The bacteriological quality of different brands of bottled water available to consumers in Ile-Ife, south-western Nigeria

BMC Research Notes

Adebayo Lamikanra¹  Oluwatoyin A Igbeneghu¹ 

[1]Department of Pharmaceutics, Obafemi Awolowo University, Ile-Ife, Nigeria

关键词: Water bottling companies;    Indicator organisms;    Coliforms;    Water quality;    Bottled water;   

Others  :  1118117
DOI  :  10.1186/1756-0500-7-859

 received in 2013-09-06, accepted in 2014-11-18,  发布年份 2014

【 摘 要 】

Background

The upsurge in the demand for bottled water has prompted the interest of many manufacturers in the production of bottled water and very many water bottling companies are therefore involved in its production. These range from large scale multinational companies to medium scale business enterprises, institutional and government business investment companies as well as small scale entrepreneurs. There is however little information on the comparative quality of bottled water brands produced by different classes of water bottling companies in Nigeria. This study was undertaken to determine the bacteriological quality of brands of bottled water available to consumers in Ile-Ife.

Methods

Forty-three samples of bottled water comprising of three batches each of thirteen bottled water brands and two batches of two brands were purchased and analyzed for total bacterial count, presence of coliform and the presence of other bacterial indicators of drinking water quality.

Results

Only 67.4% of the water samples representing the products of 10 companies or 66.7% of the brands had heterotrophic counts within the acceptable limits. Coliforms present in 100 ml of water were detected in 26.7% of the bottled water brands. Other indicator organisms detected included Staphylococci isolated from 27.9% of the samples (33.3% of the brands) and specifically Staphylococcus aureus found in four brands constituting 14% of the samples. Pseudomonas strains were consistently detected in consecutive batches of three brands of the water samples.

Conclusions

Bottled water samples produced by the large scale multinational producers were of acceptable bacteriological quality unlike those produced by most small companies. Significance and Impact of Study: There is need for a greater control of water bottling processes carried out by commercial bottled water producers in Nigeria.

【 授权许可】

   
2014 Igbeneghu and Lamikanra; licensee BioMed Central Ltd.

【 参考文献 】

• [1]Nester EW, Anderson DG, Roberts CE Jr, Pearsall NN, Nester MT Hurley D: The Molecules of life. In Microbiology A Human perspective. 4th edition. New York: McGraw Hill; 2004.
• [2]Omoniyi BB, Abu Z: The economic analysis of the profitability of small-scale pure water production in Nigeria (a case study of Jabu packaged water factory). Afro Asian J Soc Sci 2012, 3:1-24.
• [3]Reynolds KA: The microbial quality and safety of bottled water. Water Cond Purif 2005, 47:39-40.
• [4]Babatunde MA, Biala MI: Externality Effects of Sachet Water Consumption and the Choice of Policy Instruments in Nigeria: Evidence from Kwara State. J Economics 2010, 1(2):113-131.
• [5]Palmera-Suarez R, Garcia P, Garcia A, Barrasa A, Herrera D: Salmonella kottbus outbreak in infants in Gran Canaria (Spain) caused by bottled water, August- November 2006. Eurosurveillance 2007, 12(28):3235. Available online: http://www.eurosurveillance.org/ViewArticle.aspx?ArticleId=3235 webcite
• [6]Eckmanns T, Oppert M, Martin M, Amorosa R, Zuschneid I, Frei U, Ruden H, Weist K: An outbreak of hospital acquired Pseudomonas aeruginosa infection caused by contaminated bottled water in intensive care units. Clin Microbiol Infec 2008, 14:454-458.
• [7]Martins CHG: Microbiological monitoring of mineral water commercialized in Brazil. Braz J Microbiol 2011, 42:554-559.
• [8]Varga L: Bacteriological quality of bottled natural mineral waters commercialized in Hungary. Food Control 2011, 22:591-595.
• [9]Kassenga GR: The health-related microbiological quality of bottled drinking water sold in Dar es Salaam, Tanzania. J Water and Health 2007, 5(Suppl 1):179-185.
• [10]Magda MA, Engy MA, Mohamed MK: Quality of Bottled Water Brands in Egypt Part II: Biological Water Examination. J Egypt Public Health Assoc 2008, 83(Suppl 5 & 6):467-486.
• [11]Gholam K, Ahmaad Z, Abolfazi K, Mehdi F, Mansoor G, Asma Z: Bacteriological evaluation of bottled water from domestic brands in Tehran market Iran. World Applied Sci J 2010, 8(Suppl 3):274-278.
• [12]Onweluzo JC, Akuagbazie CA: Assessment of the bacteriological quality of bottled and sachet water sold in Nsuka town. Agro-Sci J Trop Agr Food Environ Ext 2010, 9(Suppl 2):96-102.
• [13]Oyedeji O, Olutiola PO, Moninuola MA: Microbiological quality of packaged drinking water brands marketed in Ibadan metropolis and Ile-Ife city in South Western Nigeria. Afr J Microbiol Res 2010, 4(Suppl 1):96-102.
• [14]Marzano MA, Ripamonti B, Balzaretti CM: Monitoring the bacteriological quality of Italian bottled spring water from dispensers. Food Control 2011, 22(2):333-336.
• [15]Semerjian LA: Quality assessment of various bottled waters marketed in Lebanon. Environ Monit Assess 2011, 172(1–4):275-285.
• [16]WHO: Guidelines for Drinking-Water Quality. 4th edition. Geneva: World Health Organization; 2011.
• [17]Wadhwa SG, Khaled GH, Edberg SC: Comparative microbial character of consumed food and drinking water. Crit Rev Microbiol 2002, 28:249-279.
• [18]Stine SW, Pepper IL, Gerba CP: Contribution of drinking water to the weekly intake of heterotrophic bacteria from diet in the United States. Water Res 2005, 39:257-263.
• [19]Bartram J, Cotruvo J, Exner M, Fricker C, Glasmacher A: Heterotrophic Plate Counts and Drinking-water Safety. London, UK: World Health Organization (WHO) Published by IWA Publishing; 2003.
• [20]United States Environmental Protection Agency (USEPA): Bottled water vs. bottleless water coolers. Canada: Pure Natural System INC; 2008.
• [21]Food Safety Authority of Ireland (FSAI): 3rd National Microbiological Survey 2007 (07NS3): Microbiological safety and quality of bottled water. http://www.envirocentre.ie/includes/.../FSAIreportbottled_water2008[1].pdf webcite
• [22]Addo KK, Mensah GI, Bekoe M, Bonsu C, Akyeh ML: Bacteriological quality of sachet water produced and sold in Teshie-Nungua suburbs of Accra, Ghana. Afr J Food Agric Nutr Dev 2009, 9:1019-1030.
• [23]Morais PV, Mesquita C, Andrade J-L, da Costa MS: Investigation of persistent colonization by Pseudomonas aeruginosa – like strains in a spring water bottling plant. App Environ Microbiol 1997, 63(Suppl 3):851-856.
• [24]Environment Agency, UK (EAUK): The Microbiology of Drinking Water - Part 1 –Water Quality and Public Health. 2002.
• [25]Hunter PR: The microbiology of bottled natural mineral water. J Appl Bacteriol 1993, 74(Suppl 4):345-352.
• [26]Okeke IN, Lamikanra A: Bacteriological quality of skin-moisturizing creams and lotions distributed in a tropical developing country. J Appl Microbiol 2001, 91:922-928.