NOVELTY – Obtaining chitosan based product involves preparing chitosan solution with stirring. Arrabidaea chica extract is mixed with chitosan solution by using an ultrasonic bath to obtain a crosslinking agent solution. The crosslinking agent solution is dialyzed and lyophilized and then dispersed in polymer solution. USE – Method for obtaining chitosan based product for preparing nanoparticle, hydrogel, sponge and film for healing wounds of skin, mucous ulcers and gastrointestinal tract ulcer caused by chemical or physical agents (all claimed).
A96 (Medical, dental, veterinary, cosmetic.); B07 (General – tablets, dispensers, catheters (excluding drainage and angioplasty), encapsulation etc, but not systems for administration of blood or saline or IV feeding etc.); B04 (Natural products and polymers. Including testing of body fluids (other than blood typing or cell counting), pharmaceuticals or veterinary compounds of unknown structure, testing of microorganisms for pathogenicity, testing of chemicals for mutagenicity or human toxicity and fermentative production of DNA or RNA. General compositions.)