Abstract
Abstract The aim of the present work is to biosynthesize Chitosan nanoparticles (CTNp) using tea ( Camellia sinensis) extract, with potent antimicrobial properties towards phytopathogens of rice. Preliminary chemical analysis of the extract showed that they contain carbohydrate as major compound and uronic acid indicating the nature of acidic polysaccharide. The structure of the isolated polysaccharide was analyzed through FTIR and 1 H NMR. The CTNp was prepared by the addition of isolated tea polysaccharides to chitosan solution. The structure and size of the CTNp was determined through FTIR and DLS analyses. The surface morphology and size of the CTNp was analysed by SEM and HRTEM. The crystalinity nature of the synthesized nanoparticle was identified by XRD analysis. The CTNp exhibited the antimicrobial properties against the most devastating pathogens of rice viz., Pyricularia grisea, Xanthomonas oryzae under in vitro condition. CTNp also suppressed the blast and blight disease of rice under the detached leaf assay. These results suggest that the biosynthesized CTNp can be used to control the most devastating pathogens of rice.
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Claims 6
Claim · model-written summary
The tea extract contained carbohydrate as its major compound and uronic acid.
Verbatim
e0“Preliminary chemical analysis of the extract showed that they contain carbohydrate as major compound and uronic acid”
Claim · model-written summary
CTNp showed in vitro antimicrobial activity against Pyricularia grisea.
- Taxon
- rice
Oryza sativae0 - Interactor
- Pyricularia grisea
Pyricularia griseae0pathogen - Outcome
- antimicrobial propertiese0
- Setting
- in vitro conditione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The CTNp exhibited the antimicrobial properties against the most devastating pathogens of rice viz., Pyricularia grisea, Xanthomonas oryzae under in vitro condition”
Claim · model-written summary
CTNp showed in vitro antimicrobial activity against Xanthomonas oryzae.
- Taxon
- riceOryza sativae0
- Interactor
- Xanthomonas oryzaeXanthomonas oryzaee0pathogen
- Outcome
- antimicrobial propertiese0
- Setting
- in vitro conditione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The CTNp exhibited the antimicrobial properties against the most devastating pathogens of rice viz., Pyricularia grisea, Xanthomonas oryzae under in vitro condition”
Claim · model-written summary
CTNp suppressed rice blast in detached leaves.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“CTNp also suppressed the blast and blight disease of rice under the detached leaf assay”
Claim · model-written summary
CTNp suppressed rice blight in detached leaves.
- Taxon
- riceOryza sativae0
- Organ / stage
- leafe0
- Treatment
- CTNpe0
- Outcome
- blight diseasee0
- Direction
- suppressede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“CTNp also suppressed the blast and blight disease of rice under the detached leaf assay”
Claim · model-written summary
The authors propose CTNp to control rice pathogens.
- Taxon
- riceOryza sativae0
- Outcome
- control the most devastating pathogense0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“These results suggest that the biosynthesized CTNp can be used to control the most devastating pathogens of rice”
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