Enzymatic preparation of linoleic acid from sunflower oil: an experimental design approach
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Temperature and duration of heating of sunflower oil affect ruminal biohydrogenation of linoleic acid in vitro.
Sunflower oil heated at 110 or 150 degrees C for 1, 3, or 6h was incubated with ruminal content in order to investigate the effects of temperature and duration of heating of oil on the ruminal biohydrogenation of linoleic acid in vitro. When increased, these 2 parameters acted together to decrease the disappearance of linoleic acid in the media by inhibiting the isomerization of linoleic acid, ...
متن کاملChemo-Enzymatic Epoxidation of Sunflower Oil Methyl Esters
Foi realizada a epoxidação quimio-enzimática de ésteres metílicos do óleo de girassol, utilizando lipase em meio aquoso, na presença ou não de acil doadores. As reações no sistema bifásico (CH 2 Cl 2 /H 2 O) foram conduzidas utilizando-se a Candida antarctica lipase B (CALB, 1000 u g) e peróxido de hidrogênio a 30% (v/v). A conversão foi maior do que 99% em 16 h de reação. Os melhores resultado...
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رابطه ی میانِ هنر و شرایطِ اجتماعیِ زایش آن همواره در طولِ تاریخ دغدغه ی ذهنی و دل مشغولیِ اساسیِ منتقدان و نیز هنرمندان بوده است. از آنجا که هنر در قفس آهنیِ زندگیِ اجتماعی محبوس است، گسترش وابستگیِ آن با نهاد ها و اصولِ اجتماعی پیرامون، صرفِ نظر از هم سو بودن و یا غیرِ هم سو بودنِ آن نهاد ها، امری اجتناب ناپذیر به نظر می رسد. با این وجود پدیدار گشتنِ چنین مباحثِ حائز اهمییتی در میان منتقدین، با ظهورِ مکتب ما...
Olive oil, high-oleic acid sunflower oil and CHD.
The low levels of CHD morbidity and mortality in Mediterranean regions is partly attributed to dietary factors. Olive oil is a key component of the traditional Mediterranean diet, therefore there has been intensive investigation to determine how olive oil mediates this effect. CHD has a very complex pathophysiology characterised by atherosclerosis, which is the result of aberrant lipoprotein me...
متن کاملEvaluation of Fatty Acid Composition of Oil Extracted from Nine Varieties of Sunflower Seed
In this study nine new varieties of sunflower seeds were obtained and subjected to oil extraction using soxhlet apparatus. The extracted oil was analyzed for fatty acid composition and phosphorus content to measure the phospholipid concentration. The results indicated that Armavirski variety had the highest oil content. The fatty acid composition of the extracted oils indicated that Armavirski ...
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ژورنال
عنوان ژورنال: Biotechnology & Biotechnological Equipment
سال: 2015
ISSN: 1310-2818,1314-3530
DOI: 10.1080/13102818.2015.1057523