نتایج جستجو برای: esterified fatty acids before calving 3648 vs 3949 and 3909 μeql for 45
تعداد نتایج: 19131378 فیلتر نتایج به سال:
the purposes of this study were to evaluate of ovarian and insulin dynamics in dairy cows fed omega-3 fatty acid source. ten holstein multiparous cows were selected and after adaptation period given diets containing palm oil (control) and fish oil (treatment) from day -40 to 60 after calving. the study carried to show the effect of omega-3 fatty acids on insulin resistance. glucose tolerance te...
enzymatic acidolysis of canola oil with capric and caprylic fatty acids to produce structured lipids
enzymatic acidolysis of canola oil through caprylic and capric acids was investigated for making structured lipids. lipozyme tl im, an sn-1,3 specific thermomyce slanuginosa lipase, was utilized as the biocatalyst in the batch reactor. reaction conditions were designed according to taguchi’s method considering fatty acid to oil ratio, at three levels (1:1, 2:1, 3:1) , enzyme load (4, 8 and, 12%...
Cows experience a significant negative protein balance during the first 30 d of lactation. Given functional effects AA on health, especially in challenging periods such as calving, higher levels and specific diet may act to improve health feed intake. The response dairy cows 3 supplementation strategies transition period through 45 milk was evaluated. final data set had 39 Holstein blocked base...
Background and Objectives: Changes in lifestyles and food patterns and consumption of ready-to-eat and fried foods have increased probability of chronic non-communicable diseases (NCDs). Studies have illustrated associations between salt, total fat, saturated fatty acid and trans fatty acid contents of the industrial and guild fried products in Iran. Materials & Methods: In this study, 69 sam...
A new procedure for the preparation of methyl esters from free fatty acids under mild conditions was investigated. Free fatty acids are dissolved in a mixture of chloroform-methanolic HCl-cupric acetate and kept at room temperature for 30 min for complete esterification. The method is suitable for esterification of long-chain acids, such as 18:0, and for very long chain acids, such as 24:0. Fat...
Abstract Concentrate withdrawal and feed restriction reduce milk production to facilitate dry-off. We investigated the impact of rations providing different amounts nutrients in combination with on performance, endocrine, metabolic responses before after abrupt Forty-three cows were studied from d 12 until 6 dry-off (56 scheduled calving). Cows fed experimental concentrates rich either crude pr...
Esterified astaxanthins are used as functional nutraceuticals and pigments in many food products. Unfortunately, the utilization is currently limited due to their chemical instability and poor water-solubility. In this study, esterified astaxanthins were quantified and purified from Haematococcus pluvialis using a novel and precise approach. By HPLC-(+)APCI-MS/MS, twenty esterified astaxanthin ...
1. The effect of infusion of noradrenaline (0.42 mumol min-1 kg-1) on the exchange of nonesterified fatty acids, glycerol and other metabolites across subcutaneous abdominal adipose tissue was investigated in five healthy subjects using an arteriovenous catheterization technique and measurement of adipose tissue blood flow using the 133Xe clearance technique. At the same time, the net rate of f...
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