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- W432818426 abstract "[Objective] The purpose was to study the physiological activities of chitooligosaccharides produced by strain Arthrobacter sp.XW-02, which was obtained by crude chitosanase solution after chitosan degradation with the enzyme. [Method] The degree of polymerization was measured by terminal analysis. The antibacterical activity of chitooligosaccharides was tested by spectrophotometric method. And the effects to plant growth was studied with water culture method. [Result] When enzymatic hydrolysis time was 10, 20 and 30 minutes, the average degree of polymerization was 5.40, 2.66 and 1.70, and the average molecular weight of the chitooligosacchairdes was 870.16, 446.25 and 292.04, respectively. The chitooligosacchairdes inhibited certain bacteria and yeast to different extent, and didn't inhibit Pellicularia sasakii evidently. Antimicrobial activities were increased with chitooligosacchairdes concentration. The physiological functions of Arthrobacter sp.XW-02 fermented chitosan were also tested. The chitosanoligosaccharides in fermented chitosan could stimulate growth of Oryza sativa seedlings with low concentraion. [Conclusion] Chitooligosaccharides which produced by strain Arthrobacter sp. XW-02 could be further developed to be plant growth promoters and biological control agents." @default.
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- W432818426 date "2010-03-10" @default.
- W432818426 modified "2023-10-18" @default.
- W432818426 title "节杆菌Arthrobacter sP. XW-02酶解产物壳寡糖性质的研究" @default.
- W432818426 hasPublicationYear "2010" @default.
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