多糖類分子鎖間および鎖内包接に関する研究-2-サリチル酸メチルの鎖間包接

概要

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It was found that methyl salicylate (MS) was included in the vacant spaces among molecular chains of polysaccharides. The inclusion complexes were white and odorless powder. The standard method for preparation of the complex was shown in Fig. 1. Some conditions for the preparation were investigated: selection of effective carrier solvent; concentration of MS in methanol, the most effective solvent (Fig. 2); temperature and period for pre-air-drying (Fig . 4); influence of moisture in methanol and polysaccharide (Fig.5); influence of ethanol in methanol (Fig. 6); kind of host polysaccharide (Table 1). The maximal amount of MS included was about 150 mg/g. MS was most effectively extracted with methanol from complex (Tables 2 and 3). The complex was very stable against dry-heating at 100° under reduced pressure, but the content of MS in complex was gradually decreased in damp atmosphere (Fig. 7).
日本応用糖質科学会の論文