Abstract
The physical, chemical and microbiological qualities of 17 brands of bottled and sachet water sold in Nsukka town were evaluated to ascertain compliance with recommended standards by World Health Organization (WHO) and National Agency for Food and Drug Administration and Control(NAFDAC). Physical parameters like Total suspended and dissolved solids, turbidity and conductivity were determined by instrumental methods. Cationic and anionic constituents were determined by standard titrimetric and spectrophotometric methods. The study revealed that all the brands of wateranalyzed were physically and chemically wholesome and met the WHO standards (also adopted by NAFDAC). Four brands (24%) of the water had total viable count above the recommended count of 1000cfu/ml while 88% of the brands had coliform count above the recommended count of zero cfu/ml.
Highlights
Water of good drinking quality is of basic importance to human physiology and man’s continued existence depends very much on its availability
The aim of the study was to evaluate the physical, chemical and microbial qualities of sachet and bottled water sold in Nsukka town and ascertain compliance with specified World Health Organization (WHO)/NAFDAC standards. 2001; Ajewole, 2005)
At the time of the study, there were seventeen (17) brands of sachet and bottled water sold in Nsukka town out of which 11 brands were produced within Nsukka town while 6 brands were produced outside the town
Summary
Water of good drinking quality is of basic importance to human physiology and man’s continued existence depends very much on its availability. An average man (of 53 kg – 63 kg body weight), requires about 3 litres of water in liquid and food daily to keep healthy (Wardlow et al, 2004). This fact apparently accounts for why water is regarded as one of the most indispensable substances in life and like air it is most abundant. Despite its abundance, good quality drinking water is not readily available to man. Unavailability of good quality drinking water is wide spread and this has serious health implications. Water is said to be portable when its physical, chemical and microbiological
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