4PLAYNE M J, CRITYENDEN R G. Galacto-oligosaccharides and other products derived from Lactose [ J ]. Adv Dairy Chem,2009,3 ( 期号) : 121-201.
5AKIHIRO T, JIRO K, SATOKO O. Production of Lactosucrose by Bacil- lus natto Levansucrase and some proper ties of the enzyme [ J]. Nippon Shokuhin Kogyo Gakkaishi, 1991,38 (9) :789-796.
6YANASE H, IWATA M, NAKAHIGASHI R, et al. Purification, crys- tallization, andproperties of the extracellular levansucrase from Zy- momonas mobilis [ J ]. Biosci Biotech Biochem, 1992,56 ( 8 ) : 1335- 1337.
7PARK N H, CHOI H J, OH D K. Lactosucmse production by various microorganisms harboring levansucrase activity [ J ]. Biotechnol Lett, 2005,27 ( 7 ) :495-497.
8TANG L B, LENSTRA R, BORCHERT T V, et al. Isolation and char- acterization of levansucrase-encoding gene from Bacillus amyloliquefa- ciens [ J]. Gene, 1990,96( 1 ) :89-93.
9HETI'WER U, GROSS M, RUDOLPH K. Purification and characteriza- tion of an extracellular levansucrase from Pseudomonas syringae pv. Phaseolicola [ J]. J Bacteriol, 1995,177 (10) :2834-2839.
10OHTSUKA K, HINO S, FUKUSHIMA T, et al. Characterization of levansucrase from Rahnella aquatilis JCM-1683 [ J ]. Biosci Biotech Biochem, 1992,56 ( 9 ) : 1373 -1377.