Chitosan application on agriculture
Agricultural grade chitosan oligosaccharide powder
Agricultural grade chitosan oligosaccharide powder
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Structure-controllable COS
• We have developed a key technology by which COS with controllable structure can be prepared;
2
1.8
1.6
1.4
1.2
1
N-acetylglucosamine
Aminoglucose
COS 1.0 —— polymerization control is available at home and abroad
COS 2.0 —— no controlled polymerization and deacetylation at
home and abroad
COS 3.0 —— no controlled polymerization, controlled deacetylation
and controlled acetylation sites at home and abroad
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