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Register a new userتأثير إضافة الزيوت النباتية في الخواص الفيزيوكيميائية والحسية للمثلوجات اللبنية
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Damascus University رسالة ماجستير
Publication date
2015
fields
Agricultural Engineering
and research's language is
العربية
Created by
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نفذت هذه الدراسة في مخابر علوم الاغذية ( معمل الالبان التجريبي) في كلية الزراعة - جامعة دمشق خلال عام 2014-2015
No English abstract
References used
أبو غرة صياح . هدال, أحمد 1997. تكنولوجيا الألبان ( مشتقات الحليب الدهنية ) جامعة دمشق سورية .
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100 samples of some tradional ice cream sold in Damascus to customers
have been analyzed for coliform, Staphylococcus aureus and Salmonella during
the last three year.
The study showed that the rate of rejection for Syrian normal standard was
85.
71 % for coliform, 9.89 % for Staph. aureus and 0 % for Salmonella .
In addition to identification of E.coli often found in ice cream there were
Enterobacter cloacae, Klebsiella planticola or Klebsiella oxytoca and to less
degree Citrobacter freundii .
The objective of this research is to study the effect of wood ash in
rheological properties of Self – compacting mortar (SCM). By
implemented some mixtures with different percentage from wood
ash with two kinds of cement and three kinds of super plasticizer
and study the effect in slump flow and yield stress to this
mixtures.
Proven chemical analyzes conducted in the summer of 2014 to thirty wells in the
village AL-Shamia- Latakia region, that water wells west of the adjacent village to the
seaside up to 300 m distance to the east where the salinity increases while decreasing the
East Village to become water sweet near way of Lattakia-Kassab, at a distance of 1500 m
fromn the sea beach.
Terebinth trees have been occupying a good part of the mount of Syrian
(abed elaziz, pelass). The Pistacia atlantica fruit, rich in oil, is used by local
inhabitants in many ways, few studies investigation of the P. atlantica fruit oil
of Syria ha
s been carried out,This study investigates the protein, ash, crude oil
and oil composition of P. atlantica with respect to total phenol, iodine value and
saponification value, in order to classify it among the other known edible oils
thenafter compare the oil composition with the oils of other Pistacia species.
The fruit of P.atlantica appears to be rich in oil. The major fatty acid in the
sample studied are oleic, linoleic, our results show that. The oil has a higher
content of unsaturated FA (oleic + linoleic = 72%). The oil can be classified as
an oleo-linoleic vegetable oil. The biochemical data showed an elevated MUFA
content (50-48%) which may constitute an important property against certain
pathologies for its nutritional and preventive virtues.
Oleic acid is a fatty acid known as omega-9, which is found naturally in many plant
sources and animal products and is found in the form of tri-glycerides (oleic acid esters). In
this research, the oleic acid was isolated and purified with a high d
egree of purity up to
99% of the fatty acids extracted from olive oil, corn oil and palm oil with a yield of at least
87% of its percentage in the oils used by the use of crystalline urea as well as crystalline
selective cooling . GC-FID was also used for direct quantitative analysis of oleic acid and
other fatty acids.
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