Rosmarinic acid modified chitosan oligosaccharide as well as preparation method and application thereof

The invention discloses rosmarinic acid modified chitosan oligosaccharide as well as a preparation method and application thereof. Rosmarinic acid is utilized to modify natural chitosan oligosaccharide, the rosemary modified chitosan oligosaccharide (COS-RA) is prepared, and the compound has antioxi...

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Hauptverfasser: SHEN DINGYI, DUAN SONGPO, LI ZHIMING, SHEN HONG
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creator SHEN DINGYI
DUAN SONGPO
LI ZHIMING
SHEN HONG
description The invention discloses rosmarinic acid modified chitosan oligosaccharide as well as a preparation method and application thereof. Rosmarinic acid is utilized to modify natural chitosan oligosaccharide, the rosemary modified chitosan oligosaccharide (COS-RA) is prepared, and the compound has antioxidant activity far higher than that of the natural chitosan oligosaccharide, has a remarkable improvement effect on anthocyanin in fruits, and further promotes fruit coloring. After the water-soluble preparation prepared from the compound is sprayed to fruits, the total anthocyanin content of the fruits is increased by 40.2%-54.5%, and the content of various monomer anthocyanin is remarkably increased. Compared with natural chitosan oligosaccharide, the compound is better in effect, smaller in dosage, more uniform in coloring and higher in anthocyanin content accumulation during maturation in the application of promoting fruit coloring, and also has the characteristics of non-toxicity, easiness in biodegradation and
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subjects AGRICULTURE
ANIMAL HUSBANDRY
BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES
CHEMISTRY
COMPOSITIONS BASED THEREON
DERIVATIVES THEREOF
FISHING
FORESTRY
HUMAN NECESSITIES
HUNTING
METALLURGY
NUCLEIC ACIDS
NUCLEOSIDES
NUCLEOTIDES
ORGANIC CHEMISTRY
ORGANIC MACROMOLECULAR COMPOUNDS
PEST REPELLANTS OR ATTRACTANTS
PLANT GROWTH REGULATORS
POLYSACCHARIDES
PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF
SUGARS
THEIR PREPARATION OR CHEMICAL WORKING-UP
TRAPPING
title Rosmarinic acid modified chitosan oligosaccharide as well as preparation method and application thereof
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