182 research outputs found

    The effect of solar cells distribution on the Performance of solar panel

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    Three different distribution modules of silicon solar cells in a panel are used in this study . Each module consists of five identical circular silicon solar cells of radius (5cm) and then the total panel areas are identical. The five solar cells are arranged in the panel in different shapes: circular, triangular and rectangular .The efficiency for these three panel distribution are measured indoor and outdoor. The results show that the efficiency is a function of the cells distribution

    Effect of Supplementation of Yoghurt with Syrup of Date Palm Pomace on Quality Properties Products

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    Dates are a popular fruit among the population of Middle Eastern countries, providing a staple food for millions of people around the world. The by-products arising from date processing can be used for different purposes, due to its contents of polyphenols, antioxidants, fibers and minerals. Date palm pomace powder with 2, 4, 6% concentration were used in processing of yogurt. The possible beneficial effects of date palm pomace powder on the rheological, sensory, microbial quality of yogurt-based products were determined. Comparisons were made between the sample yogurts made from different concentration of supplemented date palm pomace yogurt, and controls. The incorporation of date palm pomace reduced product syneresis and improved the texture and sensory characteristics of the supplemented yogurts so that their quality characteristics were similar or more acceptable by the panalists than control yogurt. Pomace of the date palm at low level (2 and 4%) were effective in improving whey retention of the yogurt and its sensory qualities. While, high level (6%) of date palm powder was exert significant improvements of textural characteristics of yogurt but, the color and harchy taste which were un-acceptable by panelists. In addition of that, the microbial contents were diminished and very low in some of these products. So that we could be successfully utilized that by-product of date palm to produce enriched different products, one of them dairy product which is high in dietary fiber, mineras and many antioxidants to modulate the harmful of dairy product. Keywords:Date palm pomace-yogurt supplemented food- sensory properties-physico-chemical analysis-microbial content

    Effect of Consumption Dried Apple Peel and Ginger on Blood Level of Cholesterol

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    This experiment conducted and applicated in the Budget Clinic in a Rashed district, Baghdad supervised by Dr. Haatum Al-Aithawy in June-August, 2014. This experiment conducted on samples of women who suffering from high blood pressure, cholesterol, triglyceride, and blood sugar. Fifty married and dyewood women were selected randomly with age ranging between 30-60 years. Twenty fife women were given dried red apple peel powder, other 25 women were given dried ginger powder, in a laboratory tablet in dose of 3 tablet /day/for 5-6 weeks. The blood pressure and lipid profile been measured for the studied samples before and after treatment. Medical tests been done statistically analyzed before consuming the suggesting powder of apple peel or rhizomes ginger for 25 ladies, it was found that 56% upon them suffering from high blood pressure (hypertension stage 2 ≥ 160 mmHg), 36% upon them suffering from high blood pressure (hypertension stage 1 range from 139-150 mmHg) and 8% upon them suffering from high blood pressure (prehypertension 120-139 mmHg). After starting our experiment with the same samples and after giving dried apple peel powder, it was found that a high significant differences as the percentage of the women who was suffering from high blood pressure decreased from 56% to 8%, and increase in women percentage to 60% and 24% who suffering from hypertension stage 1(139-150 mmHg) and prehypertension respectively.Lipid profile showed that 100% of women who were suffered from high cholesterol, 96% upon them suffering from triglyceride and 96% upon them suffering from high blood sugar. At the end of our experiment with the same samples who giving dried apple peel powder, it was found that high statistically significant differences as the percentage of the women who was suffering from high cholesterol decreased from 100% to 80%, and from 96% to 80% for triglyceride and from 96% to 64% for high blood sugar.  In addition of that, it was improved the appetite, comfortable feeling and feel painless arrhythmias in elderly ladies in comparison with chemical medicine used and its side effect. Also, for the 25 ladies sample who consummated dried ginger powder tablet daily / for 5-6 weeks, the results showed high statistically significant differences for each blood pressure profile (prehypertension, hypertension stage 1, and hypertension stage 2) and lipid profile (cholesterol, triglyceride, and blood sugar).So we could concluded that, the dried apple peel and the dried ginger almost have the same high positive effect on blood pressure profile and lipid profile, so the possibility of using dietary plants as a tablet instead of chemical drug (medicine) very important for treating human who are suffering from blood pressure and high lipid. So, for all the above facts, this type of studies and researches should be supported and encouraged the National medicine products against the imported chemical medicine.         Keywords: Dried red apple peel flour, Dried Ginger flour, Blood pressure profile (prehypertension, hypertension stage 1, and hypertension stage 2), Lipid profile (cholesterol, triglyceride, and blood sugar)

    A Case of Gastric and Duodenal Strongyloidiasis

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    Strongyloides stercoralis is a nematode parasite which causes a protracted asymptomatic intestinal infection. It is considered a life threatening condition in immunocompromised patients when hyperinfection is associated with disseminated disease. The diagnosis by routine stool examination is very limited since the larval output in stools is very low. We present the case of a 52 year-old Omani man from Salalah, in the southern region of Oman, with a 15-year history of type 2 diabetes mellitus and recently discovered to have hairy cell leukaemia, who complained of nausea, abdominal pain, loss of appetite and loss of weight. An oesophagogastroduodoscopic biopsy was obtained and histopathologic examination revealed gastrointestinal strongyloidiasis.

    Hybrid(Luminescent and Fresnel ) Concentrators to Improve Solar Panel Conversion Efficiency

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    The spectral response of the Si solar cell does not coincidence with the sun irradiance spectrum, so the efficiency of the Si solar cell is not high. To improve the Si solar cell one try to make use of most region of the sun spectrum by using dyes which absorb un useful wavelengths and radiate at useful region of spectrum (by stock shift). Fluorescence's dye is used as luminescent concentrator to increase the efficiency of the solar cell. The results show that the performance efficiency and out power for crystalline silicon solar cells are improved

    Evaluation of Inhibitory Activity of Cordia Myxa Fruit Extract on Microorganisms that Causes Spoilage of Food and Its Role in the Treatment of Certain Disease States

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    The study of chemical content and aqueous and alcoholic extracts of Aplomb's  fruit and then detect the chemical components effective it aggregates and also, studying the effectiveness of inhibitory to extracts toward isolates bacterial different: E.coli, Pseudomonas flurscence, Salmonella, Shegilla and Staphylococcus aureus, where the results showed that the fruit Alpmbr containing 63.9% carbohydrate, 8.6% protein, 6.7% ash and 9.9% fat, so that the fruit Alpmbr high content of carbohydrates and fat shows that fat contains a high percentage of saturated fats, such as fatty acid, lauric acid ratio was 48.3% and Myristic acid was 15.8%, as well as that it contains a significant proportion of unsaturated fatty acid such as oleic by 12.4%, which is an important and basic nutrition and health for human. The fruit Alpmbr of mineral content was high proportion of potassium 29 ppm and sodium element was 13 ppm. It was found that either metallic zinc and calcium were accepted by Iraqi Standard. Heavy metals such as Cadmium, chromium and copper were not diagnose which is toxic elements, so it may be considered the fruit of Alpmbr is a safe fruits to-use and useful for health. To test the activity of the functional chemical components, it was found that high content of alkaloids, Saponin, Comarines, and Gums, and a reasonable rates of resins and Steroid, multiple phenols, flavonoids and Glycosides, tannins and oily nitrogeneous materials oily with low content. The pH of the aqueous extracts is 7.0 and alcoholic extract was 6.5 that means the fruits is neutral acidity. As for the inhibition  activity toward the bacterial isolates were higher effective inhibitory concentration 200mg / ml of aqueous extracts a diameter of 26mm against Pseudomonas flurscence and 25 mm for the both of Salmonella and E.coli. While, it decrease significantly to 19mm towards both Shegilla and Staphylococcus aureus. But with alcoholic extract concentration 200mg / ml has decreased significantly to 25 mm diameter towards Staphylococcus aureus and 20mm in E.coli and Shegilla.  Also the same significant decreases towards the Salmonella 19mm and 16mm towards the bacteria Pseudomonas flurscence. The sensitivity of the bacterial isolates for the  antibiotics inhibition diameters was 20 mm, of Erthromycin against Salmonella.  And the diameter of Oxacillin was 17 mm against Staphylococcus aureus, but Optimdex T was a very highly effective against all bacterial isolates. Keywords: Cordia myxa-Chemicals content-Minerals-Bacterial inhibition activet

    Effect of Lupin (Lupinus albifrons) Flour on Microbial and sensory properties of local Yoghurt

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    This study conducted and implicated in the General State Company for Dairy Products, Abu-Ghraib/ Baghdad/Iraq in February to April /2014. Two different sweet lupin seed (Jordanian, Egyptian) origin were used for this study which been imported from the local markets. Soaking and boiling process (de- bittering process) of lupin seeds was used to destroy thermo-labile anti-nutritional factors, such as trypsin inhibitors, phytic acid and to soften the seed. It was been found that, the concentration (2, 4, 6)% of lupin seed supplementation for each origin (Jordan and Egypt) are the best in dairy product supplementation after conducting many different tests to see the best degree of agreement by the specialized panelists in the dairy company. The physicochemical analysis of the supplemented yogurt with different concentration (2, 4, and 6) % of Jordanian and Egyptian lupin flour showed that, it does not affect the percent of fat content statistically. But, there were clear positive statistical significant differences in the total solid. Also, there were statistically positive correlation between lupin flour concentration addition and total solid of the yogurt product which does affect directly the texture of the yogurt. There were statistically positive correlation between lupin flour concentration supplement and the pH of the yogurt product which does affect directly the flavor and taste of the yogurt product by the consumers. Thus, increasing the concentration of the supplementation with lupin flour lead to decrease the acidity and increase the pH in yogurt products significantly. Sensory evaluation of the supplemented yogurt product were showed that the 2 and 4% of lupin flour for both origin were the highest positive effect on physicochemical and sensory scores (flavor, taste, acidity, texture and consistency, appearance, and the total properties). Also, it was found that, the period of storage (1-14 days) did not affect the physicochemical and sensory evaluation clearly of the supplemented lupin dairy product. Therefore, we recommended the possibility of supplementation of yogurt with sweet lupin flour for its healthier and structural effect on human health to these kind of products. Keywords: Dairy product, Supplementation, Lupin flour, Physicochemical properties, Sensory evaluation, microbial content. 

    Effect of consumption supplemented strained yoghurt with vegetables on reducing weight of obese women samples

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    Obesity during adulthood is a public health problem in modern society, and increasingly universal disease that is turning into an epidemic one. The main cause of the excessive deposition of fat is the destruction of the systems controlling the expenditure of energy. Pathological increase of mass fat leads to disorders of the body, and lipid-carbohydrate parameters, raise the development of vascular diseases and increases the risk of morbidity and mortality. A substantial body of data has elicited over the last five years to show  that dairy foods especially low-fat yogurt modulate weight loss and has some unique properties that may enhance its role in maintenance of healthy weight. Regular physical activity is an important as what we eat for losing, maintains weight and keeping our heart healthy. Being active helps burn calories, tone our muscles and control our appetite.  The aim of this study is to demonstrate the impact of diet which was restricted in its energy by consuming concentrated yogurt daily and physical activity changes in the body weight, body mass index, and in the parameters lipid- cholesterol of women's adulthood.  Low-fat yogurt, restricted energy consumption with at least three times exercises weekly inversely associated with body weight, BMI, and WC (all p< 0.05). Also, consumption of low-fat yogurt and exercising daily was associated inversely with blood glucose, cholesterol and lipid parameter (all p< 0.05). Within a sample of obese adults women, consumption of low-fat dairy product and increases the physical activity with restricted energy ingestion  was associated with more favorable body composition. Keywords: Obesity, diet-yogurt, physical activity,  BMI-blood lipid, parameter
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