scholarly journals Prevention of Cap-Locking of Syrup Product by Treating the Manufacturing Process of Sugar Syrup with Citric Acid Monohydrate

2016 ◽  
Vol 19 (2) ◽  
pp. 190-196
Author(s):  
Mia Mohammad Dulal ◽  
Md Kaisarul Islam ◽  
Abu Asad Chowdhury ◽  
Jakir Ahmed Chowdhury
Keyword(s):  
Citric Acid ◽  
Manufacturing Process ◽  
Room Temperature ◽  
Pharmaceutical Journal ◽  
Invert Sugar ◽  
Citric Acid Monohydrate ◽  
Sugar Syrup ◽  
Bottle Neck ◽  
Zero Time

The aim of the study was to prevent crystallization of sucrose on the bottle neck and cap of sugar syrup containing products by treating the manufacturing process with citric acid monohydrate. Diphenhydramine HCl syrup was selected as a model product for the experiment. Sugar syrup (66% w/w sucrose) and partially inverted sugar syrup (in which 66% w/w sucrose was treated with citric acid monohydrate for partially conversion of sucrose into invert sugars) were prepared and the content of invert sugar of both the sugar syrups were determined. Sugar syrup and citric acid monohydrate treated sugar syrup (partially inverted) were considered as control and test sugar syrup, respectively which were used to manufacture the Diphenhydramine HCl syrup product. The Diphenhydramine HCl syrup product that prepared using sugar syrup was considered as control syrup product and that was prepared using citric acid monohydrate treated sugar syrup (partially inverted) was considered as the test syrup product. Then experiments were designed in such a way that both control (sugar syrup and product prepared by it) and test samples (partially inverted syrup and product prepared by it) were spread on open petridishes and also spread on the neck of filled bottle, inside of caps and the bottles, which were kept at room temperature (25 0C) for 2 weeks observation. At zero time and after two weeks, crystal growths of sucrose for each experiment were checked visually. No crystal was observed in open petridishes and bottle necks of partially inverted sugar syrup of Diphenhydramine HCl syrup prepared by using partially inverted sugar syrup, where content of invert sugars was more than 75 % w/w, but remarkable crystal growths were found in open petridishes and bottle necks of sugar syrup and Diphenhydramine HCl syrup prepared by using sugar syrup, where the content of invert sugars was less than 15 % w/w.Bangladesh Pharmaceutical Journal 19(2): 190-196, 2016

Authenticity of speciality sugars – Determination of carbohydrate source and geographical origin of invert sugar syrup and burnt sugar syrup

2017 ◽  
pp. 87-91
Author(s):  
Andreas G. Degenhardt ◽  
Elke Jansen ◽  
Timo, J. Koch
Keyword(s):  
Geographical Origin ◽  
Hydrological Cycle ◽  
Isotope Ratios ◽  
Saccharum Officinarum ◽  
Invert Sugar ◽  
C4 Plants ◽  
Yeast Fermentation ◽  
Carbohydrate Source ◽  
Sugar Syrup

Modern instrumental analytical methods for the determination of 13C/12C ratios are established to differentiate between metabolic products of C3 and C4 plants. Differentiation and identification of sucrose from pure beet (Beta vulgaris) and pure cane (Saccharum officinarum) are possible without doubt. Influenced by the worldwide hydrological cycle the determination of the isotope ratios of 2H/1H and 18O/16O as well as their variations provide information about geographical origin. Using samples of selected crystal cane sugar (CCS) with known origin, invert sugar syrups (ISS) as well as burnt sugar syrups (BSS) produced therefrom, the authenticity was determined. The speciality sugars ISS and BSS which were made from CCS could be identified as carbohydrates of C4 plants by using 13C/12C Isotope-Ratio Mass Spectrometry (IRMS). In combination with yeast fermentation of ISS and sugar separation from BSS and fermentation into ethanol as well as knowledge about production water, the C2-H/O isotope ratios of ethanol can theoretically determine the geographical origin of the sugars.

scholarly journals Study on printing wastewater treatment by decomposition reaction H2O2 catalyzed of complex between ion Ni2+ and citric acid

2020 ◽  
Vol 9 (4) ◽  
pp. 106-110
Author(s):  
Tue Nguyen Ngoc ◽  
Nghia Nguyen Trong ◽  
Thuong Nghiem Thi ◽  
Quang Tran Thuong ◽  
Trung Nguyen Duc
Keyword(s):  
Wastewater Treatment ◽  
Citric Acid ◽  
Industrial Wastewater ◽  
Room Temperature ◽  
Organic Pollutant ◽  
Decomposition Reaction ◽  
Efficient Treatment ◽  
Catalytic Role ◽  
Printing Processes

In this article, the results of the research on organic pollutant treatment in the wastewater of printing processes on fabric by H2O2 under the catalytic role of the complex between ion Ni2+ and Citric acid (H4L) were presented. The condition of pH, H4L/Ni2+, H2O2, Ni2+ concentration has been explored to get the optimal conditions for improving COD efficient treatment. The results provide the solutions of the homogeneous complex  catalysts in the industrial wastewater treatment at room temperature and atmosphere. 

scholarly journals Extraction, separation and identification of compounds from leaves of Solanum elaeagnifolium Cav. (Solanaceae)

2014 ◽  
Vol 3 (3) ◽  
pp. 234-239 ◽  
Author(s):  
Fakhri A. Elabbar ◽  
Nawil M.A. Bozkeha ◽  
Ashraf T.M. El-Tuonsia
Keyword(s):  
Room Temperature ◽  
Chromatographic Method ◽  
Pharmaceutical Journal ◽  
Spectroscopic Techniques ◽  
Extraction Separation ◽  
Medium Pressure Liquid Chromatography ◽  
Glass Silica ◽  
Solanum Elaeagnifolium ◽  
Solanaceae Family ◽  
First Time

Aim of the present study was to identify some phenolic compounds isolated from the dried powder leaves of Solanum Elaeagnifolium Cav. (Solanaceae family) collected from Benghazi area, Libya originally native in the Americas. The extraction was carried out with methanol at room temperature and treated by acidification (H2SO4, pH = 4) & basification (NH4OH, pH = 10). The compounds were separated by chromatographic method through a wet glass silica gel column and purification by medium pressure liquid chromatography (MPLC). The experiment yielded one novel compound named 2-(2-hydroxyphenoxy)-3,6,8-trihydroxy-4H-chromen-4-one [A3] and three previously known phenolic which were isolated for the first time from this plant under study (Quercetin [A1], Rutin [A2] & Mangiferin [A4]). The structures were determined using modern spectroscopic techniques (IR, EI-mass, 1H-NMR, 13C-NMR, APT, HMQC & COSY) using DMSO-d6 solvent in magnetic resonance application.DOI: http://dx.doi.org/10.3329/icpj.v3i3.17890 International Current Pharmaceutical Journal, February 2014, 3(3): 234-239

scholarly journals Preliminary cytotoxic activity of different extracts of Averrhoa bilimbi (fruits)

2013 ◽  
Vol 2 (3) ◽  
pp. 83-84 ◽  
Author(s):  
Md. Ramjan Ali ◽  
Marjan Hossain ◽  
Jannatul Ferdous Runa ◽  
Md. Hasanuzzaman
Keyword(s):  
Carbon Tetrachloride ◽  
Room Temperature ◽  
Methanolic Extract ◽  
Pharmaceutical Journal ◽  
Artemia Salina ◽  
Active Principle ◽  
Cytotoxic Potential ◽  
Potential Source ◽  
Soluble Fractions

The crude methanolic extract of Averrhoa bilimbi Linn. (Oxalidiaceae) fruits and its different fractions have been investigated for the evaluation of in vitro cytotoxic potential. The dried and powder fruits were extracted with methanol at room temperature and the concentrated methanolic extract was fractionated by the modified Kupchan partitioning method to provide pet-ether, carbon tetrachloride, chloroform and aqueous soluble fractions. Brine shrimp (Artemia salina) lethality bioassay was used to investigate the cytotoxic potential of A. bilimbi. Compared to vincristine sulfate (with LC50 of 0.839 µg/ml) methanolic extract, carbon tetrachloride and pet-ether soluble fractions demonstrated a significant cytotoxic potential (having LC50 of 0.005µg/ml, 1.198µg/ml and 0.781µg/ml, respectively). The LC50 values of chloroform and aqueous soluble fractions were 5.691µg/ml and 6.123µg/ml, respectively. This study reveals that A. bilimbi possesses effective cytotoxic properties and hence can be a potential source for the isolation of active principle(s) for cancer therapy.DOI: http://dx.doi.org/10.3329/icpj.v2i3.13634 International Current Pharmaceutical Journal, February 2013, 2(3): 83-84 

scholarly journals Stability of Parathyroid Hormone-Related Protein and Parathyroid Hormone at Room Temperature

1994 ◽  
Vol 31 (5) ◽  
pp. 497-500 ◽  
Author(s):  
G E Levin ◽  
J A Nisbet
Keyword(s):  
Parathyroid Hormone ◽  
Protease Inhibitor ◽  
Room Temperature ◽  
Related Protein ◽  
Blood Samples ◽  
Parathyroid Hormone Related Protein ◽  
Edta Plasma ◽  
The Stability ◽  
Serum Pth ◽  
Zero Time

The stability of plasma parathyroid hormone-related protein (PTHrP) as measured by the Nichols Institute assay at room temperature was assessed over a period of 72 h in blood samples collected in protease inhibitor tubes and EDTA tubes at 0, 6, 24, 48 and 72 h from 10 patients with hypercalcaemia of malignancy. Mean plasma PTHrP concentrations in blood samples collected in protease inhibitor tubes remained stable for up to 48 h but had decreased by 10% at 72 h. The mean EDTA plasma PTHrP at zero time was 67% of the protease inhibitor tube value and this had fallen to 39% at 72 h. The stability of parathyroid hormone (PTH) in separated blood samples was also assessed by collection into heparin and plain tubes as well as EDTA and protease inhibitor tubes. Serum PTH concentrations progressively declined throughout the 72 h study period although the zero time values were significantly higher than corresponding plasma PTH concentrations. Plasma PTH concentrations appeared to be stable when blood was collected in heparin, EDTA and protease inhibitor tubes during the 72 h period, except in one subject with markedly elevated plasma amylase activity.

Effect of fuel content on luminescence and antibacterial properties of zinc oxide nanocrystalline powders synthesized by the combustion method

RSC Advances ◽  
2016 ◽  
Vol 6 (100) ◽  
pp. 97770-97782 ◽  
Author(s):  
Trilok K. Pathak ◽  
Ashwini Kumar ◽  
C. W. Swart ◽  
H. C. Swart ◽  
R. E. Kroon
Keyword(s):  
Zinc Oxide ◽  
Citric Acid ◽  
Antibacterial Properties ◽  
Combustion Method ◽  
Zinc Nitrate ◽  
Zinc Nitrate Hexahydrate ◽  
Nanocrystalline Powders ◽  
Nitrate Hexahydrate ◽  
Citric Acid Monohydrate ◽  
Zno Powders

Nanoscale ZnO powders were synthesized via the combustion method using zinc nitrate hexahydrate as the source (oxidant) material and urea, and glycine or citric acid monohydrate as fuels.

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