IOSR-JESTFT   Volume-10 ~ Issue-11 ~ November 2016

Abstract: In the present study, bio reduction of hexavalent Chromium, a transition metal, known for its high solubility and carcinogenicity, using a sewage isolate was tested under controlled laboratory conditions. The objective of the study included determination of the extent of bio degradation of Cr[VI] by the isolate, characterization of the isolate and testing the degradation potential of the isolate under variable conditions of PH and temperature.The bacterial isolate was identified to be a Gram negative coccobacillus, Acinetobacter iwofii which shows the capacity to reduce Cr[VI]at concentration as high as 60 ppm at a temperature of 55⁰C and PH ranging from 6-8 in aerobic conditions..........

KeyWords: Acinetobacter iwofii, Chromium, Hexavalent, Trivalent

[1]. Haferburg Gotz, Erika Kothe (2007): Microbes and metals: Interactions in the environment, J Basic Microbiol 2007,47,453-467.
[2]. Gupta Anil k, Mohammad Yunus and Pramod K Pandey (2003) Bioremediation: Eco technology for the present century, the archives of environews- Newsletter of ISEB India, Vol 9 No 2
[3]. Natural and Accelerated Bioremediation Research (NABIR) Program, Office of Biological and Environmental Research, Office of Science, U.S Department of Energy. What is Bioremediation, 2nd edition 2003.
[4]. Sarangi Abhipsa and Chandraraj Krishnan (2009): Enzymatic reduction of hexavalent chromium in bacteria, Envis Centre Newsletter Vol 7, Issue 2
[5]. Cárdenas- Gonz' alez Juan F. and Ismael Acosta – Rodriguez (2010): Hexavalent chromium removal by a Paecilomyces sp. Fungal strain isolated from Environment. Bioinorganic Chem Appl Volume 2010, Article ID 676243,6 pages

Abstract: The anti-aflatoxigenic effect of Afromomum daniellion peanut balls (kulikuli) and the acceptability of the product were studied. A total of nine (9) samples including the raw material were analyzed using four different Aframomum danielli levels. Four of thesamples were produced without the peanut skin and four were produced with the peanut skin. Peanut ball samples were treatedwith 0, 25, 50 and 100ppm of Afromomum daniellipowder. Proximate analysis of the samples was done and the Kinetics of total aflatoxin reduction was quantified using enzyme-linked immunosorbent assay (ELISA)...........

KeyWords: Peanuts, Peanut balls,kulikuli, Aframomumdanielli, anti-aflatoxigenicagent, aflatoxin

[1]. Adebajo, L.O. & Idowu, A.A. (1994). Mycoflora and aflatoxin in a West African corn-groundnut based convenience food. Mycopathologia, 126: 21-26.
[2]. Adegoke, G. O. & Skura B. J. (1994). Nutritional profile and Antimicrobial spectrum of the spice Aframomum danielli.African Journal of Biotechnology, Vol. 3, No 9, pp 451-455.
[3]. Aletor, O. & Ojelabi, A. (2007). Comparative Evaluation of the nutritive and functional attributes of some traditional Nigerian snacks and oil seed cakes. Pakistan Journal of Nutrition, 6 (1): 99-103.
[4]. Altschul, A. M. & Wilcks, H. L. (1985). New Protein Foods. Food American Oil Chemist Society, Spring Berlin/Heidelberg, 1558-9331, Vol-48, No 10, 605-610.
[5]. Aroyeun, S. O. & Adegoke, G. O. (2007). Reduction of ochratoxin A (OTA) in spiked cocoa powder and beverage using aqueous extracts and essential oils of Agramomum danielli. Afr. J. Biotech., 6: 612-616.

Abstract: The physical, chemical and microbiological qualities of borehole water samples in Enugu, south-East, Nigeria were studied. Water samples were collected from ten boreholes sited in different locations and analyzed. The result of the physical analysis of samples revealed that all the samples met the recommended WHO standards for appearance, colour, taste and odour. The chemical analysis of the samples also showed that nine of the samples had the pH values that were within the range of 6.5-8.5 set by WHO. The lead levels of four out of the ten borehole water samples were much higher than the WHO recommended value of 0.05mg/l. In addition, the concentration of iron in all the test samples was higher than the value of 0.3mg/l recommended by WHO. However..........

KeyWords: Borehole water, qualities, physical, chemical, microbial, standards

[1]. Abara, F.N., Obiekezie, S.O., R.A. Onyegbula, and Nwaugo, V.O. (2005). Physicochemical characteristics of Ivo River, Ebonyi State, Nigeria. International Journal of Pure and Applied Sciences; 1(2):145 – 149.
[2]. Agwung, F.D., Ifeanyi, V.O., Kanu, C.O., Okeke, E.V., and Onome, K.D. (2006). Microbial qualities of ready to eat meats sold in Elele, Rivers State, Nigeria. International Journal of Biotechnology and Allied Sciences; 1(1):14 – 18.
[3]. Ajewole, I.A. (2005). Water: An Overview. Food Forum; 4(1): 15-16.
[4]. Anyanwu, N.O. (2001). Biochemical examination of water from hand dug wells and boreholes located in Ado-Ekiti, Ekiti State, Nigeria. African Journal of Experimental Studies; 2:176 – 182.
[5]. Dada, A.C. (2009). Sachet water phenomenon in Nigeria: Assessment of the potential health impacts. African Journal of Microbiological Research; 4(1):15 – 21.

Abstract: Wetlands are highly productive ecosystems as they represent the transition zone between terrestrial and aquatic ecosystems. They are lowlands which receive huge nutrient inputs from the catchment areas. The present study envisages the phytosociology and biomass changes of emergent macrophytes in the Hokersar wetland during the study period (Jan 2012-Dec 2012). The phytosociological studies showed that Phragmites australis Sparganium erectum, and Typha angustata were the most diverse emergent species growing in the wetland..........

KeyWords: Hokersar wetland, phytosociology, biomass allocation, Carbon Sequestration Potential, cover percentage.

[1]. Allen, S. E., 1989, Analysis of vegetation and other organic materials. In Chemical analysis of ecological materials, edited by S. E. Allen (Oxford: Blackwell Scientific Publications) pp. 46-61.
[2]. Chambers, P. A., Lacoul, P., Murphy, K. J. and Thomaz, S. M. 1999. Global diversity of aquatic macrophytes in freshwater. Hydrobiologia. 595 (1):9-26. [3]. Curtis, J.T. & R.P. McIntosh. 1950. The interrelations of certain analytic and synthetic phytosociological characters. Ecology 31: 434-455.
[4]. Harold, F. and Heady 1958. Vegetational changes in the California Annual type. Ecology, 39: 402-416.

[5]. Kaul, V. and Zutshi, D.P. 1967. A study of aquatic and marshland vegetation of Srinagar. Proc. Nat. Inst. Sci. India 33: 111-127