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AssigneeKabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo
InventorsMasayuki Nakano, Hiroto Chaen, Toshiyuki Sugimoto, Toshio Miyake
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Disclosed is a novel amylase which mainly forms maltohexaose and maltoheptaose when reacted with starch, but does not substantially hydrolyze maltohexaose and an oligosaccharide of lower molecular than maltohexaose. The amylase can be prepared from microorganisms of the genus Alcaligenes, and has a relatively-high optimum temperature and thermal stability, as well as a relatively-wide range of optimum pH and pH stability. By using the amylase, saccharide compositions rich in maltohexaose and/or maltoheptaose or those rich on maltohexaitol and/or maltoheptaitol can be readily prepared in an industrial scale, and the saccharide compositions thus obtained can be used in a variety of food products, cosmetics and pharmaceuticals.
A biologically pure culture of a microorganism, Alcaligenes latus D2271 (FERM BP-4578), which has been deposited in National Institute of Bioscience and Human-Technology Agency of Industrial Science and Technology, 1-3, Higashi, 1 chome, Tsukuba-shi, Ibaraki-ken 305, Japan, and is capable of forming a maltohexaose a maltoheptaose-forming amylase which has an activity of mainly forming maltohexaose and maltoheptaose from starch, but does not substantially have an activity of hydrolyzing maltohexaose and a lower molecular oligosaccharide than maltohexaose.
Dependencies are inferred from the claim text.