النشر العلمي

  • Physicochemical Characteristics and Sensory Properties of Cow’s Milk Yoghurt as Affected by Different Level of Gum Arabic Powder

 

In this study, the physicochemical analyses and sensory properties were investigated in two types of yoghurt produced from cow milk without gum Arabic (control) and with added gum at 0.5%, 1%, 1.5%. All samples stored at the refrigerator for 1, 5 and 10 days. The result showed that the addition of gum Arabic in yoghurt has significantly affected (p≤0.05) lower content of moisture (84.16%) at 10 days of storage compared to the control yoghurt (88.03%), total dry matter carbohydrate of yoghurt produced by using gum increased directly with increase of concentration of gum added at 1, 5 and 10 days of storage. The protein content of control yoghurt (3.17%) was lower than that of gum yoghurt with 1.5% at the end of storage. Also, the total soluble solids were highly increased from 8.76% in the control sample to 13.39% in gum yoghurt with  1.5%. The viscosity 0f the control sample expressed the lowest value (1300cps) while the highest value (2200cps) was obtained by gum yoghurt. Moreover, the addition of gum powder resulted in decreasing the pH Value from 5.90 in control yoghurt to 5.20 gum yoghurt at 10 days, also serum separation from 4 to 2ml with 1.5% gum at 10 days of storage. According to sensory properties addition of gum, the powder had a significant effect (p≤0.05) on texture flavor, appearance, and overall acceptability, the value of yoghurt adding 0.5% gum powder had the highest overall acceptability. Depend on the results of this research; all the main and specific objectives have been done. However, the following recommendations can be suggested such as microbiological analysis as well as the fiber content are worth studying.
 

published in Annals of Agricultural & Crop Sciences

  • السلوك الأكاديمي لدى الطلاب والتلاميذ المصابون بمرض السرطان في ضوء بعض المتغيرات (دراسة حالة الطلاب والتلاميذ المترددون على مستشفى الذرة التعليمي بمدينة ود مدني، ولاية الجزيرة، السودان، 2018م)

     The aim of the study was to identify the academic behavior  represented by (regular attendance, participation in study activities, sitting for exams) among students and pupils in higher and general education who have cancer. The study used the descriptive method, utilizing a questionnaire prepared by the researcher for the study purposes, and the psychosocial adjustment measure adapted to the Sudanese environment and applied as a study tool to a sample of (46) patients. All students and pupils going to Atom Hospital in Wad Madani were represented. The results were analyzed using the (SPSS)  program. The study has found that the academic behavior of cancer students and pupils is weak, and that there is a statistically significant positive relationship between the academic behavior of the cancer students and pupils and their psychosocial adjustment. The study has also confirmed the existence of statistically significant differences in academic behavior between cancer patients of higher education students, and cancer patients of general education students and pupils  in favour of students of higher education. The study has recommended the establishment of mechanisms in the ministries of health which will coordinate with the educational institutions in order to take into account the health conditions of students and pupils in hospitals. The study has suggested conducting experimental studies to identify the impact of academic counseling on the academic behavior of cancer patients among students and pupils in both general and higher education.

published in مجلة دراسات نفسية وتربوية - جامعة الجزائر-2 (كلية العلوم الاجتماعية)

  • Determination of Heavy Metals Concentration in the River Nile Sediments in Dongola and Merowe, Northern State, Sudan

Environmental pollution is caused due to the discharge of substances or energy into air, water, or land that may impart
acute (short-term) or chronic (long-term) detriment to the quality of life. This study aims to identify and determine the levels the
HMs in the River Nile Sediments. The Sediments where analyzed in the Central Petroleum Laboratories (CPL), Khartoum, Sudan
using Inductively Coupled Plasma– Optical Emission Spectrometer ICP-OES 725 E) instrument to determine Zn, Pb, Cu, Co, Ni,
Cd, Mo, Cr, Fe, Li, and Hg levels in the above-mentioned matrices in the two previously mentioned localities and compare their
concentrations with the national permissible levels (PLs), using the Complete Randomized Design (CRD) with three replications.
Sediment samples collected from three different locations in the river Nile from Dongola and Merowe locality and revealed the
presence of high levels of Zn (305.5, 177.15 and 126.5 ppm) and Cd (1.400, 1.75 and 1.45 ppm), in Dongola. The values for
Merowe were Zn (298.5, 154.35 and 124.2 ppm) and Cd (1.3, 1.385 and 1.045 ppm).Its conclude that the contamination of Heavy
metals in the northern state requires more efforts from the authorities.

published in International Journal of Academic Multidisciplinary Research (IJAMR) ISSN: 2000-006X Vol. 3 Issue 3, March – 2019, Pages: 1-3

  • HEAVY METALS CONCENTRATIONS IN NILE TILAPIA FISH (OREOCHROMIS NILOTICUS) IN DONGOLA AND MEROWE, NORTHERN STATE, SUDAN

The contamination of metals is a major environmental problem and, especially in the aquatic environment. This study aims to identify and determine the levels the heavy metals (HMs) in the tilapia fish tissue in two localities in the Northern State, Sudan. The tilapia fish tissue was analyzed in the Central Petroleum Laboratories, Khartoum, Sudan, using Inductively Coupled Plasma–Optical Emission Spectrometer ICP-OES 725 E) instrument to determine Zn, Pb, Cu, Co, Ni, Cd, Mo, Cr, Fe, Li, and Hg levels and compare their concentrations with the permissible levels (PLs), using the Design (CRD) with three replications. The results from two localities reflects the presence of high amounts of HMs, the two types of tissue (muscular & liver) from Tilapia fish demonstrated the presence of high quantities of Lead and Nickel in muscle tissue more than the permissible limits (0.214 and 0.5 - 0.6 ppm) according to FAO/WHO1999 EPA 2003. Similar in the Liver tissue also demonstrated high quantities of Lead more than the permissible limits according to the FAO/WHO (1999) EPA (2003). It is concluded that the accumulation of Heavy metals in the aquatic environment in the northern state requires more attention from the authorities.

published in InternationalJournalofCurrentResearchVol. 11, Issue, 03, pp.1852-1854, March, 2019

  • Combined impact of pulsed electric field and ultrasound on bioactive compounds and FT-IR analysis of almond extract

 

The aim of this paper is to investigate the combined impact of pulsed electric field (PEF) and ultrasound (US) to evaluate the physicochemical, bioactive compounds and chemical structure of almond extract. Almond extract was first treated with PEF and then with US . Combined treatment (PEF–US) has attained the highest value of total phenolics, total flavonoids, condense tannins, anthocyanin contents and antioxidant activity in DPPH, reducing power and metal chelating activity than all other treatments. Among all those treatments, there was slightly visible difference in the color. Moreover, FT-IR spectra indicate that the effect of PEF-US on almond extract did not produce new carbonyl compounds, but led to the higher concentration of these compounds. This study demonstrated that the PEF-US could be useful for the extraction of bioactive compounds as well as improving the stability of volatile compounds.
 

published in J Food Sci Technol

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