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Effect of adding the Flavonoids from Zizypus spina-christi leaves in redox indicators of the fat extracted from Cows, Sheeps bones and storage on defferent temperature and periods.: Effect of adding the Flavonoids from Zizypus spina-christi leaves in redox indicators of the fat extracted from Cows, Sheeps bones and storage on defferent temperature and periods.


Flavonoids were extracted from Zizyphus spina-christi leaves by Ethyl acetate after acid digested and used as antioxidant. The dried extract was added separately to each sample of fat extracted from hallow cow and sheep bones as follows: T1 cow fat, T2 control for cow fat, T3 sheep fat and T4 control for sheep fat (the control T2 and T4 reffered to samples without added antioxidant).
Samples were stored at -18, 5, 25 and 55 °C for 28 days. The storage trials were conducted at -18, 5 and 25 °C for 28 days for T1, T2, T3 and T4. The chemical indices examined initially and at the end of storage period. PVs was 1.46, 1.46, 1.8 and 1.8 meq/ Kg oil respectively, FFA values were 0.245, 0.245, 0.244 and 0.244% respectively and TBA values were 0.015, 0.015, 0.023 and 0.023 mg malonaldehyde/ Kg oil respectively. The statistical analysis for the obtained results revealed insignificant differences (p< 0.05) among both storage periods and storage temperatures. It was also found that the added antioxidants (Zizyphus leaf) hadn't showed preservative effect on added fat samples.
The storage trial for fat samples were also conducted at 55°C for 28 days. The initial values for PVs were 1.46, 1.46, 1.8 and 1.8 meq/ kg oil respectively and the final values were 3.2, 4.4, 3.6 and 5.4 meq/ kg oil respectively. The FFAs values were initially 0.245, 0.245, 0.244 and 0.244% respectively and the final values were 0.394, 0.507, 0.451 and 0.564% respectively. The TBA values were initially 0.015, 0.015. 0.023 and 0.023 mg malonaldehyde/ kg oil respectively and the final values were 0.02, 0.032, o.o334 and o.o452 mg malonaldehyde/ kg oil respectively. The statistical analysis revealed insignificant differences p< 0.05 among storage periods for both PV and FFA values (except T1 that didn't show significant effect p< 0.05 for FFA) and TBA values. The added antioxidants (Zizyphus leaf) hadn't revealed significant effect on stored oil samples as reflected by obtained results.

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Publication Date
Thu Feb 20 2025
Journal Name
Al-hiqouq
حماية الخصوصية المدنية للطفل في مواقع التواصل الاجتماعي - دراسة مقارنة

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Publication Date
Mon Dec 01 2008
Journal Name
Journal Of Economics And Administrative Sciences
السياسة النقدية في العراق بعد 9/4/2003 (الواقع والطموح)

لا يستطيع كل كائن حي أو كيان اجتماعي أداء دوره الذي يفترض أن يقوم به ما لم يمتلك الوسائل الكافية والضرورية لأداء ذلك الدور قال سبحانه وتعالى ((قال ربنا الذي أعطى كل شيء خلقه ثم هدى طه 50)).

والنشاط الاقتصادي كجزء من الكيان الكلي للمجتمع لا يختلف عن هذه القاعدة، إذ عندما يراد من النظام الاقتصادي أداء دور فاعل فلا غنى له عن الوسائل التي تمكنه من أداء دوره المنشود. للنظام الاقتصادي مجمو

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Publication Date
Wed Mar 30 2022
Journal Name
Arab Science Heritage Journal
فاعليّةُ التعبير بالجناس الناقص في ديوان حازم القَرطاجنّي (ت 684هـ)

This search aims to meditate Divan of Hazem Al-Qirtagni his incomplete contiguous and non-contiguous naturalizations are investigated through two interrelated sections, the first is contiguous deficient naturalization and the analysis of phonemic symmetry in the light of syntactic syntax

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Publication Date
Fri Jun 01 2007
Journal Name
Journal Of Economics And Administrative Sciences
استخدام سلاسل ماركوف في التعرف على تعقبات الحامض النووي DNA

استخدام سلاسل ماركوف في التعرف على تعقبات الحامض النووي DNA

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Publication Date
Wed Jun 01 2016
Journal Name
Journal Of The College Of Languages (jcl)
Estudio lexicográfico sobre la Terminología de la Planta “Maíz” en Andalucía

Andalucía, dentro del mapa lingüístico español, es una región con muchas variaciones dialécticas. En muchos casos contiene una gran variedad de términos propios de la zona, ya que en esta misma zona se pueden observar muchas subdivisiones dialectales.

En este trabajo, hemos seguido dos tipos de fuentes:

- Directa: Se trata de conseguir la información por medio de cuestionarios distribuidos a informantes de edades y localidades diferentes.

 - Indirecta: Consultando libros para conseguir información y datos básicos del tema, e información sobre las voces y nombres dialectales en la geografía estudiada.

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Publication Date
Wed Jun 07 2023
Journal Name
Journal Of Educational And Psychological Researches
Omani Second-Cycle Students’ Motivations for Electronic Games

The current study aims to investigate the second cycle students’ motives for using electronic games in Oman. The sample consisted of (570) students, (346 males and 224 females). The participants completed an open-ended question which was analyzed based on ground theory. The results showed that (46.820%) of the males and (77.678) of the females played electronic games for pleasure, entertainment, and fun. This first category of motivation got the highest percentage of frequency (58.947%). The motive to become a hacker, a popular YouTuber got the lowest percentage (2.280%). Other students’ motives toward playing electronic games included: filling the leisure time, overcoming boredom, feeling adventures, getting science fiction and chal

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Publication Date
Sun Jul 03 2005
Journal Name
Political Sciences Journal
عرض اطاريح ورسائل (الامم المتحدة وقضايا التنمية في العالم الثالث)

الامم المتحدة وقضايا التنمية في العالم الثالث

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Publication Date
Sat Jan 05 2019
Journal Name
Journal Of Planner And Development
التفاوت التنموي المكاني في العراق بمقاييس تنموية مقترحة واليات مواجهته

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Publication Date
Mon Oct 15 2018
Journal Name
Arab Science Heritage Journal
الجذور الجذور التاريخية للمكتبات ودورها في صناعة الحضارة العربية الإسلامية

Libraries were and still are the source of science and knowledge in schools, universities and science houses. Therefore, it is a must to briefly display Libraries’

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Publication Date
Sun Jan 17 2021
Journal Name
Arab Science Heritage Journal
المبادرة في عهد الامام علي بن ابي طالب (عليه السلام )

    Thank Allah and prayers on the Prophet Mohammed the man of truth and honest (PBUH).

The initiations in the role of Imam Ali (PBUH) is considered among the important initiations in Islamic thinking .It is considered the way to invest the conditions that the individual in the light of it can reach to make gains and achievements

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