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العنوان
Some Studies on the Egyptian Jasmine Essential Oil /
المؤلف
Hassan, Ahmed Mohamed.
هيئة الاعداد
باحث / Ahmed Mohamed Hassan
مشرف / Ahmed Ezze El-Din
مشرف / Sobhy A. Afifi
مشرف / F. M. M. El-Talawy
الموضوع
Food industry and trade. Food Technology.
تاريخ النشر
1979.
عدد الصفحات
127 p. :
اللغة
الإنجليزية
الدرجة
ماجستير
التخصص
علوم وتكنولوجيا الأغذية
تاريخ الإجازة
1/1/1979
مكان الإجازة
جامعة المنيا - كلية الزراعة - Department of Food Science and Technology
الفهرس
Only 14 pages are availabe for public view

from 156

from 156

Abstract

Part 1 : Harvest month:
A) Yield of concrete Jasmine oil:
The percentage of concrete Jasmine using hexane
as a solvent fluctuated between 0.29 and 0.32%. The maximum yield of concrete obtained in August (0.32%) and September (0.32%) while for June the value was- 0,29%.
B) Percentage of absolute Jasmine oil:
The isolation of absolute Jasmine oil from hexane by extraction with 95% alcohol indicated the percentage of absolute to be in the range of 45% - 55.6%; the concretes prepared in June, July, ~iUgust, September and October indi~ cated the values 59.0%, 55.1% , 55.6% and 45% for the
absolute oil respe.tively. -
C) Physical and chemical characteristics 1) Concrete:
The ~:’C:::Qlle concrete of Jasmine isolated from flowers in June Lcnd C.:::-tober was inferior in quality to those extracted in other months. Thepercentage of esters was high in the concrete obtained in July, August and September (29.3%, 27.9% and 26.4% respectyely).