{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Soares LS"],"funding":["CNPQ","FAPEMIG","CAPES"],"pagination":["1797-1807"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC8021676"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["58(5)"],"pubmed_abstract":["Chitosan (CH) is a biopolymer derived from chitin, which is the second most abundant polysaccharide in nature, after cellulose. Their functional groups -NH<sub>2</sub> and -OH can form intermolecular interactions with water and other molecules, enabling a variety of applications for CH. -NH<sub>2</sub> groups become protonated in acidic solutions, causing an increase in electrostatic repulsion between CH chains, which facilitates their dispersion in aqueous media. Aqueous solutions of acetic acid and/or acetates buffers have been used to disperse CH, but may not be adequate for technological applications, espeacially because of the strong flavor this acid confers to formulations. In this study, 0.125; 0.250; 0.500; 0.750 and 1.000 g (100 g)<sup>-1</sup> CH dispersions were prepared in acid"],"journal":["Journal of food science and technology"],"pubmed_title":["Aqueous solutions of glycolic, propionic, or lactic acid in substitution of acetic acid to prepare chitosan dispersions: a study based on rheological and physicochemical properties."],"pmcid":["PMC8021676"],"funding_grant_id":["PDJ 156047/2018-7","001"],"pubmed_authors":["Miliao GL","Soares LS","de Oliveira EB","Coimbra JSDR","Tonole B","Teixeira AVNC"],"additional_accession":[]},"is_claimable":false,"name":"Aqueous solutions of glycolic, propionic, or lactic acid in substitution of acetic acid to prepare chitosan dispersions: a study based on rheological and physicochemical properties.","description":"Chitosan (CH) is a biopolymer derived from chitin, which is the second most abundant polysaccharide in nature, after cellulose. Their functional groups -NH<sub>2</sub> and -OH can form intermolecular interactions with water and other molecules, enabling a variety of applications for CH. -NH<sub>2</sub> groups become protonated in acidic solutions, causing an increase in electrostatic repulsion between CH chains, which facilitates their dispersion in aqueous media. Aqueous solutions of acetic acid and/or acetates buffers have been used to disperse CH, but may not be adequate for technological applications, espeacially because of the strong flavor this acid confers to formulations. In this study, 0.125; 0.250; 0.500; 0.750 and 1.000 g (100 g)<sup>-1</sup> CH dispersions were prepared in acid","dates":{"release":"2021-01-01T00:00:00Z","publication":"2021 May","modification":"2025-04-04T10:15:50.202Z","creation":"2025-02-19T03:57:55.9Z"},"accession":"S-EPMC8021676","cross_references":{"pubmed":["33897016"],"doi":["10.1007/s13197-020-04691-0"]}}