Abstract

ESTIMATION OF SUGAR IN SOFT DRINKS

Aloh,G.S., Obeagu, Emmanuel Ifeanyi*,Odo Christian Emeka, Nka,John Sunday

ABSTRACT

The quality control and assurance studies on the available brands of soft drinks sold in different parts of Abakaliki, Ebonyi state, was carried out. The research was done to quantitatively determine the type and quantity of sugar present in each of these brands of soft drinks. Two different batch samples of each brands' selected at random shops located in different parts of the state were procured and their comprehensive documentation to show batch number, manufacturing dates, Expiry date and NAFDAC number. Preliminary quantitative investigation was done using alkaline copper is sulphate solution. The pH and densities were estimated by conventional methods, while the type of sugar present was determined by Knight and Alien EDTA methods. Results obtained showed that all the brands of soft drinks tested contained sucrose as the only sugar present and that the sugar level as well as the densities varied through the brands in the order. Pepsi>Coke>Gold Sport>Limca>Sprite>7up>Fanta>!Vliranda. The mean sugar concentration for a!! soft drinks in Ebonyi State was 32.4856mg. Though there were differences between the sugar values, it still falls within acceptable limit. The soft drinks were all acidic at room temperature.

Keywords: Soft drinks sold, room temperature, Knight and Alien EDTA methods.