Table 1.

Sugar composition (g/L) of transglucosylation reactions catalysed by soluble Mr-αGlu and alginate-entrapped E. coli cells expressing the Mr-αGlu activity.

	Glc + Fru	Suc	Tre	Isom	Rest of Hetero-GlcOS	Total Hetero-GlcOS
Entrapped E. coli cells	217 ± 8.9	65 ± 1.6	95 ± 3.8	75 ± 1.1	48 ± 1	218 ± 6
Soluble Mr-αGlu	97 ± 2	146 ± 16	61 ± 2	173 ± 14	23 ± 1.2	256 ± 17

Glc: glucose; Fru: fructose; Suc: sucrose; Tre: trehalulose; Isom: isomelezitose; hetero-GlcOS: hetero-glucooligosaccharides. Reaction conditions: 500 g/L sucrose in 50 mM MOPS buffer pH 7.0 and 30 °C.