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9012-76-4 Chitosan Oligochitosan
Chitin Chitosan is a linear polysaccharide composed of randomly distributed β-(1-4)-linked D-glucosamine (deacetylated unit) and N-acetyl-D-glucosamine (acetylated unit). It is made by treating shrimp and other crustacean shells with the alkali sodium hydroxide.
Chitin Chitosan has a number of commercial and possible biomedical uses. It can be used in agriculture as a seed treatment and biopesticide, helping plants to fight off fungal infections. In winemaking it can be used as a fining agent, also helping to prevent spoilage. In industry, it can be used in a self-healing polyurethane paint coating. In medicine, it may be useful in bandages to reduce bleeding and as an antibacterial agent; it can also be used to help deliver drugs through the skin.
More controversially, chitosan has been asserted to have use in limiting fat absorption, which would make it useful for dieting, but there is evidence against this.
Product Name: | Chitosan |
Synonyms: | POLY(BETA-(1,4)-2-AMINO-2-DEOXY-D-GLUCOSE);POLY(BETA-(1,4)-D-GLUCOSAMINE);POLY(D-GLUCOSAMINE);POLY-(1,4-BETA-D-GLUCOPYRANOSAMINE);POLY-[1->4]-BETA-D-GLUCOSAMINE;BETA-(1,4)-2-AMINO-2-DEOXY-D-GLUCOSE;DEACETYLATED CHITIN;CHITOSAN |
CAS: | 9012-76-4 |
MF: | (C6H11NO4)N |
MW: | 161.16 |
EINECS: | 222-311-2 |
Mol File: | 9012-76-4.mol |
A. Seed Treats
Chitosan can be used as treating agent on grains and vegetables, it can increase seedlings germination rate, enhance young seeds’ disease resistance, promote crop growth, increase crop yield.
Dissovle Chitosan in 1%~3% acetic acid solution, dilute to 0.5%~0.01% solution.Spread the solution on the surface of seed before sowing.
B. Enhance plant disease resistance
It is found that Chitosan has antifungal activity, its derivatives Chitosan oligosaccharide also has this effect.
C. Improve soil quality
Use Chitosan as additive, it can reduce harmful fungi and nematode effectively , enhance soil capacity of providing fertilizer, improve soil quality.
Chitosan: concentrated hydrochloric
acid(HCl):Water:20%KOH=10:44:824:122, make them as chitosan soil improvement. Dilute the solution 40 times when using (Chitosan concentration is 25mg/L),add them as 6kg/100sq.m.
to the soil.The output will increase 29% compared to controlled.
D. Keep fruit and vegetable fresh
As a natural fresh-keeping agent, it has good film formation and certain selective and infiltrating effect, reduce vapour loss, inhibit fruit from becoming putrid.
Treat strawberry and grapes etc fruits with 1%~2% chitosan solution ,can prolong 2 days of their storage date under normal temperature.
E. Increase fertilizer availability
Chitosan has such properties, viscous solution and easy film formation. Its strong film formation function can delay release of fertilizer element, reduce nutrients loss, increase fertilizer availability.
F. Kill Nematodes
Mix Chitosan with suitable carrier, it can be made into effective natural pesticide to prevent from nematodes
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