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Conjugated linoleic acid

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https://www.readbyqxmd.com/read/28728359/influence-of-supplemental-canola-or-soybean-oil-on-milk-yield-fatty-acid-profile-and-postpartum-weight-changes-in-grazing-dairy-goats
#1
Israel Lerma-Reyes, G D Mendoza-Martínez, Rolando Rojo-Rubio, Mario Mejia, Juan Carlos Garcia-Lopez, Hector Aaron Lee-Rangel
Objective: This experiment was designed to evaluate the effect of supplementation with soybean or canola oil on milk production and the composition of long chain fatty acids as well as weight changes in the goats and their kids. Methods: Thirty nine mulitparous crossed Alpine x Nubian goats (initial BW 43.5 ± 1.7 kg) from the day of parturition were assigned to the treatments: grazing control (n=15); grazing plus 20 mL/goat/d of supplemental soybean oil (n=12); and grazing plus 20 mL/goat/d of supplemental canola oil (n=12)...
June 27, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28720932/investigating-the-amount-of-tfas-clas-and-%C3%AF-6-%C3%AF-3-of-various-brands-of-corn-oil-heated-at-different-time-temperature-treatments
#2
Fan He, Qin Guo, Fengying Gu, Yiming Ha, Wei Gong, Feng Wang
A qualitative and quantitative analysis of trans fatty acids (TFAs), conjugated linoleic acids (CLAs) and linoleic acid/α-linolenic acid (ω6/ω3) in eleven different brands of fresh and heated corn oil was investigated. Corn oil was subjected to thermal treatment at 180, 210 and 230 °C for 4, 8 and 12 h. The kinds of fatty acids were almost the same in all eleven brands of corn oil, but there were differences in the quantities of TFAs, CLAs and ω6/ω3 among the brands. The formation of TFAs in different brands of corn oil increased slowly at 180 °C and rapidly at 230 °C with the maximum increase of 28 and 374%, respectively...
June 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28689379/-influence-of-conjugated-linoleic-acids-on-metabolic-processes-in-cells-and-tissues
#3
Ewa Siwiec, Ewa Stachowska
Conjugated linoleic acids (CLA) are constitutional and geometric isomers of this acid. The most commonly consumed geometric isomers are cis-9,trans-11 (c9, t11) CLA and trans-10, cis-12 (t10,c12) CLA. These isomers together with trans-9,trans-11 CLA and trans-10,trans-12 CLA constitute about 90% of all CLA in natural products. Different structure of the isomers affects their functions in the body. Differences in the effects on organs and tissues are sometimes small and sometimes opposed, sometimes the isomers work synergistically...
2017: Postepy Biochemii
https://www.readbyqxmd.com/read/28688615/innovative-dairy-cow-management-to-improve-resistance-to-metabolic-and-infectious-diseases-during-the-transition-period
#4
REVIEW
P Lacasse, N Vanacker, S Ollier, C Ster
The incidence of metabolic and infectious diseases varies greatly during the lactation cycle. Most new cases of clinical mastitis appear at the beginning of lactation, and the incidence increases with the level of milk production. In addition to mastitis, many other infectious diseases become clinically apparent during the first 2weeks of lactation. During this time, cows are in a negative energy balance and must mobilize body reserves to balance the deficit between food energy intake and energy required for milk production...
June 27, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28672978/oral-administration-of-lactobacilli-isolated-from-jeotgal-a-salted-fermented-seafood-inhibits-the-development-of-2-4-dinitrofluorobenzene-induced-atopic-dermatitis-in-mice
#5
Mi-Sung Park, Nho-Eul Song, Sang-Ho Baik, Hyun-Ock Pae, Seong Hoon Park
Certain strains of lactobacilli have been reported to exert favorable effects on atopic dermatitis (AD). Jeotgal, a traditional Korean food, is a salted fermented seafood known to harbor many lactic acid bacteria. In the present study, two novel lactobacillus strains were isolated from Jeotgal, and their anti-AD effects were investigated. Lactobacilli isolated from Jeotgal were identified, according to conjugated linoleic acid-producing activity, as Lactobacillus plantarum (JBCC105645 and JBCC105683). AD-like skin lesions were induced in BALB/c mice using dinitrofluorobenzene (DNFB)...
July 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28651330/rosiglitazone-improves-insulin-resistance-mediated-by-10-12-conjugated-linoleic-acid-in-a-male-mouse-model-of-metabolic-syndrome
#6
Shari Wang, Leela Goodspeed, Katherine E Turk, Barbara Houston, Laura J den Hartigh
Trans-10, cis-12 conjugated linoleic acid (10,12 CLA) is a dietary fatty acid that promotes weight loss and disproportionate fat loss. Obese mice fed a high fat high sucrose (HFHS) diet containing 10,12 CLA are resistant to weight gain and contain markedly reduced subcutaneous fat and adiponectin, with a concurrent lack of improvement in insulin sensitivity despite significant weight loss. Taken together, 10,12 CLA promotes a phenotype resembling PPARγ antagonism. Since thiazolidinediones such as rosiglitazone (Rosi) are used clinically to improve insulin sensitivity by activating PPARγ, with particular efficacy in subcutaneous white adipose tissue, we hypothesized that Rosi would improve glucose metabolism in mice losing weight with 10,12 CLA...
June 23, 2017: Endocrinology
https://www.readbyqxmd.com/read/28647365/conjugated-linoleic-acid-prevents-age-induced-bone-loss-in-mice-by-regulating-both-osteoblastogenesis-and-adipogenesis
#7
Guanlin Lin, Huan Wang, Jun Dai, Xiao Li, Ming Guan, Shutao Gao, Qing Ding, Huaixi Wang, Huang Fang
Osteoporosis (OP) can increase the risk of bone fracture and other complications, which is a major clinical problem. Previous researches have revealed that conjugated linoleic acid (CLA) can promote the bone formation. But the mechanisms are not clear. Thus, we tested the hypothesis that CLA acts on bone formation might be via mTOR Complex1 (mTORC 1) pathway by in vitro and vivo assays. We studied the effect of CLA mix on MC3T3-E1 pre-osteoblasts differentiation into osteoblasts, and bone formation under osteoporotic conditions...
June 21, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28631807/compositional-analyses-and-shelf-life-modeling-of-njangsa-ricinodendron-heudelotii-seed-oil-using-the-weibull-hazard-analysis
#8
Harold K Abaidoo-Ayin, Prince G Boakye, Kerby C Jones, Victor T Wyatt, Samuel A Besong, Stephen E Lumor
This study investigated the compositional characteristics and shelf-life of Njangsa seed oil (NSO). Oil from Njangsa had a high polyunsaturated fatty acid (PUFA) content of which alpha eleostearic acid (α-ESA), an unusual conjugated linoleic acid was the most prevalent (about 52%). Linoleic acid was also present in appreciable amounts (approximately 34%). Our investigations also indicated that the acid-catalyzed transesterification of NSO resulted in lower yields of α-ESA methyl esters, due to isomerization, a phenomenon which was not observed under basic conditions...
June 20, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/28627455/gemcitabine-vitamin-e-conjugates-synthesis-characterization-entrapment-into-nanoemulsions-and-in-vitro-deamination-and-antitumor-activity
#9
Ahmed Abu-Fayyad, Sami Nazzal
Gemcitabine is the first line therapy for pancreatic cancer. It is, however, extensively metabolized to the inactive form by deamination enzymatic reaction. Conjugation of gemcitabine with fatty acids on its 4-amino group was found to protect it from deamination deactivation reaction. The objective of the present study was to test the in-vitro anticancer activity of gemcitabine conjugated to the γ-tocotrienol isomer of vitamin E against pancreatic tumor cells. This objective was based on reported studies in which it was demonstrated that free tocotrienol isomers of vitamin E can potentiate the anticancer activity of gemcitabine...
June 13, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28626143/effect-of-conjugated-linoleic-acid-intake-on-endurance-exercise-performance-and-anti-fatigue-in-student-athletes
#10
Naoko Terasawa, Ken Okamoto, Kenta Nakada, Kazumi Masuda
Conjugated linoleic acids (CLA) intake has been reported to reduce body fat mass or increase lean body mass and to improve exercise outcome by modulating testosterone in humans. These reports have studied mostly overweight subjects; few were athletes. Therefore, in this study, the effect of CLA intake on endurance performance and anti-fatigue in student athletes was investigated. A double-blind, crossover study was conducted with 10 male student athletes. Each subject was administered with either CLA (net 0...
June 13, 2017: Journal of Oleo Science
https://www.readbyqxmd.com/read/28625013/anti-mutagenic-properties-of-mono-and-dienoic-acid-biohydrogenation-products-from-beef-fat
#11
Jeyachchandran Visvalingam, Payam Vahmani, David C Rolland, Michael E R Dugan, Xianqin Yang
Unsaturated fatty acid biohydrogenation products from beef fat and pure fatty acids were subjected to the Ames Salmonella mutagenicity testing, including monounsaturated fatty acids [MUFA: oleic acid, vaccenic acid, elaidic acid; beef fatty acid fractions rich in trans (t)11/t13-t14-18:1 (t11,13,14-Frac), t10-18:1 (t10-Frac)] and dienoic fatty acids [linoleic acid, conjugated linoleic isomers cis (c)9,t11-18:2 and t10,c12-18:2, and a mixed beef dienoic fatty acid fraction high in c9,t13-/t8,c12/t11c15-18:2 (MD)]...
June 17, 2017: Lipids
https://www.readbyqxmd.com/read/28624284/comparing-the-effect-of-homogenization-and-heat-processing-on-the-properties-and-in-vitro-digestion-of-milk-from-organic-and-conventional-dairy-herds
#12
D L Van Hekken, M H Tunick, D X Ren, P M Tomasula
We compared the effects of homogenization and heat processing on the chemical and in vitro digestion traits of milk from organic and conventional herds. Raw milk from organic (>50% of dry matter intake from pasture) and conventional (no access to pasture) farms were adjusted to commercial whole and nonfat milk fat standards, and processed with or without homogenization, and with high-temperature-short-time or UHT pasteurization. The milk then underwent in vitro gastrointestinal digestion. Comparison of milk from organic and conventional herds showed that the milks responded to processing in similar ways...
June 14, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28624283/effect-of-pasture-versus-indoor-feeding-systems-on-quality-characteristics-nutritional-composition-and-sensory-and-volatile-properties-of-full-fat-cheddar-cheese
#13
Tom F O'Callaghan, David T Mannion, Deirdre Hennessy, Stephen McAuliffe, Maurice G O'Sullivan, Natasha Leeuwendaal, Tom P Beresford, Pat Dillon, Kieran N Kilcawley, Jeremiah J Sheehan, R Paul Ross, Catherine Stanton
The purpose of this study was to investigate the effects of pasture-based versus indoor total mixed ration (TMR) feeding systems on the chemical composition, quality characteristics, and sensory properties of full fat Cheddar cheeses. Fifty-four multiparous and primiparous Friesian cows were divided into 3 groups (n = 18) for an entire lactation. Group 1 was housed indoors and fed a TMR diet of grass silage, maize silage, and concentrates; group 2 was maintained outdoors on perennial ryegrass only pasture (GRS); and group 3 was maintained outdoors on perennial ryegrass/white clover pasture (CLV)...
June 14, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28608585/effect-of-dietary-conjugated-linoleic-acid-on-vitamin-a-status-of-lactating-rats-and-their-offspring
#14
J O Zeitz, E Most, K Eder
The absorption and metabolism of vitamin A is linked with that of lipids. It is known that conjugated linoleic acid (CLA) affects the lipid metabolism in growing and lactating animals. In the present study, the hypothesis was investigated that dietary CLA influences vitamin A status of lactating rats and their pups during the suckling period. For this purpose, Wistar Han rats were fed either a control diet (control group, n = 14) or a diet containing 0.87% of cis-9, trans-11 and trans-10, cis-12 (1:1) CLA (CLA group, n = 14) during pregnancy and lactation...
June 13, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28601449/fatty-acid-profile-of-goat-milk-in-diets-supplemented-with-chia-seed-salvia-hispanica-l
#15
B Schettino, S Vega, R Gutiérrez, A Escobar, J Romero, E Domínguez, M González-Ronquillo
Chia seed (Salvia hispanica L.) is the greatest known plant source of n-3 α-linolenic acid. The present study evaluated the effects of 3 inclusion levels of chia seed [zero (control); low, 2.7% (CLow); and high, 5.5% (CHigh)] in diets of dairy goats on milk yield and fatty acid profile. Nine Saanen dairy goats in the last third of lactation period, live weight 38 ± 8.7 kg, housed in metabolic cages, were fed iso-proteic and iso-energetic (160 g of crude protein/d and 11 MJ of metabolizable energy/d) diets...
June 7, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28601035/effects-of-dietary-cla-supplementation-parity-and-different-concentrate-levels-before-calving-on-immunoglobulin-g1-g2-and-m-concentrations-in-dairy-cows
#16
Melanie Eger, Jana Horn, Jamal Hussen, Hans-Joachim Schuberth, Maria Scharf, Ulrich Meyer, Sven Dänicke, Hartwig Bostedt, Gerhard Breves
Peripartal dairy cows exhibit a higher susceptibility for infectious diseases, which might be linked to the negative energy balance occurring at the onset of lactation. A dietary supplementation of conjugated linoleic acids (CLA) may reduce milk fat yield and subsequently lower the energy deficit. The utilization of immunoglobulins (Ig) for colostrogenesis might impair humoral immunity in peripartal dairy cows; therefore this study investigated the effects of a CLA supplement, parity and different dietary energy levels on plasma and colostrum IgG1, IgG2 and IgM levels in dairy cows and their calves...
June 2, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28593444/efficacy-of-dietary-supplementation-of-fatty-acid-compound-on-performance-and-production-in-finishing-pigs
#17
Santi Devi Upadhaya, Hyeok Min Yun, Shuaiqi Huang, In Ho Kim
The present study was conducted to evaluate the efficacy of dietary supplementation of 0.5 and 1% of fatty acid (FA) compound containing conjugated linoleic acid as active component on growth performance, apparent nutrient digestibility, serum lipid profile, meat quality, and fatty acid profiles in muscle and adipose tissue in finishing pigs. A total of 90 finishing pigs ([Yorkshire × Landrace] × Duroc) were used in 5-week trial. The growth performance and nutrient digestibility were unaffected with FA supplementation...
August 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28592972/fabrication-of-polycaprolactone-polyurethane-loading-conjugated-linoleic-acid-and-its-antiplatelet-adhesion
#18
Ho Hieu Minh, Nguyen Thi Hiep, Nguyen Dai Hai, Vo Van Toi
Polycaprolactone/polyurethane (PCL/PU) fibrous scaffold was loaded with conjugated linoleic acid (CLA) by electrospinning method to improve the hemocompatibility of the polymeric surface. Fourier Transform Infrared Spectroscopy (FT-IR) analysis and Scanning Electron Microscopy (SEM) observation were employed to characterize the chemical structure and the changing morphology of electrospun PCL/PU and PCL/PU loaded with CLA (PCL/PU-CLA) scaffolds. Platelet adhesion and whole blood clot formation tests were used to evaluate the effect of CLA on antithrombotic property of PCL/PU-CLA scaffold...
2017: International Journal of Biomaterials
https://www.readbyqxmd.com/read/28559164/pomegranate-seed-oil-influences-the-fatty-acids-profile-and-reduces-the-activity-of-desaturases-in-livers-of-sprague-dawley-rats
#19
Agnieszka Białek, Agnieszka Stawarska, Joanna Bodecka, Małgorzata Białek, Andrzej Tokarz
The aim of our study was to compare the influence of diet supplementation with pomegranate seed oil - as conjugated linolenic acids (CLnA) source, or conjugated linoleic acids (CLA) and to examine the mechanism of their activity. The content of fatty acids, levels of biomarkers of lipids' oxidation and the activity of key enzymes catalyzing lipids metabolism were measured. Obtained results revealed that conjugated fatty acids significantly decrease the activity of Δ5-desaturase (p=0.0001) and Δ6-desaturase (p=0...
May 27, 2017: Prostaglandins & Other Lipid Mediators
https://www.readbyqxmd.com/read/28556504/effects-of-conjugated-linoleic-acid-supplementation-on-serum-c-reactive-protein-a-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#20
REVIEW
Mohsen Mazidi, Ehsan Karimi, Peyman Rezaie, Gordon A Ferns
AIM: To undertake a systematic review and meta-analysis of prospective studies to determine the effect of conjugated linoleic acids (CLAs) supplementation on serum C-reactive protein (CRP). METHOD: PubMed-Medline, Web of Science, Cochrane Database and Google Scholar databases were searched (up until May 2016) to identify prospective studies evaluating the impact of CLAs supplementation on serum CRP. Random effects models meta-analysis was used for quantitative data synthesis...
May 29, 2017: Cardiovascular Therapeutics
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