Two commercial products, namely, a mixture of inulin and oligofructose (Orafti® P95, Beneo, Belgium) and granulated inulin powder (Orafti® GR, Beneo Belgium), were used as reference materials for checking accuracy, while inulin fortified milk powder (Protection 1+, Nestle®) was used as a laboratory quality control sample for checking precision in inulin analysis. These materials were analysed in each run along with the unknown samples. Results obtained were evaluated using the values of inulin in the reference materials and the assigned value of inulin in the quality control sample