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العنوان
Effect Of Some Treatments On Gossypol Content Of Cottonseed Meal And Oil =
المؤلف
Emam, Tahani Emam Gad.
هيئة الاعداد
مشرف / عصمت الزلاكى
باحث / تهانى امام جاد امام
مشرف / محمد الباقى
مشرف / عصمت الزلاكى
الموضوع
Gossypol Content,Food Science
تاريخ النشر
1977.
عدد الصفحات
p. :
اللغة
الإنجليزية
الدرجة
ماجستير
التخصص
علوم المواد
تاريخ الإجازة
1/1/1977
مكان الإجازة
جامعة الاسكندريه - معهد الدراسات العليا والبحوث - Food Science and Technology
الفهرس
Only 14 pages are availabe for public view

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Abstract

The study was carried out to investigate the influence of some treatments on the gossypol content of cottonseed oil and meal in an attempt to produce crude oil free from gossy-pol, of light colour, and to obtain meal of low content of free gossypol. Samples of fresh crude hydraulic-pressed cottonseed oil from the hydraulic-press mill, and of freshly ground cottonseed meats were obtained.
I- The experiments carried out on crude oil comprised
of oil treatment with borax. In the first treatment the oil was stored at 37°C for one month, after which it was treated with five borax concentrations namely, 0,47, 0.87, 1.27, 1.67, and 2.07%. The second treatment aimed to investigate the effect of treating the oil with the same borax concentrations, but before storage. It was found that storage of crude oil containing high gossy¬pol content resulted in oil of very dark colour which was very difficult to refine and bleach. Borax treat-ment before oil storage resulted in reduction of the total gossypol content of oil by 97-*99%, the oil was of light colour as it had a refined colour of 5«0-7.0 red units, and bleached colour of 3.7-4.5 red units.