نتایج جستجو برای: c18

تعداد نتایج: 6057  

E. Dirandeh H. Deldar M.S. Samadi, Y. Chashnidel

The aim of this study was to determine and compare in situ biohydrogenation (BH) fatty acids in three forms of soybeans and linseed (raw, extruded and roasted). Nylon bags (5×10 cm) containing 4 g of raw, extruded or roasted soybeans or raw, extruded or roasted linseed were incubated in the rumen of fistulated ewes for 4, 8, 12 and 24 hours. Results for linoleic acid (C18:2) showed tha...

Journal: :Journal of dairy science 2011
P Gómez-Cortés M A de la Fuente P G Toral P Frutos M Juárez G Hervás

The aim of this study was to evaluate the effect of different forage:concentrate (FC) ratios in dairy ewe diets supplemented with sunflower oil (SO) on animal performance and milk fatty acid (FA) profile, particularly focusing on trans C18:1 FA and conjugated linoleic acid (CLA). Sixty lactating Assaf ewes were randomly assigned to 6 treatments in a 3 × 2 factorial arrangement: 3 FC ratios (30:...

Journal: :Molecules 2014
Guitele Dalia Goldhaber-Pasillas Natali Rianika Mustafa Robert Verpoorte

The stress response after jasmonic acid (JA) treatment was studied in cell suspension cultures of Catharanthus roseus. The effect of JA on the primary and secondary metabolism was based on changes in profiles of fatty acids (FA) and terpenoid indole alkaloids (TIA). According to multivariate data analyses (MVDA), three major time events were observed and characterized according to the variation...

Journal: :Journal of chromatographic science 2008
Anja Judefeind Peet Jansen van Rensburg Stephan Langelaar Johann W Wiechers Jeanetta du Plessis

A gas chromatographic (GC) method with mass spectrometric (MS) detection is developed and validated for the accurate and precise determination of octadecenedioic acid (C18:1 DIOIC) in human skin samples and transdermal perfusates. C18:1 DIOIC is extracted using methanol. The saturated analogue 1,18-octadecanedioic acid (C18:0 DIOIC) is added as internal standard. Prior to analysis, both compoun...

Journal: :Analytical chemistry 2002
Yan He Lei Geng

In situ time-resolved fluorescence spectroscopy for capillary electrochromatography (CEC) is described in the frequency domain. Fluorescence decay of the solute molecules is collected directly in the packed stationary phase of the CEC capillary. The fluorescence lifetime profile of the solute molecules reveals the microenvironments they experience in the C18 chromatographic interface. A quartz ...

2012
Hasan Yalcin Omer Said Toker Ismet Ozturk Mahmut Dogan Ozgur Kisi

The aim of this study was to model the fatty acid composition of vegetable oils by using the adaptive neuro fuzzy inference system (ANFIS) and artificial neural network (ANN) based on rheological measurements. For this aim, seven different refined vegetable oils (hazelnut, soybean, sunflower, olive, canola, corn, and cotton seed) were used. Olive oil had the highest viscosity value of 0.067 Pa ...

Journal: :Journal of bacteriology 1977
J J Boon J W de Leeuw G J Hoek J H Vosjan

The fatty acids obtained from extractable lipids of the anaerobic sulfate bacterium Desulfovibrio desulfuricans were identified. Saturated and monoenoic iso (C15-C19) and anteiso (C15, C17) fatty acids and saturated normal (C14-C18) and monoenoic normal (C16, C18) fatty acids were shown to be shown to be present by capillary gas chromatography-mass spectrometry. Iso and anteiso beta-hydroxy fat...

2013
M. Ebrahimi M. A. Rajion Y. M. Goh A. Q. Sazili J. T. Schonewille

This study was conducted to determine the effects of feeding oil palm frond silage based diets with added linseed oil (LO) containing high α -linolenic acid (C18:3n-3), namely, high LO (HLO), low LO (LLO), and without LO as the control group (CON) on the fatty acid (FA) composition of subcutaneous adipose tissue and the gene expression of peroxisome proliferator-activated receptor (PPAR) α , PP...

Journal: :Bio-medical materials and engineering 2015
Yu Cui Xiaobei Chen Liyan Liu Wei Xie Yue Wu Qunhong Wu Decai Wang

As the worldwide elderly population has grown, the incidence and prevalence of Alzheimer's disease (AD) has steadily increased. The differential lifelong exposure of populations to dietary fatty acids has raised concerns about the potential links between cognitive impairments and nutrition. However, few studies have addressed the levels of free fatty acids (FFAs) in AD patient serum. In this st...

Journal: :Meat science 2013
C Han M Vinsky N Aldai M E R Dugan T A McAllister C Li

Two previously reported DNA polymorphisms of sterol regulatory element binding transcription factor 1 (SREBP-1) and liver X receptor alpha (LXRα) and two DNA polymorphisms of fatty acid desaturase 1 (FADS1) were evaluated for associations with fatty acids in brisket adipose tissue of Canadian crossbred beef steers. The polymorphism of 84 bp insert/deletion in intron 5 of SREBP-1 was significant...

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