Ridout M J, Cairns P, Brownsey G J, Morris V J
Department of Food Biophysics, Institute of Food Research, Norwich Research Park, Colney, Norwich, UK.
Carbohydr Res. 1998 Jul;309(4):375-9. doi: 10.1016/s0008-6215(98)00149-9.
Binary mixtures of deacetylated acetan and konjac mannan form thermoreversible gels under conditions for which the individual components do not gel. Such synergistic behaviour is normally attributed to intermolecular binding between the two polysaccharides. X-ray diffraction data obtained from oriented fibres prepared from deacetylated acetan-konjac mannan gels provides direct evidence for intermolecular binding between the two polysaccharides. The novel heterotypic junction zones appear to be six-fold helices with a pitch of 5.6 +/- 0.1 nm.
脱乙酰化乙酰甘露聚糖和魔芋甘露聚糖的二元混合物在其各自组分不会形成凝胶的条件下形成热可逆凝胶。这种协同行为通常归因于两种多糖之间的分子间结合。从脱乙酰化乙酰甘露聚糖 - 魔芋甘露聚糖凝胶制备的取向纤维获得的X射线衍射数据为两种多糖之间的分子间结合提供了直接证据。新型异型连接区似乎是螺距为5.6 +/- 0.1 nm的六重螺旋。
