Dietary manipulation of muscle long-chain omega-3 and omega-6 fatty acids and sensory properties of lamb meat

Meat Science ◽  
2002 ◽  
Vol 60 (2) ◽  
pp. 125-132 ◽  
Author(s):  
Eric N Ponnampalam ◽  
Andrew J Sinclair ◽  
Adrian R Egan ◽  
Greg R Ferrier ◽  
Brian J Leury
Foods ◽  
2020 ◽  
Vol 9 (4) ◽  
pp. 383 ◽  
Author(s):  
Paolo Formaggioni ◽  
Massimo Malacarne ◽  
Piero Franceschi ◽  
Valentina Zucchelli ◽  
Michele Faccia ◽  
...  

An important problem in mountain areas is the abandonment of pasture. This trend can be combated by the valorisation of typical dairy products, such as “Formaggella della Valle di Scalve”, a semi-cooked traditional cheese made from whole milk in a mountain area in Italy. The aim of the present research was to compare the fatty acid (FA) profile and the sensory properties of this cheese as manufactured under different conditions: i) from the milk of cows grazing on mountain or valley pasture or fed indoors; ii) from the milk of cows fed hay or fed silage. In the first case, five cheesemaking trials were conducted during two years for each of the following situations: mountain pasture (A); pasture at the bottom of the valley (P) (about 1000m asl); stall (S). In the second case, three cheesemaking trials were conducted for each of the following situations: cows fed silage (I); cows fed hay (F). S cheese was richer in medium-chain FAs, while long-chain FAs were higher in P and A cheeses. On the other hand, long chain fatty acids (LCFA) were more abundant in P and A cheeses than in S. In general, MUFA, PUFA and, consequently, total unsaturated FA (UFA), were significantly higher in the P and A cheeses than S (UFA: 36.55 and 38.34, respectively, vs. 31.13; p < 0.001), while SFA showed higher values in S (68.85 vs. 63.41 and 61.68 in P and A, respectively; p < 0.001). Conjugated linoleic acid isomers (CLA) were more represented in the P and A samples (1.86 in P and 1.52 in A, vs. 0.80 in S; p < 0.001); Omega 3 fatty acids, and in particular α-linolenic acid, were more abundant in P than in S cheese. In winter, the I sample (silage) presented higher percentages of myristic (C14), myristoleic (C14:1) and omega 6 acids, whereas F cheese (hay) contained higher concentrations of CLA. The triangular test of sensory analysis showed that, in general, F cheeses were judged as “sweeter” than I, with aromatic profiles characterized by higher content of 2- butanol and ethyl capronate.


2004 ◽  
Vol 22 (6) ◽  
pp. 739-745 ◽  
Author(s):  
Baoxiu Qi ◽  
Tom Fraser ◽  
Sam Mugford ◽  
Gary Dobson ◽  
Olga Sayanova ◽  
...  
Keyword(s):  
Omega 3 ◽  
Omega 6 ◽  

2013 ◽  
Vol 27 (S1) ◽  
Author(s):  
Carol L Cheatham ◽  
Kelly W Sheppard ◽  
Daniel S Lupu ◽  
Mihai D Niculescu
Keyword(s):  
Omega 3 ◽  
Omega 6 ◽  

2021 ◽  
Vol 11 (1) ◽  
pp. e5736
Author(s):  
Tanuzy de Almeida Souza ◽  
Leila Magda Rodrigues Almeida ◽  
Cinthia Soares Lisboa

O objetivo deste estudo é descrever os benefícios do consumo dos ácidos graxos poli-insaturados durante a gestação e fatores associados no desenvolvimento infantil. Trata-se de uma revisão bibliográfica integrativa, a partir da análise de artigos científicos indexados nas bases de dados MedLine, Scielo, Science Direct e Google acadêmico, com recorte temporal de dez anos (2010-2020). Os descritores utilizados foram: ácido graxopoli-insaturados de cadeia longa; ômega 3; ômega 6; gestante e lactente, no idioma português e inglês, com o auxílio do operador boleano “AND”. Os resultados da pesquisa, após os critérios de inclusão e exclusão, obtiveram um total de 12 artigos. Os estudos demonstraram que os ácidos graxos poli-insaturados de cadeia longa (LCPUFA), tais como os das séries ômega 3 e ômega 6, em especial ácido docosahexaenóico e ácido eicosapentaenóico são fundamentais para o crescimento e desenvolvimento infantil, e tem função primordial na formação e no funcionamento do sistema nervoso central e da retina, e melhora do peso ao nascer. Além disso, os LCPUFA atuam nas gestantes reduzindo riscos de prematuridade, possui função antiinflamatória e antioxidante, reduz o estresse oxidativo, e controla os sintomas depressivos pré e pós-gestação. Conduto, são necessários mais estudos que abordem as quantidades adequadas para o período gestacional favorável à saúde materno-infantil.AbstractThis study aims to describe the benefits of consuming polyunsaturated fatty acids during pregnancy and the associated factors in child development. This is an integrative bibliographic review, based on the analysis of scientific articles indexed in the MedLine, Scielo, Science Direct and Google academic databases, with a ten-year period (2010-2020). The descriptors used were: Long chain fatty polyunsaturated acid; Omega 3; Omega 6; pregnant woman and infant in Portuguese and English, with the assistance of the Boolean operator “AND”. The results of the research, after the inclusion and exclusion criteria, obtained a total of 12 articles. Studies have shown that long-chain polyunsaturated fatty acids (LCPUFA), such as those from the omega 3 and omega 6 series, especially docosahexaenoic acid and eicosapentaenoic acid, are essential for child growth and development, and have a primary role in the formation and in the functioning of the central nervous system and the retina and improves birth weight. In addition, in pregnant women it works by reducing the risk of prematurity. The LCPUFA have an anti-inflammatory and antioxidant function, reduce oxidative stress, and control depressive symptoms before and after pregnancy. However, further studies are needed to address the appropriate quantities for the gestational period favorable to the mother-child health.Keywords: Polyunsaturated fatty acid; Omega 3; Omega 6; Pregnant; Infant.ResumenEl objetivo de este estudio es describir los beneficios de consumir ácidos grasos poliinsaturados durante el embarazo y los factores asociados en el desarrollo infantil. Se trata de una revisión bibliográfica integradora, basada en el análisis de artículos científicos indexados en las bases de datos académicas MedLine, Scielo, Science Direct y Google, con un período de diez años (2010-2020). Los descriptores utilizados fueron: ácido graso poliinsaturado de cadena larga; omega 3; omega 6; embarazada y lactante, en portugués e inglés, con la ayuda del operador booleano “AND”. Los resultados de la investigación, luego de los criterios de inclusión y exclusión, obtuvieron un total de 12 artículos. Los estudios han demostrado que los ácidos grasos poliinsaturados de cadena larga (AGPICL), como los de las series omega 3 y omega 6, especialmente el ácido docosahexaenoico y el ácido eicosapentaenoico, son esenciales para el crecimiento y desarrollo infantil y tienen un papel principal en la formación y en el funcionamiento del sistema nervioso central y la retina, y mejora del peso al nacer. Además, los AGPICL actúan en mujeres embarazadas reduciendo el riesgo de prematurez, tienen una función antiinflamatoria y antioxidante, reducen el estrés oxidativo y controlan los síntomas depresivos antes y después del embarazo. Sin embargo, se necesitan más estudios para abordar las cantidades apropiadas para el período gestacional favorable a la salud de la madre y su hijo.Palabras Clave: Ácido graso poliinsaturado; Omega 3; Omega 6; Embarazada; Infante.


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.


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