Enzymatic synthesis of fructooligosaccharides with high 1-kestose concentrations using response surface methodology

► An industrial commercial enzyme preparation was used as fructosyltransferase. ► Factors affecting the process can be optimized according to product specifications. ► 1-Kestose was the predominant component in the obtained fructooligosaccharide syrup. ► The reported process is inexpensive, simple and efficient.