic enzymes (Alcalase®, Neutrase® and Protamex®) and two treatment times (35 and 70 min) were investigated in the extraction of fish oil from whole fish and by-products from filleting of Baltic herring. The oil quality and stability were studied with peroxide- and p-anisidine value analyses, fatty acid analysis with GC-FID, and volatile compounds with HS-SPME-GC-MS. Overall, longer extraction times led to better oil yields but also increased oxidation of the oil. For whole fish, the highest oil yields were from the 70-min extractions with Neutrase and Protamex. Protamex extraction with 35 min resulted in the best fatty acid composition with the highest content of eicosapentaenoic acid (EPA; 20:5n-3) and docosahexaenoic acid (DHA; 22:6n-3) but also increased oxidation compared to treatment with other enzymes. For by-products, the highest oil yield was obtained from the 70-min extraction with Protamex without significant differences in EPA and DHA contents among the oils extracted with different enzymes. Oxidation was lowest in the oil produced with 35-min treatment using Neutrase and Protamex. This study showed the potential of using proteolytic enzymes in the extraction of crude oil from Baltic herring and its by-products. However, further research is needed to optimize enzymatic processing of Baltic herring and its by-products to improve yield and quality of crude oil.



2015 ◽  
Vol 22 (3) ◽  
pp. 153-162 ◽  
Author(s):  
Juçara X. Zaparoli ◽  
Eduardo K. Sugawara ◽  
Altay A.L. de Souza ◽  
Sérgio Tufik ◽  
José Carlos F. Galduróz

Background: High oxidative stress, which is caused by smoking, can alter omega-3 fatty acid concentrations. Since omega-3 fatty acids play a role in dopaminergic neurotransmission related to dependence, it is important to understand their effects on nicotine dependence. Methods: This research comprised 2 studies. The first one consisted of a cross-sectional evaluation, in which the levels of the most important omega-3 fatty acids, eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), were compared between smokers and non-smokers in a sample of 171 individuals; of them, 120 were smokers and 51 were non-smokers. The other study was a clinical, double-blind, randomized, placebo controlled, in which 63 smokers received daily treatment with capsules of fish oil (a source of omega-3/3 g/day) or mineral oil (used as placebo, also 3 g/day), taken 3 times a day for 90 days. Each fish oil capsules contained approximately 210.99 mg EPA and 129.84 mg of DHA. The outcome was evaluated by means of psychometric and biological measures as well as self-reports of tobacco use. The evaluations were carried out at the beginning of treatment and once a month thereafter (total of 4 times). Outcomes: The omega-3 fatty acid lipid profile showed that smokers present lower concentrations of DHA. After treatment, the omega-3 group showed a significant reduction in their levels of dependence. Interpretation: Smokers showed lower peripheral levels of omega-3, and treatment with the most important omega-3 fatty acids brought about a reduction in nicotine dependence.



Circulation ◽  
2014 ◽  
Vol 129 (suppl_1) ◽  
Author(s):  
Claire Newlon ◽  
Matthew Muldoon ◽  
Susan Sereika ◽  
Dora Kuan

Background: Greater consumption of omega-3 fatty acids has been associated with lower cardiovascular disease risk. Randomized controlled trials indicate direct, albeit small, beneficial effects of omega-3 fatty acids on plasma triglycerides and blood pressure, yet few studies have tested their impact on insulin resistance and the clustered risk factors comprising the metabolic syndrome. Hypothesis: Short-term supplementation with marine omega-3 polyunsaturated fatty acids, EPA (eicosapentaenoic acid) and DHA (docosahexaenoic acid) will improve aggregated cardiometabolic risk (CMR) in healthy middle-aged adults Methods: We conducted a double-blind, placebo-controlled, parallel group clinical trial. Subjects were 30-54 year-old adults free of atherosclerotic disease and diabetes whose intake of EPA and DHA totaled <300 mg/day. Each was randomly assigned to daily fish oil supplements (2g/day containing 1000 mg EPA and 400mg DHA) or matching soybean oil placebo for 18 weeks. Aggregate CMR at baseline and post-intervention was calculated as the standardized sum of standardized distributions of blood pressure, BMI, and fasting serum triglycerides, glucose, and HDL (reverse scored). Missing data due to dropouts (n=17) and outliers (1-6 per variable) were replaced by multivariate imputation. Outcome analyses were conducted with linear regressions of all randomized subjects based on intention-to-treat. Results: Participants were 272 healthy adult (57% (154 out of 272) women; 17% (47 out of 272) minority; mean age 42) Pittsburgh-area residents. At baseline, demographics, health parameters, physical activity and EPA and DHA consumption did not differ significantly between treatment groups. No overall treatment effect was found, whereas gender moderated the effects of treatment on CMR risk (gender, p=.001 and gender*treatment interaction term p=.011). In gender-specific analyses, supplementation lowered CMR risk relative to placebo in men(p=.036, effect size=.629, standard error (SE) =.282) but not women (p=.168, effect size .261, SE=.222). Of the individual CMR variables, only HDL-cholesterol in men revealed a significant improvement (p=.012). In men receiving placebo, HDL-cholesterol fell by 1.1 mg/dl, whereas in those receiving fish oil, HDL rose by 1.7 mg/dl. As has been noted in other samples, compared to women men had greater CMR and lower HDL-cholesterol. Conclusions: Increased intake of n-3 fatty acids over 4 months reduced CMR in healthy, mid-life men but not women. This finding may be due to poorer baseline CMR and HDL characteristic of men, or to gender differences in fatty acid metabolism. Further study of gender differences in cardiometabolic risk and fatty acid metabolism may lead to gender-tailored preventive interventions.



2021 ◽  
Vol 7 (4) ◽  
pp. 279-285
Author(s):  
Havvanur Yoldaş İlktaç ◽  
Nihal Büyükuslu ◽  
Cüneyd Parlayan

Polyamines play an important role in the maintenance of intestinal permeability. Therefore we aimed to determine the effects of probiotics and omega 3 fatty acids on serum polyamine levels in colitis. Fifty BALB/c mice were randomly grouped as normal, colitis with no treatment applied, colitis treated by probiotics (VSL#3), colitis treated by omega-3, and colitis treated by both probiotics and omega-3. Experimental colitis was induced by injection of 200 mg/kg 2,4-Dinitrobenzenesulfonic acid (DNBS). The probiotic and the omega-3 fatty acid supplements were applied daily by oral gavage. Serum polyamine levels were measured with high performance liquid chromatography (HPLC). In each group, the levels of serum polyamines are the highest in spermidine and the least in spermine. Bowel inflammation in experimentally induced colitis mice resulted in lower serum polyamine concentrations. In probiotic and omega 3 fatty acid supplemented group significant decreases were observed for spermine and spermidine (p<0.001), while no significant changes were obtained for putrescine. Combined supplementation of probiotics and omega-3 fatty acids for 10 days in colitis mice significantly decreased the serum levels of spermine and spermidine.



2014 ◽  
Vol 5 (9) ◽  
pp. 2004-2019 ◽  
Author(s):  
Trevor A. Mori

Clinical and epidemiological studies provide support that the polyunsaturated omega-3 fatty acids eicosapentaenoic acid and docosahexaenoic acid from fish and fish oils are cardioprotective, particularly in the setting of secondary prevention.



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