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Register a new userThe Effect of Moisture Content and Temperature of Corn Grain Stored in Where-houses and Outdoors for Production of Aflatoxin B1 In Syria
تأثير رطوبة حبوب الذّرة الصفراء المخزنة في العراء و المستودع و حرارتها في إفراز الأفلاتوكسين B1 في سورية
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Damascus University ورقة بحثية
Publication date
2004
fields
Biology
and research's language is
العربية
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Shamra Editor
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هدف هذا البحث إلى دراسـة تأثير رطوبة و حرارة حبوب الذّرة الـصفراء المخزنـة فـي العـراء و المستودع في إفراز الأفلاتوكسين في سورية، و إلى قياس الأفلاتوكسين B1 و تقدير كميته. استُخدم في التّجربة 200 طن من حبوب الذّرة الصفراء، و خُزن منها 100 طن في العـراء و 100 طن في مستودع مغلق، و ذلك وفق الطّريقة المتّبعة في تخزين الذّرة الصفراء في المؤسسة العامة للأعـلاف في سورية. أُخذت العينات لمدة 12 شهر باستخدام طريقة العينة العشوائية الطّبقية التّناسبية و المنتظمة.
The objectives of this research were to study the effect of moisture content and temperature of corn stored in where-houses and out-doors for production and determination of Aflatoxin B1 in Syria. 200 tons of corn crops was used for our experiment, and was divided 100 tons each for storage out-doors and in-doors respectively according to General Company of Feed Stuff in Syria. Samples had been taken for 12 months by using stratified random sampling method.
References used
AOAC, (1980). Official Methods of Analysis of the Association of Official Analytical Chemists . Vol.34 , No.4 – USA
Coker,R.D. (1991). In Fungi and Mycotoxins in Stored products . ACIAR proceeding No.36-Australian center for international research , pp.115 – 122
Damann,K.E. (2001). Mycotoxins in Foods and Feed Grain . Minutes of Annual Meeting of Southern Regional Information Group-51, Annual Report 2001 - Atlanta
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تحت الظروف الطبيعية للتربة والمناخ في محافظة دير الزور نفذت تجربة حقلية وتجربة اصص . حج الأصص ( 1260cm3 ) في الموسم الزراعي 2012-2013 في قرية المريعية.
Six Syrian landraces of Rosa damascena planted at the faculty of agriculture
of Damascus University have been evaluated in this study. A big variation of
yield was noticed among the landraces. The landrace called (Mesraba) was
superior to others c
oncerning yield which was (112.2 g/plant). On the other
hand, (Erna) had got the highest content of oil (0.071%). Analysis of oil
implemented in Suleyman Demirel University in Turkey (Isparta) identified the
main components of oil such as: Geraniol (28-31%), Citronellol (26-30%),
Nerol (12-14%), Germacrene-D (6-8%), Nonadecane (4-6%) and Linalool (1-
3%). Besides, many trace compounds were detected such as: Eicosane, Eugenol,
Citral, Hexadecane and Rose oxide. The essential oil of (Almarah) had got the
highest quality.
Eighty randomly sampled shanklish products were collected from different
areas in Syria with average weight of 400 g for each sample during the year of
2003 to 2004. The samples were tested for total microflora (Fungi, yeasts and
bacteria) and dia
gnosed for aflatoxigenic fungi which produce Aflatoxin B1and
analyzed to determine moisture, salt content and acidity.
Ninety-nine randomized samples of milk and white cheeses were collected
from five districts in Damascus city during 2012-2013 to determinef Aflatoxin
M1 using High Performance Liquid Chromatography (HPLC). The procedure
for determination of Aflato
xin M1 was changed according to local
circumnutates which gave sensitive and accurate results during 5.9 minute with
r= 0.99. The average recovery was 83.88% for milk and 102.15% for cheeses
samples, respectively.
In this paper the Einstein's transition coefficients are introduced,
Their ratios are found by setting the transitions from one state of an
atom to be in balance with the reverse transitions between the same
two states in thermal equilibrium.
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