ORIGINAL RESEARCH ARTICLE | Feb. 27, 2021
Effect of Helium-Neon Laser (632.8nm) on some physiochemical Properties of Gum Arabic (Acacia senegal)
Namarigh Eltigani Mohamed, Mohammed Bahreldin Hussein, Yassen Mohammed Mosa Salih, Wafa Omer Ahmed
Page no 6-9
This study was aimed to modify some physiochemical properties of Gum Arabic and it's Emulsions by using laser irradiation. The sample of Acacia senegal Gum was collected in December 2018 from Aburai Area, Ghibaish Locality-West Kordofan State. The sample was shade dried and ground at Agricultural Research Corporation (ARC) in El-Obied. The aqueous solution of the sample was prepared with concentration 20% (w/v) and used as a test sample. Some of unirradiated aqueous solution was taken as control and the remaining portion was irradiated for different periods of time (5,10,15,20 and 25 minutes) by He-Ne Laser at 632.8nm wavelength and power 3mw using the pulse at Department of laser in Al-Neelain University – Khartoum. The irradiated samples were transported to analysis at Laboratories of Sudanese Petroleum Corporation (SPC). The results showed that there was no change in values of electrical conductivity and pH, whereas the value of the emulsifying stability and the viscosity offered by the emulsion were increased with increasing irradiation period comparing with the control. The Fourier Transform Infrared (FTIR) spectroscopy technique indicated that there was no change in some functional groups such as (O-H, C=O, C-O, and CH2) which were accompanied with absence of (C-X) at (10, 15, 20 and 25 minute) with formation of multiple bonding of nitrogen compounds at (10 and 15 minute) due to the effect of irradiation process. This study recommends that further work should be done to test other factors which may be had an effect on the emulsifying stability, also recommends to study the effect of He-Ne laser on Gum Arabic at another wavelength.