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• Open Access   Article

  Determination of Patient Perception on Hospital Diet and Quantitative Analysis of Salt, Crude Fat and Crude Protein Contents of Hospital Diets in Three Major Hospitals, Colombo, Sri Lanka- A Preliminary Study

  T.P. Sathsara S. Perera, Pahan I. Godakumbura, A. Buddhika G. Silva, Renuka Jayatissa, P.G. S. M. De Silva

  Research Paper | Journal-Paper (IJSRCS)

  Vol.8 , Issue.2 , pp.1-10, Apr-2021

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  Abstract
  Identifying deficiencies in hospital diet service and finding consumer needs regarding meals provided to them is a timely need in the health care sector. There are no published data on nutrient analysis of hospital diet coupled with patient perception in Sri Lanka. This study was carried out to determine the perception of patients on hospital diet and to analyze some basic contents of diets in three major hospitals in Colombo district, Sri Lanka. These hospitals cater three categories of patients; Adults, Pregnant Women (PW), and Children. The meal analysis was done following AOAC standard methods (Protein by the Kjeldahl method, fat by the Soxtec method, salt by the Volhard method). The percentages of hospital diet consumption were, adults 43%, PW 21%, children 38%. The overall satisfaction of a majority who consumed hospital diet was good in all three hospitals. The excess percentages of salt content in the hospital diet than the Recommended Daily Allowance (RDA) were, adults 21.2%, PW 70.6%, children 31.6%. Protein contents in the adult, children and maternity hospitals were 23.79± 2.89, 32.17 ±2.89 and 57.14± 6.66 grams/day respectively. Only children and maternity hospital diets fulfill the RDA of proteins. Percentage calories from fat in the adult and the children hospitals were 14.45%±1.21and 18.80%± 1.13. Only in the maternity hospital the percentage of calories from fat 21.14± 0.79 was within the range of RDA. Continuous monitoring of hospital diet and regular communication with patients is recommended to improve the hospital diet service regarding patient satisfaction and food quality.

  Key-Words / Index Term
  Hospital diet, fat, protein, salt, pateint perception

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  Citation
  T.P. Sathsara S. Perera, Pahan I. Godakumbura, A. Buddhika G. Silva, Renuka Jayatissa, P.G. S. M. De Silva, "Determination of Patient Perception on Hospital Diet and Quantitative Analysis of Salt, Crude Fat and Crude Protein Contents of Hospital Diets in Three Major Hospitals, Colombo, Sri Lanka- A Preliminary Study," International Journal of Scientific Research in Chemical Sciences, Vol.8, Issue.2, pp.1-10, 2021

• Open Access   Article

  Regeneration of Phenol Exhausted Activated Carbons Used In the Operations of Water Treatment by Domestic Microwave Oven

  Mohamed Dawam, Mohamed A. Elsayed, Mohamed Nasser, Nabil. Abdelmonem

  Research Paper | Journal-Paper (IJSRCS)

  Vol.8 , Issue.2 , pp.11-17, Apr-2021

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  Abstract
  In this work, the regeneration of spent granular activated carbons (GAC) saturated with phenol was studied. The process was conducted in an aqueous solution via domestic microwave oven. The investigation was achieved to evaluate its adsorption efficiency after successive regeneration cycles and to ensure its practical feasibility. Different factors have been studied such as microwave power level, pH of the solution, weight of the active carbons; volume of the regenerated solution, number of adsorption and regeneration cycles. A mathematical model has been developed to measure the regeneration efficiency of the GAC adsorption capacity. It was found that, for the same power level, as the time of exposure increases, the regeneration efficiency increases. As, the microwave oven power increase from 160 to 800 W, the regeneration efficiency increases from 60 to 90% after 1.5 min of radiation time, during the regeneration process the pH of the solution increase from about 6.03 to 7.15, after 4-5 adsorption/regeneration cycles the adsorption efficiency falls down from 90 to 55%.

  Key-Words / Index Term
  Regeneration, adsorption, desorption, microwave, active carbon, phenol removal

  References
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  Citation
  Mohamed Dawam, Mohamed A. Elsayed, Mohamed Nasser, Nabil. Abdelmonem, "Regeneration of Phenol Exhausted Activated Carbons Used In the Operations of Water Treatment by Domestic Microwave Oven," International Journal of Scientific Research in Chemical Sciences, Vol.8, Issue.2, pp.11-17, 2021

• Open Access   Article

  Simple, Fast, and Cheap Electrochemical Detection of Niclosamide Using Activated Screen Printed Carbon Electrode

  H.H. Tesfu, Y.K. Li, T. Merid

  Research Paper | Journal-Paper (IJSRCS)

  Vol.8 , Issue.2 , pp.18-25, Apr-2021

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  Abstract
  A simple, scalable, and low-cost electrochemically activated SPCE was prepared by LSV using 0.5M KOH. The surface of the activated-SPCE was assessed by CV and SEM and gives higher conductivity than the bare and was used for niclosamide determination. The electrochemical determination of niclosamide was analyzed in 30% DMF BRB solution pH 7.5 by SWV. Using the optimal SWV parameter linear curve in the range of 0.06 to 50 µM with 0.0051 µM limit of detection and 0.017 µM limit of quantification was obtained. The developed sensor was implemented for niclosamide determination in vegetable and urine samples and good recovery results are obtained.

  Key-Words / Index Term
  Niclosamide, KOH, simple, activated, fast

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  Citation
  H.H. Tesfu, Y.K. Li, T. Merid, "Simple, Fast, and Cheap Electrochemical Detection of Niclosamide Using Activated Screen Printed Carbon Electrode," International Journal of Scientific Research in Chemical Sciences, Vol.8, Issue.2, pp.18-25, 2021

• Open Access   Article

  Perspectives of Wine Lees Application in Poultry Farming

  T. Kanchaveli, L. Gurgenidze

  Research Paper | Journal-Paper (IJSRCS)

  Vol.8 , Issue.2 , pp.26-29, Apr-2021

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  Abstract
  Almost all industries imply production not only the target products but the industrial waste materials as well, which are received during the processing of multicomponent raw materials. Industrial wastes may contain compounds which can be converted into useful products after mechanical, thermal or chemical treatment. Thus, any waste may become a useful raw material to receive different products. That is why industrial wastes should be considered as a resource of secondary material. In our experiments we have used one of the secondary products of winemaking - red wine lees, which are rich in biologically active substances. A protein concentrate prepared from the lees was tested in poultry farming to increase productivity.

  Key-Words / Index Term
  red wine, by-products, wine lees, proteins, protein concentrate

  References
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  Citation
  T. Kanchaveli, L. Gurgenidze, "Perspectives of Wine Lees Application in Poultry Farming," International Journal of Scientific Research in Chemical Sciences, Vol.8, Issue.2, pp.26-29, 2021